A method for producing a steel sheet having a two-layer recrystallization structure includes: providing a cold-rolled steel sheet made of a steel with a carbon content of 10 to 1000 ppm, based on the weight, and a specified recrystallization temperature; applying a barrier layer which is at least partly impermeable to nitrogen onto a first face; and heating the steel sheet to a heating temperature. The heating is carried out at least temporarily in a nitrogenizing gas atmosphere at least until the recrystallization temperature is reached, whereby nitrogen from the gas atmosphere is diffused at least in a region near the surface on a second face of the steel sheet upon heating and is stored in the region, whereby the recrystallization temperature of the steel is raised in the region. The heating temperature is higher than or equal to the specified recrystallization temperature and lower than the raised recrystallization temperature.
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C23C 18/12 - Revêtement chimique par décomposition soit de composés liquides, soit de solutions des composés constituant le revêtement, ne laissant pas de produits de réaction du matériau de la surface dans le revêtementDépôt par contact par décomposition thermique caractérisée par le dépôt sur des matériaux inorganiques, autres que des matériaux métalliques
2.
METHOD FOR THE PRODUCTION OF A STEEL SHEET FOR PACKAGING WITH A MULTILAYER CRYSTALLISATION STRUCTURE AND STEEL SHEET WITH A MULTILAYER CRYSTALLISATION STRUCTURE
The invention relates to a method for producing a steel sheet with a multilayer crystallisation structure, and a steel sheet, in particular for packaging, with a thickness of preferably less than 0.5 mm and a carbon content, relative to the weight, of 10 to 1000 ppm, and a nitrogen content, averaged over the thickness of the steel sheet, of more than 50 ppm, as well as a multilayer crystallisation structure with a core region and a near-surface region surrounding the core region on both sides, wherein the near-surface region is at least substantially recrystallised and the core region is not or at least not entirely recrystallised.
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C21D 1/76 - Réglage de la composition de l'atmosphère
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C23C 8/50 - Nitruration de la couche superficielle de matériaux ferreux
3.
STEEL SHEET AND METHOD OF MANUFACTURING A STEEL SHEET FOR PACKAGING
A method for producing a steel sheet for packaging includes: cold-rolling a hot-rolled steel sheet made from a steel having a carbon content of 10 to 1000 ppm by weight, the steel of the hot-rolled steel sheet having a predetermined recrystallization temperature (TR); heating the cold-rolled steel sheet to a predetermined heating temperature (TE), where TR≤TE, the heating performed at least partially in the presence of a nitrogen donor at least until TR is reached such that when the cold-rolled steel sheet is heated, nitrogen from the nitrogen donor is diffused at least into a near-surface region of the cold-rolled sheet steel and incorporated in the near-surface region, as a result of which the TR in the near-surface region is increased by a value ΔT, where TE
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
4.
STEEL SHEET WITH A TWO-LAYER CRYSTALLIZATION STRUCTURE, AND METHOD FOR PRODUCING SUCH A STEEL SHEET
C21D 1/76 - Réglage de la composition de l'atmosphère
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C21D 9/56 - Fours continus pour bandes ou fils métalliques
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C25D 9/00 - Revêtement électrolytique autrement qu'avec des métaux
C25D 11/00 - Revêtement électrolytique par réaction de surface, c.-à-d. par formation de couches de conversion
C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
In a method for passivating the surface of a tinplate using electrolytic deposition of a passivation layer containing chromium oxide/chromium hydroxide on the surface, the electrolytic deposition of the passivation layer is carried out at least partly from an electrolyte solution which contains a trivalent chromium compound, at least one salt for increasing the conductivity and at least one acid or one base for adjusting a desired pH value and is free from organic complexing agents and free from buffering agents. In order to increase the amount of chromium oxide in the passivation layer, after the electrolytic deposition of the passivation layer, the passivated tinplate is subjected to a thermal treatment in which the passivated tinplate is kept at a treatment temperature of 100° C. or more for a treatment time of at least 0.5 seconds.
A cold rolled steel flat product for packaging made of a low carbon steel having a thickness of less than 0.49 mm and a method of making. The steel flat product has a martensite-free microstructure and represents a standard grade for packaging with tensile strengths from 300 to 550 MPa, which can be produced from a cold-rolled steel sheet with a carbon content from 0.01% to 0.1% by weight by inductive annealing of the steel sheet and subsequent water cooling for quenching the recrystallization-annealed steel sheet. To achieve flatness of 5 I-units or less, the induction annealed steel sheet is first primarily cooled in the manufacturing process to a take-off temperature at a rate of less than 1000 K/s, with the take-off temperature being below the transformation temperature of 723° C., and thereafter a secondary cooling by water cooling with a water temperature of less than 80° C. at a rate of more than 1000 K/s.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C21D 9/573 - Fours continus pour bandes ou fils métalliques avec refroidissement
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
7.
Sheet Metal Packaging Product with Textured Surface And Method of Producing Such a Sheet Metal Packaging Product
The invention relates to sheet metal packaging products, in particular tinplate or electrolytically chrome-plated sheet steel (ECCS), consisting of a sheet steel substrate (S) with a thickness in the region of 0.1 mm to 0.6 mm and a coating (B), in particular made of tin and/or chromium or chromium and chromium oxide, that is electrolytically deposited on at least one side of the sheet metal substrate. In addition, at least one surface of the sheet metal packaging product provided with the coating (B) has a surface profile with periodically repeating structure elements in at least one direction, wherein an autocorrelation function resulting from the surface profile has a plurality of side lobes with a height of at least 20%, preferably at least 30% of the height of the main lobe. These sheet metal packaging products have improved and novel surface properties.
C25D 5/00 - Dépôt électrochimique caractérisé par le procédéPrétraitement ou post-traitement des pièces
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 10/00 - Modification des propriétés physiques autrement que par traitement thermique ou déformation
B32B 15/01 - Produits stratifiés composés essentiellement de métal toutes les couches étant composées exclusivement de métal
C21D 6/00 - Traitement thermique des alliages ferreux
C25D 5/10 - Dépôt de plusieurs couches du même métal ou de métaux différents
C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
C25D 9/10 - Revêtement électrolytique autrement qu'avec des métaux avec des matières inorganiques par des procédés cathodiques sur le fer ou l'acier
C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 27/00 - CylindresLubrification, refroidissement ou chauffage des cylindres en cours d'utilisation
8.
STEEL SHEET AND METHOD FOR PRODUCING A STEEL SHEET FOR PACKAGING
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C23C 8/50 - Nitruration de la couche superficielle de matériaux ferreux
The invention relates to a flat steel product for packaging, comprising a cold-rolled steel sheet with a thickness (d) of less than 0.5 mm and with the following composition in relation to the weight: - C: more than 0.03 %, preferably more than 0.04 %, - Si: less than 0.10 %, - Mn: 0.10 to 0.60 % - P: less than 0.10 %, - S: less than 0.03 %, - Al: less than 0,05 %, preferably less than 0.018 %, - N: more than 0.014 %, preferably more than 0.015 %, - with the rest being iron and unavoidable impurities, wherein the sum of the carbon content (C) and the nitrogen content (N) in relation to the weight is at least 0.050 % and the flat steel product has a tensile strength (Rm) of at least 600 MPa and an Erichsen indentation depth, according to the thickness (d in mm), the carbon content (C in wt.%), the nitrogen content (N in wt.%) and the tensile strength (Rm in MPa) of the sheet steel, of ET ≥ 11.1 · (C + N) + 11.01 mm · d - 0.00864 · Rm + 7.524, wherein ET is the Erichsen indentation depth in mm. The flat steel product is characterised by high level of strength and by a high and isotropic forming capacity within the sheet plane of the flat steel product, and is therefore very well suited to the production of packaging.
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
A cold-rolled flat steel product for packaging materials has a thickness of less than 0.6 mm, which has been cold-rolled from steel along a rolling direction (0°) and which has an excellent isotropy with respect to its mechanical properties.
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
12.
SHEET METAL PACKAGING PRODUCT WITH A STRUCTURED SURFACE AND METHOD FOR PRODUCING A SHEET METAL PACKAGING PRODUCT OF THIS TYPE
The invention relates to sheet metal packaging products, in particular tinplate or electrolytically chrome-plated sheet steel (ECCS), consisting of a sheet steel substrate (S) with a thickness in the region of 0.1 mm to 0.6 mm and a coating (B), in particular made of tin and/or chromium or chromium and chromium oxide, that is electrolytically deposited on at least one side of the sheet metal substrate. In addition, at least one surface of the sheet metal packaging product provided with the coating (B) has a surface profile with periodically repeating structure elements in at least one direction, wherein an autocorrelation function resulting from the surface profile has a plurality of side lobes with a height of at least 20%, preferably at least 30% of the height of the main lobe. These sheet metal packaging products have improved and novel surface properties.
