The present invention relates to a nickel-based alloy comprising, in weight percent: - 4.0 to 20.0% cobalt; - 14.0 to 18.5% chromium; - 1.8 to 2.6% aluminium; - 1.3 to 1.9% titanium; - 2.8 to 4.5% tantalum; - 0.01 to 0.10% carbon; - 0.003 to 0.02% boron; and - 0.01 to 0.10% zirconium; - 0 to 5% iron; and - 0 to 0.5% niobium. The present invention also relates to a method for manufacturing a part made of the nickel-based alloy, the method comprising: - preparing a billet that has the same composition as that of the nickel-based alloy; - shaping the part; and - heat-treating the part.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
2.
METHOD FOR MANUFACTURING A METAL PART, AND ASSOCIATED USE
The present invention relates to a method for manufacturing a metal part comprising a peripheral part delimiting at least one through-opening, the method comprising the following steps: - providing a metal blank (20); - introducing the metal blank (20) and at least one sacrificial metal compact (22) into a forging tool (40); - jointly forging, in the forging tool (40), the blank (20) and the at least one sacrificial metal compact (22) so as to form a forged part (34) comprising a peripheral region (38) formed exclusively of material of the metal