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 27/00 - CylindresLubrification, refroidissement ou chauffage des cylindres en cours d'utilisation
B21H 8/00 - Laminage du métal en longueurs indéfinies spécialement approprié à la fabrication en série d'objets particuliers
C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
C25D 5/00 - Dépôt électrochimique caractérisé par le procédéPrétraitement ou post-traitement des pièces
C25D 9/10 - Revêtement électrolytique autrement qu'avec des métaux avec des matières inorganiques par des procédés cathodiques sur le fer ou l'acier
13.
Method of producing a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound and electrolysis system for implementing the method
A method of producing a metal strip coated with a coating, said coating containing chromium metal and chromium oxide and being electrolytically deposited from an electrolyte solution that contains a trivalent chromium compound and at least one salt for increasing conductivity and at least one acid or one base for setting a desired pH value, onto the metal strip by bringing the metal strip into electrolytically effective contact with the electrolyte solution during an electrolysis time. The metal strip is successively passed at a predefined strip travel speed in a strip travel direction through a plurality of electrolysis tanks successively arranged in the strip travel direction. At least the first electrolysis tank, as viewed in the strip travel direction, or a front group of electrolysis tanks is filled with a first electrolyte solution and the last electrolysis tank, as viewed in the strip travel direction, or a rear group of electrolysis tanks is filled with a second electrolyte solution. The second electrolyte solution contains no additional components apart from the trivalent chromium compound as well as the at least one salt and the at least one acid or base and is especially free of organic complexing agents and free of buffering agents.
C25D 17/28 - Appareils pour le revêtement électrolytique de petits objets en vrac comportant des moyens pour déplacer les objets individuellement à travers l'appareillage pendant le traitement
14.
Method for the production of a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound
Method for the production of a metal strip coated with a coating of chromium and chromium oxide using an electrolyte solution with a trivalent chromium compound
A method for producing a metal strip coated with a coating that contains chromium metal and chromium oxide and is electrolytically deposited from an electrolyte solution that contains a trivalent chromium compound onto the metal strip by bringing the metal strip, which is connected as the cathode, into contact with the electrolyte solution. An efficient deposition of coating with a high proportion of chromium oxide is obtained by successively passing the metal strip through a plurality of electrolysis tanks. The electrolyte solution in at least the last electrolysis tank, as viewed in the strip travel direction, or in a rear group of electrolysis tanks has an average temperature of at most 40° C., and the electrolysis time, during which the metal strip is in electrolytically effective contact with the electrolyte solution in the last electrolysis tank or in the rear group of electrolysis tanks is less than 2.0 seconds.
C25D 3/06 - Dépôt électrochimiqueBains utilisés à partir de solutions de chrome à partir des solutions de chrome trivalent
C25D 17/28 - Appareils pour le revêtement électrolytique de petits objets en vrac comportant des moyens pour déplacer les objets individuellement à travers l'appareillage pendant le traitement
A nitrided packaging steel in the form of a flat steel product and method for producing a nitrided packaging steel with a carbon content of 10-1000 ppm and uncombined nitrogen, dissolved in the steel, of more than 100 ppm. The nitriding is performed in two stages: a first stage, in which a molten steel is nitrided to a nitrogen content of at most 160 ppm by introducing a nitrogen-containing gas and/or a nitrogen-containing solid into the molten steel, and a second stage, in which a flat steel product produced from the nitrided molten steel by cold rolling is treated with a nitrogen-containing gas in order to increase further the amount of uncombined nitrogen in the flat steel product.
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C23F 17/00 - Procédés à étapes multiples pour le traitement de surface de matériaux métalliques utilisant au moins un procédé couvert par la classe et au moins un procédé couvert soit par la sous-classe , soit par la sous-classe , soit par la classe
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Untreated and partly treated common metals and their alloys;
steel; carbon steel, coated steel, dip-coated steel,
chromium steel, galvanized steel, electro-galvanized steel,
pre-lacquered steel, colored steel, aluminium-coated steel;
sheets and plates of metal, surface-finished metal sheets,
galvanized metal sheets, tin-coated and lacquered metal
sheets, tinplate, chromium-coated thin metal sheets and
black plates, steel sheets, including lacquered and
plastic-coated steel sheets; cold-rolled thin metal sheet
and cold strip; metal sheets and plates made of common
metals and their alloys, in particular drawn metal sheet
stamped metal sheet, sheet steel, warted plate, corrugated
sheet metal, galvanized metal sheet and zinc sheets,
grid-perforated metal sheet, screen plate, checker plate
(diamond pattern), metal sheet piling; sheet iron and iron
bands, tin-coated and lacquered sheets, bands, foils, and
coils; composite metal sheets and multilayer metal sheets;
steel, in particular, packaging steel, in strip shape and in
the form of reels; surface-finished metal strips, in
particular coated steel sheets and bands/strips; steel and
coated steel sheets for metal packaging and cans; metal
plates, strips, bows, steel plates, strips, bows;
cold-rolled metal strips; galvanized metal strips; steel
coated with aluminium and/or silicon alloy; aluminium
alloys; electrolytic chromium-coated steel; steel coated
with chromium oxide; packaging foils made of metal;
packaging made of metal sheet, in particular, tinplate and
coated steel sheets; sheet metal packaging, packaging made
of coated steel sheet, in particular, tinplate; packaging
materials made of metal, in particular, beverage and food
cans; containers and container closures made of metal; cans
(metal containers), metallic cans; can lids and can closures
made of metal; parts of cans made of metal; metal bottles;
bottle caps made of metal; metal pipes and tubes. Cutting, profiling, rolling of metal; coating and profiling
metal strips and sheets; processing of steel, common metals
and their alloys; metalworking and mechanical,
thermomechanical or chemical remodeling of all types related
to the properties and characteristic values of metals,
including direct iron reduction, tempering metals, surface
treatment of metals, brazing, casting, anodizing,
chrome-plating, sintering, electrogalvanizing, phosphating,
crushing, shaping, tin plating, galvanic zinc plating,
nickel plating, rolling, armor plating, polishing,
magnetizing, plating, deep-drawing, de-scaling and welding;
recycling of metal products; material processing during
production processes of metal products, such as forging,
pressing, deburring, metal-cutting rolling and forming of
metals; vacuum treatment; nitriding (material processing);
assembling of metal profiles (for third parties).
18.
Steel sheet for cans and manufacturing method thereof
A can steel plate includes: equal or less than 0.0030% by mass of C; equal or less than 0.02% by mass of Si; 0.05-0.60% by mass of Mn; equal or less than 0.020% by mass of P; equal or less than 0.020% by mass of S; 0.010% to 0.100% by mass of Al; 0.0010-0.0050% by mass of N; 0.001-0.050% by mass of Nb; and balance Fe and impurities. Intensity of (111) [1-21] orientation (where −2 represents 2 with bar in Miller indices) and intensity of (111)[1-10] orientation (where −1 represents 1 with bar in Miller indices) satisfy the following equation (1), and in a rolling direction and 90° direction from the rolling direction in a horizontal plane, tensile strength TS (MPa) and fracture elongation El (%) satisfy relations of the following equations (2) and (3). (Intensity of (111) [1-21] orientation)/(Intensity of (111) [1-10] orientation)>0.9 . . . (1), TS>550 . . . (2), El>−0.02×TS+17.5 . . . (3).
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
B22D 11/00 - Coulée continue des métaux, c.-à-d. en longueur indéfinie
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C23G 1/02 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus avec des solutions acides
19.
Method of removing a coating of organic material adhering to the surface of tin-plated sheet steel
A method of removing a coating made of an organic material, in particular an organic lacquer or a polymer coating, which adheres to the surface of tin-plated sheet steel. In a first step, the tin layer of the tin-plated sheet steel is completely or incipiently melted by exposure to electromagnetic radiation with a predefined wavelength, to which the organic coating is at least primarily transparent, with the organic coating becoming detached from tin layer, and in a second step, the organic material of the coating which detached from the tin layer is removed.
B23K 26/354 - Travail par rayon laser, p. ex. soudage, découpage ou perçage pour le traitement de surface par fusion
B23K 26/402 - Enlèvement de matière en tenant compte des propriétés du matériau à enlever en faisant intervenir des matériaux non métalliques, p. ex. des isolants
B08B 7/00 - Nettoyage par des procédés non prévus dans une seule autre sous-classe ou un seul groupe de la présente sous-classe
C23G 5/00 - Nettoyage ou dégraissage des matériaux métalliques par d'autres méthodesAppareils pour le nettoyage ou le dégraissage de matériaux métalliques au moyen de solvants organiques
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
06 - Métaux communs et minerais; objets en métal
Produits et services
[ Metal treatment, namely, cutting, profiling, rolling of metal; coating and profiling metal strips and sheets; processing of steel, common metals and their alloys; metalworking and mechanical, thermomechanical or chemical remodeling of all types related to the properties and characteristic values of metals, including direct iron reduction, tempering metals, surface treatment of metals, brazing, casting, anodizing, chrome-plating, sintering, electrogalvanizing, phosphating, crushing, shaping, tin plating, galvanic zinc plating, nickel plating, rolling, armor plating, polishing, magnetizing, plating, deep-drawing, de-scaling and welding; recycling of metal products; material processing of metal products, such as forging, pressing, deburring, metal-cutting, rolling and forming of metals; vacuum treatment; nitriding; assembling of metal profiles ] Untreated and partly treated common metals and their alloys; steel; [ carbon steel, ] coated steel, [ dip-coated steel, ] chromium steel, [ galvanized steel, electro-galvanized steel, ] pre-lacquered steel, [ colored steel, aluminum-coated steel; ] sheets and plates of metal, surface-finished metal sheets, [ galvanized metal sheets, ] tin-coated and lacquered metal sheets, tinplate, chromium-coated thin metal sheets and black plates, steel sheets, including lacquered [ and plastic-coated ] steel sheets; [ cold-rolled thin metal sheet and cold strip; metal sheets and plates made of common metals and their alloys, in particular drawn metal sheet stamped metal sheet, ] sheet steel [ , warted metal plate, corrugated sheet metal, galvanized metal sheet and zinc sheets, grid-perforated metal sheet, screen metal plate, checker metal plate, metal sheet piling ] ; [ sheet iron and iron bands, ] tin-coated and lacquered sheets, bands, foils, and coils; composite metal sheets and multilayer metal sheets; steel, in particular, packaging steel, in strip shape and in the form of reels; surface-finished metal strips, in particular coated steel sheets and bands/strips; steel and coated steel sheets for metal packaging and cans; metal plates, metal strips, [ metal bows, ] steel plates; [ cold-rolled metal strips; galvanized metal strips; steel coated with aluminum and/or silicon alloy; aluminum alloys; ] electrolytic chromium-coated steel; [ steel coated with chromium oxide; ] packaging foils made of metal; packaging made of metal sheet, in particular, tinplate and coated steel sheets; sheet metal packaging, packaging made of coated steel sheet, in particular, tinplate [ ; packaging materials made of metal, in particular, beverage and food cans; containers and container closures made of metal; containers, namely, metallic cans; metallic cans; can lids and can closures made of metal; parts of cans made of metal; metal bottles; bottle caps made of metal; metal pipes and tubes ]
The invention relates to replaceable inner linings, in particular linings of motor vehicle interiors. The component according to the invention can be replaced by hand easily and without destruction and can be configured individually in a versatile manner. The component according to the invention comprises a metal sheet facing the interior and back-molded with a plastic and connecting elements integrated into the component, wherein the connecting elements are shaped in such a way that the connection between the component and the part receiving the component can be produced easily by hand and also detached again without destruction and easily by hand.
B60R 13/02 - Moulures décorativesGouttièresGarnitures des paroisPavillons ou garnitures des toits
B62D 65/14 - Assemblage de sous-ensembles ou de composants avec la caisse ou entre eux, ou positionnement de sous-ensembles ou de composants par rapport à la caisse ou à d'autres sous-ensembles ou d'autres composants les sous-ensembles ou composants étant des accessoires des compartiments pour passagers, p. ex. des sièges, des garnitures, un décor, des tableaux de bord
The invention relates to a method for producing a nitrided packaging steel from a hot-rolled steel product with a carbon content of 400 to 1200 ppm, characterized by a cold-rolling of the steel product to a flat steel product, subsequent recrystallization annealing of the cold-rolled flat steel product in an annealing furnace, in particular a continuous annealing furnace, wherein a nitrogen-containing gas is supplied into the annealing furnace and is directed at the flat steel product in order to introduce unbonded nitrogen into the flat steel product in an amount corresponding to a concentration of more than 100 ppm, or to increase the amount of unbonded nitrogen in the flat steel product to a concentration of more than 100 ppm, and subsequent cooling of the recrystallized annealed flat steel product at a cooling rate of at least 100 K/s directly after the recrystallization annealing. Using this method, cold-rolled flat steel products may be produced for packaging purposes with a tensile strength of more than 650 MPa and in particular between 700 and 850 MPa.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
The invention relates to a method for producing a nitrided packaging steel with a carbon content of 10 to 1000 ppm and an amount of uncombined nitrogen, dissolved in the steel, of more than 100 ppm, wherein the nitriding is performed in two stages, to be specific a first stage, in which a molten steel is nitrided to a nitrogen content of at most 160 ppm by introducing a nitrogen-containing gas and/or a nitrogen-containing solid into the molten steel, and a second stage, in which a flat steel product produced from the nitrided molten steel by cold rolling is treated with a nitrogen-containing gas in order to increase further the amount of uncombined nitrogen in the flat steel product. The second nitriding stage is in this case performed in an annealing furnace, in which the flat steel product is at the same time annealed in a recrystallizing manner. The packaging steels produced by this method are distinguished by great strength, in excess of 600 MPa, and good elongation to fracture, regularly in excess of 5%, as well as by good forming properties. The invention also relates to a nitrided packaging steel in the form of a flat steel product.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
24.
Method for producing a corrosion-resistant steel sheet
A method for producing a corrosion-resistant steel sheet made of an unalloyed or low-alloy and cold-rolled steel having a carbon content of less than 0.1 wt %. The method includes the following steps: applying a metal coating to the steel sheet; annealing the coated steel sheet in a recrystallizing manner by heating the coated steel sheet to temperatures in the recrystallization range by electromagnetic induction in an inert-gas atmosphere; and quenching the coated and annealed steel sheet. The metal coating is fused on during the recrystallization annealing.
C21D 1/74 - Procédés de traitement en gaz neutre, en atmosphère contrôlée, sous vide ou dans des matières pulvérulentes
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
C23F 17/00 - Procédés à étapes multiples pour le traitement de surface de matériaux métalliques utilisant au moins un procédé couvert par la classe et au moins un procédé couvert soit par la sous-classe , soit par la sous-classe , soit par la classe
C25D 3/30 - Dépôt électrochimiqueBains utilisés à partir de solutions d'étain
C25D 7/00 - Dépôt électrochimique caractérisé par l'objet à revêtir
C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/60 - Fours continus pour bandes ou fils métalliques avec chauffage par induction
25.
STEEL SHEET FOR CANS AND MANUFACTURING METHOD THEREOF
This steel sheet for cans contains, in mass%, C: 0.0030% or less, Si: 0.02% or less, Mn: 0.05%-0.60%, P: 0.020% or less, S: 0.020% or less, Al: 0.010%-0.100%, N: 0.0010%-0.0050% and Nb: 0.001%-0.050%, the remainder being Fe and unavoidable impurities. It holds that (integrated intensity of (111)[1-21] orientation)/(integrated intensity of (111)[1-10] orientation) ≧ 0.9, and in the rolling direction and the direction 90° from the rolling direction in the horizontal plane, it holds that the tensile strength TS ≧ 550 and the elongation at break E1 > -0.02×TS+17.5.
The present invention relates to a nozzle device for treating a flat steel product. Said nozzle device comprises an outer tube and an inner tube arranged inside said outer tube, the inner tube having a primary opening for feeding a gas flowing through the nozzle device to an outer tube, and the outer tube having a secondary opening for the gas to exit from the nozzle device in the direction of the flat steel product, the primary opening and the secondary opening being arranged offset to one another along a circumferential direction.
The invention relates to the use of a steel sheet provided with a protective layer for producing a ring-pull top or a can having a ring-pull top, where the steel sheet is made of an unalloyed or low-alloy steel having a carbon content of less than 0.1% by weight, and also an associated process. The problem proceeding from known steel sheets having a protective layer, namely to provide a steel sheet by means of which ring-pull tops which for a constant residual wall thickness of the notch line have a lower tear-off force can be produced by means of the ring-pull top, is solved by the steel sheet being recrystallizingly heat treated at a heating rate of more than 75 K/s and after the recrystallizing heat treatment cooled at a cooling rate of at least 100 K/s and then coated with the protective layer.
B21D 51/38 - Fabrication des dispositifs pour remplir ou vider les boîtes de conserve, bidons, cuvettes, bouteilles ou autres récipientsFabrication des fonds des boîtes de conserveFabrication des dispositifs de fermeture
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
B65D 17/00 - Réceptacles rigides ou semi-rigides spécialement conçus pour être ouverts par coupage ou perçage, ou en perçant ou en déchirant des éléments ou des parties frangibles
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C21D 6/00 - Traitement thermique des alliages ferreux
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
C22C 38/20 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cuivre
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
B21D 51/44 - Fabrication des fermetures, p. ex. des capsules
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
Sheets and plates of metal, surface-finished sheets and plates of metal, galvanised sheets and plates of metal, tinplate, chromium-plated thin sheet and black plate, steel sheets, including painted and plastic-coated steel sheets; Steel in the form of strips and reels; Surface-finished sheets, plates and strips of metal, in particular coated steel sheets and strips; Steel and coated steel sheets for metal packaging and boxes; Packaging of sheet metal, in particular tinplate and coated steel sheets; Sheet metal packaging, packaging consisting of coated steel sheets, in particular tinplate; Packaging materials of metal, in particular drinks cans and tin cans; Packaging containers of metal; Metallic capsules [containers], Tin cans; Box lids and closures of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Pipes and tubes of metal; Safes.
29.
METHOD FOR PRETREATING A CAN BODY MADE OF A SHEET METAL
The invention relates to a method for pretreating a can body (1) made of a sheet metal to form a can before being filled with a predetermined filling material, said can body (1) comprising a can base (2) having an inwardly curving dome (3) and a circumferential standing edge (4) on the outer side of the can base (2). According to the invention, in order to prevent a subsequent deformation of the can base after the can is filled with a carbonated filling material, before filling, a pressure force is applied to the can base (2) in a direction from inside the can body (1) towards the outside, wherein the strength of the pressure force is selected such that the can base (2) freely deforms, in particular in the region of the standing edge (4).
B21D 51/26 - Fabrication d'objets creux caractérisés par l'usage de l'objet de boîtes de conserve ou bidonsFermeture des boîtes de conserve ou des bidons de façon définitive
30.
REFLECTOR FOR SOLAR THERMAL SYSTEMS, AND METHOD FOR PRODUCING SUCH A REFLECTOR
The invention relates to a reflector for solar thermal systems, comprising a sheet metal support (5) and a reflective coating (6) which is applied onto the sheet metal support and which is made of at least one reflective metal layer (6.2) and at least one protective layer (6.3) applied onto the reflective layer. The invention additionally relates to a method for producing a reflector for solar thermal systems. The reflector according to the invention for solar thermal systems has a high reflectivity, is robust against mechanical loads, and can additionally be produced in an inexpensive manner. Furthermore, the reflector according to the invention is as lightweight as possible and simultaneously dimensionally stable in that the sheet metal support (5) is made of a sandwich sheet which has an upper and a lower sheet metal cover (5.1, 5.3) and at least one non-metal intermediate layer (5.2) arranged between the upper and lower sheet metal cover. The upper sheet metal cover (5.1) has a smoothed surface (7) onto which the reflective layer (6.2) is applied, and the smoothed surface (7) has an arithmetic average roughness value Ra of less than 0.03 μm prior to applying the reflective layer (6.2).
Method for treating a steel band or plate provided with a metal coating with an after-treatment agent, and a steel band or plate provided with a metal coating
The invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent, which contains at least one polyalkylene glycol and is applied as a liquid solution to the surface of the metal coating. According to the invention, in order to achieve improved wetting and adhesion of the covering and at the same time the lowest possible coefficient of friction of the coated surface and in order to ensure good workability of the coated steel band or plate, the after-treatment agent contains a fluorescent antioxidant in addition to the polyalkylene glycol. The invention further relates to a steel band or steel plate provided with a metal coating, particularly a tin plate, which, on the surface of the metal coating, has a thin coat of an after-treatment agent which contains polyalkylene glycol and a fluorescent antioxidant.
C09K 11/06 - Substances luminescentes, p. ex. électroluminescentes, chimiluminescentes contenant des substances organiques luminescentes
B05D 5/06 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir des effets multicolores ou d'autres effets optiques
Sheets and plates of metal, Surface-finished sheets and plates of metal, galvanised sheets and plates of metal, Tin, Thin and ultra-thin chromium-plated sheet metal; Surface-finished sheets, plates and bands of metal, in particular coated sheets, plates and bands of metal; Tinplate packings; Packaging materials of metal, in particular drinks cans and tin cans; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Pipes and tubes of metal; Safes.
The invention relates to a method for producing packaging steel consisting of a cold-rolled steel sheet made of unalloyed or low-alloy steel having a carbon content of less than 0.1%. In order to provide high-strength packaging steel that has good formability and high corrosion resistance and can be produced in as energy-saving a manner as possible, the steel sheet according to the invention is first coated with a metallic coating and then annealed in a recrystallizing manner at a heating rate of more than 75 K/s and preferably more than 100 K/s to temperatures of more than 700° C., such that the metallic coating melts. The coated and annealed steel sheet is then quenched to normal temperature at a cooling rate of at least 100 K/s.
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C23F 17/00 - Procédés à étapes multiples pour le traitement de surface de matériaux métalliques utilisant au moins un procédé couvert par la classe et au moins un procédé couvert soit par la sous-classe , soit par la sous-classe , soit par la classe
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/20 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cuivre
C22C 38/22 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du molybdène ou du tungstène
C22C 38/24 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du vanadium
C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C22C 38/32 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du bore
B65D 1/12 - Boîtes de conserves, barils, tonneaux ou fûts
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/48 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du niobium ou du tantale
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
34.
METHOD FOR PRODUCING A COLD-ROLLED FLAT STEEL PRODUCT FOR DEEP-DRAWING AND IRONING APPLICATIONS, FLAT STEEL PRODUCT AND USE OF SUCH A FLAT STEEL PRODUCT
The invention relates to a method for the operationally reliable production of a cold-rolled flat steel product ≤ 0.5 mm thick for deep-drawing and ironing applications. According to said method, a steel melt, containing (in percent by weight) up to 0.008% C, up to 0.005% Al, up to 0.043% Si, 0.15-0.5% Mn, up to 0.02% P, up to 0.03% S, up to 0.020% N and optionally up to 0.03% Ti and optionally up to 0.03% Nb, and iron and unavoidable impurities as the remainder, is subjected, forgoing a Ca treatment, to a secondary metallurgical treatment, which comprises, in addition to a vacuum treatment, a crucible furnace treatment and during which the steel melt to be treated is kept under a slag, the Mn and Fe content of which is less than 15% by weight in total. From the steel melt, a thin slab or a cast strip is produced, which is then hot-rolled to form a hot-rolled strip having a thickness of < 2.5 mm and then wound to from a coil. Then the hot-rolled strips are cold-rolled to form a flat steel product up to 0.5 mm thick. The invention further relates to a correspondingly produced flat steel product and to uses of such a flat steel product.
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
B21B 1/46 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer du métal immédiatement après la coulée continue
35.
METHOD FOR PRODUCING A CORROSION-RESISTANT STEEL SHEET
The invention relates to a method for producing a corrosion-resistant steel sheet made of an unalloyed or low-alloy and cold-rolled steel having a carbon content of less than 0.1, comprising the following steps: applying a metal coating to the steel sheet, annealing the coated steel sheet in a recrystallizing manner by heating the coated steel sheet to temperatures in the recrystallization range by means of electromagnetic induction in an inert-gas atmosphere, wherein the metal coating is fused on during the recrystallization annealing, quenching the coated and annealed steel sheet.
C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/52 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour fils métalliquesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour bandes métalliques
C21D 9/60 - Fours continus pour bandes ou fils métalliques avec chauffage par induction
36.
METHOD FOR PRODUCING GALVANIZED FINE OR ULTRAFINE SHEET METAL WITH HIGH CORROSION RESISTANCE
The invention relates to a method for producing galvanized fine or ultrafine sheet metal with high corrosion resistance made of a hot-rolled steel strip, involving the following steps: - galvanically coating the steel strip (1) with zinc, - temper rolling the zinc-coated surface of the steel strip (1), - applying a polymer coating or an organic lacquer to the zinc-coated surface of the steel strip (1) on one or both sides. The invention further relates to a device for performing the method, comprising a transport device (7) for continuously transporting an endless steel strip (1), a cold rolling device (6) for cold-rolling the transported steel strip (1) to a thickness of less than 1mm, a coating device (11) for galvanically coating the steel strip (1) with zinc, a rolling device (5) with temper rollers (5a) for tempering the galvanized surface of the steel strip (1), a heating device (4) for heating the steel strip (1), and a plastic coating device (8) for applying a polymer coating or an organic lacquer onto the zinc-coated surface of the steel strip (1) on one or both sides.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
C25D 5/48 - Post-traitement des surfaces revêtues de métaux par voie électrolytique
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
37.
Method for enhancing corrosion resistance of a metallic coating on a steel strip or plate
C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
B05D 3/06 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par exposition à des rayonnements
C23C 26/00 - Revêtements non prévus par les groupes
C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
38.
METHOD FOR TREATING A STEEL BAND OR PLATE PROVIDED WITH A METAL COATING WITH AN AFTER-TREATMENT AGENT, AND A STEEL BAND OR PLATE COMPRISING A METAL COATING
The invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent, which contains at least one polyalkylene glycol and is applied as a liquid solution to the surface of the metal coating. According to the invention, in order to achieve improved wetting and adhesion of the covering and at the same time the lowest possible coefficient of friction of the coated surface and in order to ensure good workability of the coated steel band or plate, the after-treatment agent contains a fluorescent antioxidant in addition to the polyalkylene glycol. The invention further relates to a steel band or steel plate provided with a metal coating, particularly a tin plate, which, on the surface of the metal coating, has a thin coat of an after-treatment agent which contains polyalkylene glycol and a fluorescent antioxidant.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
C10M 173/02 - Compositions lubrifiantes contenant plus de 10% d'eau ne contenant pas d'huiles minérales ou grasses
39.
METHOD FOR IMPROVING A METAL COATING ON A STEEL STRIP
The invention relates to a method for improving a metal coating on a steel strip (1) or a steel sheet or plate, wherein the coating is melted to a maximum temperature (PMT) above the melting temperature (TS) of the material of the coating by inductive heating performed by means of at least one induction coil (2) and subsequently cooled to a quenching temperature (TA), lying below the melting temperature, in a cooling device (3). In order to improve the corrosion stability of the coating treated according to the invention, even in the case of thin coating layers, it is provided according to the invention that the coating is kept at a temperature above the melting temperature (TS) during a holding time (th) and that the holding time (th) is adapted to the maximum temperature (PMT) and the thickness of the coating by moving at least one of the induction coils (2) with respect to the cooling device (3), in order to melt the coating completely over its entire thickness to the boundary layer with the steel strip.
The invention relates to a method for passivating the surface of a tinned steel strip which is moved through a coating system at a strip speed of at least 200 m/min. After the steel strip is tinned, the surface is anodically oxidized, and a liquid solution of a chromium-free aftertreatment agent is applied onto the oxide layer. The invention further relates to a tinned steel strip or sheet with a support layer made of a fine or ultrafine sheet of steel, a tin layer which is deposited thereon, and a surface layer of a chromium-free aftertreatment agent. An oxide layer is formed between the tin layer and the surface layer of the aftertreatment agent, said oxide layer substantially consisting of tetravalent tin oxide (SnO2).
The invention relates to the use of a steel sheet provided with a protective layer for producing a ring-pull top or a can having a ring-pull top, where the steel sheet is made of an unalloyed or low-alloy steel having a carbon content of less than 0.1% by weight, and also an associated process. The problem proceeding from known steel sheets having a protective layer, namely to provide a steel sheet by means of which ring-pull tops which for a constant residual wall thickness of the notch line have a lower tear-off force can be produced by means of the ring-pull top, is solved by the steel sheet being recrystallizingly heat treated at a heating rate of more than 75 K/s and after the recrystallizing heat treatment cooled at a cooling rate of at least 100 K/s and then coated with the protective layer.
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
B21D 51/38 - Fabrication des dispositifs pour remplir ou vider les boîtes de conserve, bidons, cuvettes, bouteilles ou autres récipientsFabrication des fonds des boîtes de conserveFabrication des dispositifs de fermeture
The invention relates to sheet steel for use as packaging steel, made of a non-alloy or low-alloy and cold-rolled steel having a carbon content of less than 0.1%. According to the invention, in order to use such sheet steel for packaging steel that has good formability and can be produced in a cost-effective way, the sheet steel contains less than 0.4 wt% of manganese, less than 0.04 wt% of silicium, less than 0.1 wt% of aluminum, and less than 0.1 wt% of chromium and is provided with a multi-phase structure, comprising ferrite and at least one of the structure constituents martensite, bainite, and/or residual austenite. The invention further relates to a method for producing such packaging steel from cold-rolled sheet steel.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
The invention relates to a method for producing packaging steel consisting of a cold-rolled steel sheet made of unalloyed or low-alloy steel having a carbon content of less than 0.1%. In order to provide high-strength packaging steel that has good formability and high corrosion resistance and can be produced in as energy-saving a manner as possible, the steel sheet according to the invention is first coated with a metallic coating and then annealed in a recrystallising manner at a heating rate of more than 75 K/s and preferably more than 100 K/s to temperatures of more than 700°C, such that the metallic coating melts. The coated and annealed steel sheet is then quenched to normal temperature at a cooling rate of at least 100 K/s.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
The invention relates to a method for enhancing a metallic coating on a steel strip or steel plate, the coating being melted by heating to a temperature above the melting temperature of the material of the coating, the heating taking place by irradiation of the surface of the coating with electromagnetic radiation having a high power density over a limited irradiation time of not more than 10 µs, and the mandated irradiation time and the energy density introduced into the coating by the electromagnetic radiation being selected such that the coating melts completely over its entire thickness down to the boundary layer with the steel strip, thereby forming a thin alloy layer at the boundary layer between the coating and the steel strip. The invention further relates to a steel strip or steel plate having a metallic coating, more particularly a coating of tin, zinc or nickel, in which, at the boundary layer between the steel and the coating, an alloy layer which is thin - compared with the thickness of the coating - and at the same time is dense, and is composed of iron atoms and atoms of the coating material, is formed, the thickness of the alloy layer corresponding to an alloy-layer add-on of less than 0.3 g/m2.
C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
C23C 24/10 - Revêtement à partir de poudres inorganiques en utilisant la chaleur ou une pression et la chaleur avec formation d'une phase liquide intermédiaire dans la couche
Common metal and their alloys; metallic construction materials; transportable buildings of metal; materials of metal for railway tracks; non electric cables and wires of common metal; ironmongery, small items of metal hardware; metal tubes and pipes; safes; metallic sheet; surface-refined sheets and plates of metal, galvanised sheets and plates of metal, tin sheets and plates; sheet metal packagings; goods of common metal included in class 6.
46.
METHOD FOR PRODUCING GALVANIZED FINE OR ULTRAFINE SHEET METAL WITH HIGH CORROSION RESISTANCE
The invention relates to a method for producing galvanized fine or ultrafine sheet metal with high corrosion resistance made of a hot-rolled steel strip, involving the following steps: - galvanically coating the steel strip (1) with zinc, - temper rolling the zinccoated surface of the steel strip (1), - applying a polymer coating or an organic lacquer to the zinc-coated surface of the steel strip (1) on one or both sides. The invention further relates to a device for performing the method, comprising a transport device (7) for continuously transporting an endless steel strip (1), a cold rolling device (6) for cold-rolling the transported steel strip (1) to a thickness of less than 1 mm, a coating device (11) for galvanically coating the steel strip (1) with zinc, a rolling device (5) with temper rollers (5a) for tempering the galvanized surface of the steel strip (1), a heating device (4) for heating the steel strip (1), and a plastic coating device (8) for applying a polymer coating or an organic lacquer onto the zinc-coated surface of the steel strip (1) on one or both sides.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C25D 5/48 - Post-traitement des surfaces revêtues de métaux par voie électrolytique
47.
METHOD FOR PASSIVATION OF THE SURFACE OF BLACKPLATE OR TINPLATE AND ELECTROLYSIS SYSTEM FOR PERFORMANCE OF THE METHOD
The invention concerns a method for passivation of the surface of blackplate or tinplate by electrolytic deposition of a chromium oxide-containing passivation layer on the surface, wherein the electrolytic deposition of the chromium-containing passivation layer occurs from an electrolyte solution (E) that contains a trivalent chromium compound as well as at least one salt to increase the conductivity and at least one acid or a base to adjust a desired pH value, wherein the electrolyte solution (E) contains no additional components apart from the trivalent chromium compound as well as the at least one salt and the at least one acid or base and is especially free of organic complexing agents and free of buffering agents.
C25D 3/06 - Dépôt électrochimiqueBains utilisés à partir de solutions de chrome à partir des solutions de chrome trivalent
48.
METHOD OF PRODUCING A METAL STRIP COATED WITH A COATING OF CHROMIUM AND CHROMIUM OXIDE USING AN ELECTROLYTE SOLUTION WITH A TRIVALENT CHROMIUM COMPOUND AND ELECTROLYSIS SYSTEM FORIMPLEMENTING THE METHOD
The present invention relates to a method of producing a metal strip (M) coated with a coating (B), said coating (B) containing chromium metal and chromium oxide and being electrolytically deposited from an electrolyte solution that contains a trivalent chromium compound and at least one salt for increasing conductivity and at least one acid or one base for setting a desired pH value, onto the metal strip (M) by bringing the metal strip (M) into electrolytically effective contact with the electrolyte solution (E) during an electrolysis time, wherein the metal strip (M) is successively passed at a predefined strip travel speed (v) in a strip travel direction through a plurality of electrolysis tanks (1a, 1b, 1c; 1a to 1h) successively arranged in the strip travel direction, wherein at least the first electrolysis tank (1c; 1h), as viewed in the strip travel direction, or a front group of electrolysis tanks (1a, 1b) is filled with a first electrolyte solution (E1) and wherein the last electrolysis tank (1c; 1h), as viewed in the strip travel direction, or a rear group of electrolysis tanks (1g, 1h) is filled with a second electrolyte solution (E2), wherein the second electrolyte solution (E2) contains no additional components apart from the trivalent chromium compound as well as the at least one salt and the at least one acid or base and is especially free of organic complexing agents and free of buffering agents.
C25D 5/14 - Dépôt de plusieurs couches du même métal ou de métaux différents au moins une couche étant du nickel ou du chrome plusieurs couches étant du nickel ou du chrome, p. ex. couches doubles ou triples
The present invention relates to a cold-rolled flat steel product for packaging materials, having a thickness of less than 0.6 mm, which has been cold-rolled from steel along a rolling direction (00) and which has an excellent isotropy with respect to its mechanical properties.
B65D 65/38 - Matériaux d'emballage de type ou forme particulière
C21D 1/74 - Procédés de traitement en gaz neutre, en atmosphère contrôlée, sous vide ou dans des matières pulvérulentes
C21D 7/02 - Modification des propriétés physiques du fer ou de l'acier par déformation par travail à froid
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
50.
SHEET METAL PACKAGING PRODUCT WITH A STRUCTURED SURFACE AND METHOD FOR PRODUCING A SHEET METAL PACKAGING PRODUCT OF THIS TYPE
The invention relates to sheet metal packaging products, in particular tinplate or electrolytically chrome-plated sheet steel (ECCS), consisting of a sheet steel substrate (S) with a thickness in the region of 0.1 mm to 0.6 mm and a coating (B), in particular made of tin and/or chromium or chromium and chromium oxide, that is electrolytically deposited on at least one side of the sheet metal substrate. In addition, at least one surface of the sheet metal packaging product provided with the coating (B) has a surface profile with periodically repeating structure elements in at least one direction, wherein an autocorrelation function resulting from the surface profile has a plurality of side lobes with a height of at least 20%, preferably at least 30% of the height of the main lobe. These sheet metal packaging products have improved and novel surface properties.
B21B 1/22 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des bandes ou des feuilles en longueurs indéfinies
B21B 27/00 - CylindresLubrification, refroidissement ou chauffage des cylindres en cours d'utilisation
B21H 8/00 - Laminage du métal en longueurs indéfinies spécialement approprié à la fabrication en série d'objets particuliers
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C25D 5/00 - Dépôt électrochimique caractérisé par le procédéPrétraitement ou post-traitement des pièces
C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
The invention relates to a flat steel product for packaging, comprising a cold-rolled steel sheet with a thickness (d) of less than 0.5 mm and with the following composition in relation to the weight: - C: more than 0.03 %, preferably more than 0.04 %, - Si: less than 0.10 %, - Mn: 0.10 to 0.60 % - P: less than 0.10 %, - S: less than 0.03 %, - Al: less than 0,05 %, preferably less than 0.018 %, - N: more than 0.014 %, preferably more than 0.015 %, - with the rest being iron and unavoidable impurities, wherein the sum of the carbon content (C) and the nitrogen content (N) in relation to the weight is at least 0.050 % and the flat steel product has a tensile strength (Rm) of at least 600 MPa and an Erichsen indentation depth, according to the thickness (d in mm), the carbon content (C in wt.%), the nitrogen content (N in wt.%) and the tensile strength (Rm in MPa) of the sheet steel, of ET ? 11.1 · (C + N) + 11.01 mm · d - 0.00864 · Rm + 7.524, wherein ET is the Erichsen indentation depth in mm. The flat steel product is characterised by high level of strength and by a high and isotropic forming capacity within the sheet plane of the flat steel product, and is therefore very well suited to the production of packaging.
C21D 8/04 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes pour produire des produits plats ou des bandes pour l'emboutissage profond
C21D 9/48 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles tôles embouties
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
The present invention relates to a method for the application of an aqueous treatment solution to the surface of a strip (1) which is moving at a preset trip speed, comprising the following steps: spraying the aqueous treatment solution onto at least one rotating roll (21, 22) of a roll coater (20) by means of rotary sprayer (2) having a plurality of spray rotors (3) disposed side by side in the longitudinal direction of the roll (21, 22), to which the aqueous treatment solution is supplied and which are made to rotate by a spray rotor drive so that the treatment solution, driven by the centrifugal force, is sprayed in the form of a spray jet onto the surface of the roll (21, 22), and applying the aqueous treatment solution to at least one surface of the strip (1) by moving the strip (1) past a rotating application roll (21) of the roll coater (20), with the application roll (21) transferring the aqueous treatment solution in the form of a wet film onto the surface of the strip (1). In addition, the present invention also relates to an application device comprising a roll coater (20) and a rotary sprayer (2) as well as to a system for carrying out the method. (Figure 2)
B05D 1/28 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces par transfert de liquides ou d'autres matériaux fluides, à partir de la surface d'éléments porteurs, p. ex. de pinceaux, tampons, rouleaux
C23C 22/05 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses
C23C 22/76 - Application du liquide par pulvérisation
In a method of inspecting a steel strip, wherein at least one surface of the steel strip (1) is illuminated and scanned by at least one camera (2) so as to generate an image record (10) that defines a two-dimensional image of the scanned surface and wherein the image record (10) is sent to an image processing unit (3), with said image processing unit (3) subjecting the image record (10) to the detection of defects and, upon detection of a surface defect (11), classifying the detected surface defect (11), the steel strip (1) is magnetized and the magnetic flux leakage on the surface of the steel strip (1) is detected by means of at least one magnetic field-sensitive flux leakage sensor (4) in order to detect inhomogeneities (21) in the interior of the steel strip (1), with the flux leakage sensor (4) generating a flux leakage record (20) that is sent to the image processing unit (3) and that is subjected by the image processing unit (3) to the detection of defects so as to identify inhomogeneities (21) in the interior of the steel strip (1).
The present invention relates to a method for the production of a metal strip (M) coated with a coating (B), said coating (B) containing chromium metal and chromium oxide and being electrolytically deposited from an electrolyte solution (E) that contains a trivalent chromium compound onto the metal strip (M) by bringing the metal strip (M), which is connected as the cathode, into contact with the electrolyte solution (E). An effective deposition of the coating with a high chromium oxide portion is achieved by successively passing the metal strip (M) at a predefined strip travel speed (v) through a plurality of electrolysis tanks (1a to 1h) arranged successively in a strip travel direction, wherein the first electrolysis tank (1a), as viewed in the strip travel direction, or in a front group of electrolysis tanks (1a, 1b), is set to a low current density (j1); a second electrolysis tank (1c), which follows in the strip travel direction, or a middle group of electrolysis tanks (1c-1f), is set to a medium current density (j2); and a last electrolysis tank (1h), as viewed in the strip travel direction, or a rear group of electrolysis tanks (1g, 1h), is set to a high current density (j3), where j1 .ltoreq. 12 <13 and the low current density (j1) is greater than 20 A/dm2.
C25D 3/06 - Dépôt électrochimiqueBains utilisés à partir de solutions de chrome à partir des solutions de chrome trivalent
C25D 5/14 - Dépôt de plusieurs couches du même métal ou de métaux différents au moins une couche étant du nickel ou du chrome plusieurs couches étant du nickel ou du chrome, p. ex. couches doubles ou triples
The invention pertains to a method for coating a steel sheet with a metal layer, comprising the following steps: - application of a first thin metal layer as a flash coating, - melting the metal layer from the flash coating, - application of at least one additional metal layer onto the metal layer from the flash coating. To increase the corrosion resistance of the coated steel sheet and to improve the energy and resource efficiency of the coating method, with which a steel sheet having a high corrosion resistance and good weldability and with a good deep drawing and ironing behavior is to be produced, the invention provides that the thickness of the metal layer from the flash coating is at most 200 mg/m2 and that the metal layer from the flash coating is melted with electromagnetic radiation of high energy density.
The invention relates to the use of a steel sheet provided with a protective layer for producing a ring-pull top or a can having a ring-pull top, where the steel sheet is made of an unalloyed or low-alloy steel having a carbon content of less than 0.1% by weight, and also an associated process. The problem proceeding from known steel sheets having a protective layer, namely to provide a steel sheet by means of which ring-pull tops which for a constant residual wall thickness of the notch line have a lower tear-off force can be produced by means of the ring-pull top, is solved by the steel sheet being recrystallizingly heat treated at a heating rate of more than 75 K/s and after the recrystallizing heat treatment cooled at a cooling rate of at least 100 K/s and then coated with the protective layer.
B21D 51/38 - Fabrication des dispositifs pour remplir ou vider les boîtes de conserve, bidons, cuvettes, bouteilles ou autres récipientsFabrication des fonds des boîtes de conserveFabrication des dispositifs de fermeture
The invention concerns a method for inspection of at least one surface of a sheet (B) moving in a sheet running direction (v) by an inspector (I), in which the surface of the sheet (B) is illuminated with at least a first light source (1, 1') and a second light source (2, 2') and in which the first light source (1, 1') emits light under a first incidence angle range (.DELTA..alpha.1) onto a first surface area (H) and the second light source (2, 2') emits light under a second incidence angle range (.DELTA..alpha.2) onto a second surface area (D) of the surface of the sheet (B) and the first light source (1, 1') and the second light source (2, 2') are operated in pulsed fashion in alternation with a stipulated pulse frequency (f) so that the surface of the sheet (B) is illuminated in alternation with the pulse frequency (f) in the first surface area (H) and the second surface area (D) and the first surface area (H) illuminated by the first light source (1, 1') can be observed by the inspector (I) via a mirror (4, 4') in the bright field and the second surface area (D) illuminated by the second light source (2, 2') can be observed by the inspector (I) via the mirror (4, 4') in the dark field.
The invention concerns a packaging sheet metal product from a cold-rolled steel sheet with a thickness of less than 0.6 mm having the following composition, in terms of weight: ~ C: 0.001-0.06%, ~ Si: <0.03%, preferably 0.002 to 0.03%, ~ Mn: 0.17-0.5%, ~ P: <0.03%, preferably 0.005 to 0.03%, ~ S: 0.001-0.03%, ~ Al: 0.001-0.1%, ~ N: 0.002-0.12%, preferably 0.004 to 0.07%, ~ optionally Cr: <0.1%, preferably 0.01-0.1%, ~ optionally Ni: <0.1%, preferably 0.01-0.05%, ~ optionally Cu: <0.1%, preferably 0.002-0.05%, ~ optionally Ti: <0.01%, ~ optionally B: <0.005%, ~ optionally Nb: <0.01%, ~ optionally Mo: <0.02%, ~ optionally Sn: <0.03%, ~ remainder iron and unavoidable impurities, in which the packaging sheet metal product during biaxial defonnation in a bulge test has a lower yield strength (SbeL) of more than 300 MPa and a corresponding elongation at break (Ab) of more than 10% and in the plastic region between the Liiders elongation (Abe) and an upper (plastic) elongation limit of Emax = 0.5=Ab.(SbeL/Sbm) has a biaxial stress/strain diagram aB(E) that can be represented by a function as = lye', wherein ~ as is the true biaxial stress in MPa, ~ E is the amount of true elongation in the thickness direction in %, ~ SbeL is the lower yield strength, ~ Sbm is the absolute strength, ~ Abe is the Liiders elongation, ~ b is a proportionality factor and ~ n is a strain-hardening exponent, and a strengthening of the packaging sheet product in the thickness direction is characterized by a strain-hardening exponent of n > 0.353 - 5.l=Sbeil04MPa.
B21B 1/00 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes
B65B 25/00 - Emballage d'autres objets présentant des problèmes particuliers
B65B 25/24 - Emballage d'objets de forme annulaire, p. ex. pneumatiques
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
59.
METHOD FOR THE APPLICATION OF AN AQUEOUS TREATMENT SOLUTION ON THE SURFACE OF A MOVED STEEL STRIP
The invention concerns a method for the application of an aqueous treatment solution onto the surface of a steel strip (1) that is moved, at a prespecified strip speed, in a direction of movement of the strip, with the following steps: - drying of the moving steel strip (1) with a gas flow; - application of the aqueous solution on at least one surface of the steel strip (1) with a rotary sprayer (2) with several spray rotors (3) that are situated next to one another, transverse to the direction of movement of the strip, to which the aqueous treatment solution is supplied and which are rotated by a drive, so as to spray the treatment solution, as a result of centrifugal force, in the form of a spray jet, onto the surface of the steel strip (1) and, there, to form a wet film of the aqueous treatment solution; - equalization of the applied wet film of the aqueous treatment solution by means of driven smoothing rollers (5; 5a, 5b); - drying of the applied wet film of the aqueous treatment solution. The invention also concerns an apparatus for the carrying out of the method.
C23C 18/54 - Dépôt par contact, c.-à-d. dépôt électrochimique sans courant
C23C 22/05 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses
C23C 22/76 - Application du liquide par pulvérisation
The invention concerns a process for passivation of strip steel plate, having the following steps: - electrochemical treatment of the black plate by passing the black plate through an electrolyte to form an inert steel surface, - rinsing the black plate, - application of an aqueous chromium-free treatment solution to at least one surface of the black plate to form a conversion layer that protects against corrosion and an adhesion layer for paints and organic coating materials. The black plate treated in accordance with the invention is characterized by high corrosion resistance and has good bonding capacity for paints and organic coatings and therefore is very suitable as a substitute for tin-free steel (TFS or ECCS) and tinplate for the production of packagings, in particular cans. In contrast to the traditional manufacturing and passivation processes for tin-free steel and tinplate, no chromium VI, which is environmentally hazardous and hazardous to health, is used in the process in accordance with the invention.
C23C 22/05 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses
C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et
C25D 11/00 - Revêtement électrolytique par réaction de surface, c.-à-d. par formation de couches de conversion
61.
METHOD FOR PRODUCING PACKAGING STEEL COMPRISING METALLIC COATING
The invention relates to a method for producing packaging steel consisting of a cold-rolled steel sheet made of unalloyed or low-alloy steel having a carbon content of less than 0.1%. In order to provide high-strength packaging steel that has good formability and high corrosion resistance and can be produced in as energy-saving a manner as possible, the steel sheet according to the invention is first coated with a metallic coating and then annealed in a recrystallising manner at a heating rate of more than 75 K/s and preferably more than 100 K/s to temperatures of more than 700°C, such that the metallic coating melts. The coated and annealed steel sheet is then quenched to normal temperature at a cooling rate of at least 100 K/s.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
The invention relates to a method for passivating the surface of a tinned steel strip which is moved through a coating system at a strip speed of at least 200 m/min. After the steel strip is tinned, the surface is anodically oxidized, and a liquid solution of a chromium-free aftertreatment agent is applied onto the oxide layer. The invention further relates to a tinned steel strip or sheet with a support layer made of a fine or ultrafine sheet of steel, a tin layer which is deposited thereon, and a surface layer of a chromium-free aftertreatment agent. An oxide layer is formed between the tin layer and the surface layer of the aftertreatment agent, said oxide layer substantially consisting of tetravalent tin oxide (SnO2).
C25D 5/48 - Post-traitement des surfaces revêtues de métaux par voie électrolytique
C25D 11/34 - Anodisation de métaux ou d'alliages non prévus dans les groupes
63.
METHOD FOR TREATING A STEEL BAND OR PLATE PROVIDED WITH A METAL COATING WITH AN AFTER-TREATMENT AGENT, AND A STEEL BAND OR PLATE PROVIDED WITH A METAL COATING
The invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent, which contains at least one polyalkylene glycol and is applied as a liquid solution to the surface of the metal coating. According to the invention, in order to achieve improved wetting and adhesion of the covering and at the same time the lowest possible coefficient of friction of the coated surface and in order to ensure good workability of the coated steel band or plate, the after-treatment agent contains a fluorescent antioxidant in addition to the polyalkylene glycol. The invention further relates to a steel band or steel plate provided with a metal coating, particularly a tin plate, which, on the surface of the metal coating, has a thin coat of an after-treatment agent which contains polyalkylene glycol and a fluorescent antioxidant.
B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
C10M 173/02 - Compositions lubrifiantes contenant plus de 10% d'eau ne contenant pas d'huiles minérales ou grasses
64.
METHOD OF THERMALLY TREATING BLACK PLATE COATED WITH A CONVERSION COATING
The present invention relates to a method of thermally treating black plate which is coated with a conversion coating, wherein the conversion-coated black plate is heated during a thermal treatment time (t) from 0.1 seconds to 30 seconds to a temperature in the range of 240.degree.C to 320.degree.C. The heat treatment makes it possible to improve the adhesion of the conversion coating to the black plate surface. In one application of the method, the heat treatment is carried out in a process for the production of corrosion- resistant black plate, wherein prior to, during or after the heat treatment, an organic coating in the form of paint or a polymer coating is applied to the conversion coating of the black plate.
The invention relates to a method for producing a nitrided packaging steel with a carbon content of 10 to 1000 ppm and an amount of uncombined nitrogen, dissolved in the steel, of more than 100 ppm, wherein the nitriding is performed in two stages, to be specific a first stage, in which a molten steel is nitrided to a nitrogen content of at most 160 ppm by introducing a nitrogen-containing gas and/or a nitrogen-containing solid into the molten steel, and a second stage, in which a flat steel product produced from the nitrided molten steel by cold rolling is treated with a nitrogen-containing gas in order to increase further the amount of uncombined nitrogen in the flat steel product. The second nitriding stage is in this case performed in an annealing furnace, in which the flat steel product is at the same time annealed in a recrystallizing manner. The packaging steels produced by this method are distinguished by great strength, in excess of 600 MPa, and good elongation to fracture, regularly in excess of 5%, as well as by good forming properties. The invention also relates to a nitrided packaging steel in the form of a flat steel product.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 33/04 - Fabrication des alliages ferreux par fusion
66.
METHOD FOR PRODUCTION OF A NITRIDED PACKAGING STEEL
The invention relates to a method for producing a nitrided packaging steel from a hot-rolled steel product with a carbon content of 400 to 1200 ppm, characterized by a cold-rolling of the steel product to a flat steel product, subsequent recrystallization annealing of the cold-rolled flat steel product in an annealing furnace, in particular a continuous annealing furnace, wherein a nitrogen-containing gas is supplied into the annealing furnace and is directed at the flat steel product in order to introduce unbonded nitrogen into the flat steel product in an amount corresponding to a concentration of more than 100 ppm, or to increase the amount of unbonded nitrogen in the flat steel product to a concentration of more than 100 ppm, and subsequent cooling of the recrystallized annealed flat steel product at a cooling rate of at least 100 K/s directly after the recrystallization annealing. Using this method, cold-rolled flat steel products may be produced for packaging purposes with a tensile strength of more than 650 MPa and in particular between 700 and 850 MPa.
C21D 1/76 - Réglage de la composition de l'atmosphère
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C21D 10/00 - Modification des propriétés physiques autrement que par traitement thermique ou déformation
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C23F 17/00 - Procédés à étapes multiples pour le traitement de surface de matériaux métalliques utilisant au moins un procédé couvert par la classe et au moins un procédé couvert soit par la sous-classe , soit par la sous-classe , soit par la classe
67.
ELECTRODEPOSITION OF A CHROMIUM-CHROMIUM OXIDE COATING FROM A TRIVALENT CHROMIUM SOLUTION
The present invention relates to a method for the production of a metal strip (M) coated with a coating (B), said coating (B) containing chromium metal and chromium oxide and being electrolytically deposited from an electrolyte solution (E) that contains a trivalent chromium compound onto the metal strip (M) by bringing the metal strip (M), which is connected as the cathode, during an electrolysis time into contact with the electrolyte solution (E). An efficient deposition of a coating with a high proportion of chromium oxide is obtained by successively passing the metal strip (M) at a predefined strip travel speed (v) through a plurality of electrolysis tanks (1a, 1b, 1c; 1a bis 1h) arranged successively in a strip travel direction, wherein the electrolyte solution (E) in at least the last electrolysis tank (1 c; 1h), as viewed in the strip travel direction, or in a rear group of electrolysis tanks (1g, 1h) has a temperature, averaged across the volume of the electrolysis tank(s), of at most 40.degree.C, and the electrolysis time (tE), during which the metal strip (M) is in electrolytically effective contact with the electrolyte solution (E) in the last electrolysis tank (1c) or in the rear group of electrolysis tanks (1g, 1h) is less than 2.0 seconds.
C25D 3/06 - Dépôt électrochimiqueBains utilisés à partir de solutions de chrome à partir des solutions de chrome trivalent
C25D 5/14 - Dépôt de plusieurs couches du même métal ou de métaux différents au moins une couche étant du nickel ou du chrome plusieurs couches étant du nickel ou du chrome, p. ex. couches doubles ou triples
In a method for passivating the surface of a tinplate comprising electrolytic deposition of a passivation layer containing chromium oxide/chromium hydroxide on the surface, the electrolytic deposition of the passivation layer is carried out at least partly from an electrolyte solution (E) which contains a trivalent chromium compound, at least one salt for increasing the conductivity and at least one acid or one base for adjusting a desired pH value and is free from organic complexing agents and free from buffering agents. In order to increase the amount of chromium oxide in the passivation layer, after the electrolytic deposition of the passivation layer, the passivated tinplate is subjected to a thermal treatment in which the passivated tinplate is kept at a treatment temperature of 100 C or more for a treatment time of at least 0.5 seconds.
The invention discloses a cold rolled steel flat product for packaging made of a low carbon steel having a thickness of less than 0.49 mm and a method of making the same, wherein the steel flat product has a martensite-free microstructure and a flatness of 5 I-units or less. The steel flat product represents a standard grade for packaging with tensile strengths in the range from 300 to 550 MPa, which can be produced from a cold-rolled steel sheet with a carbon content in the range from 0.01 % to 0.1% by weight by inductive annealing of the steel sheet and subsequent water cooling for quenching the recrystallization-annealed steel sheet. To achieve the flatness of 5 I-units or less, the induction annealed steel sheet is first primarily cooled in the manufacturing process to a take-off temperature at a primary cooling rate of less than 1000 K/s, with the take-off temperature being below the transformation temperature of 723°C and preferably less than 690°C, and thereafter a secondary cooling of the steel sheet is performed by water cooling with a water temperature of less than 80°C at a secondary cooling rate of more than 1000 K/s.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
70.
STEEL SHEET AND METHOD FOR PRODUCING A STEEL SHEET FOR PACKAGING
The invention relates to a method for producing a steel sheet for packaging - cold-rolling a hot-rolled steel sheet made from a steel having a carbon content (C) of 10 to 1000 ppm by weight, the steel of the hot-rolled steel sheet having a predetermined recrystallisation temperature (TR), - heating the cold-rolled steel sheet to a predetermined heating temperature (TE), where TR ? TE, - the heating being performed at least partially in the presence of a nitrogen donor at least until the recrystallisation temperature (TR) is reached, as a result of which, when the cold-rolled steel sheet is heated, nitrogen from the nitrogen donor is diffused at least into a near-surface region (1) of the cold-rolled sheet steel and is incorporated in the near-surface region (1), as a result of which the recrystallisation temperature (TR) of the steel in the near-surface region (1) is increased by a value ?T, where additionally for the heating temperature (TE): TE < TR + ?T. Using this method, high-strength steel sheets having a multi-layer microstructure can be produced.
This steel sheet for cans contains, in mass%, C: 0.0030% or less, Si: 0.02% or less, Mn: 0.05%-0.60%, P: 0.020% or less, S: 0.020% or less, Al: 0.010%-0.100%, N: 0.0010%-0.0050% and Nb: 0.001%-0.050%, the remainder being Fe and unavoidable impurities. It holds that (integrated intensity of (111)[1-21] orientation)/(integrated intensity of (111)[1-10] orientation) ? 0.9, and in the rolling direction and the direction 90° from the rolling direction in the horizontal plane, it holds that the tensile strength TS ? 550 and the elongation at break E1 > -0.02×TS+17.5.
C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
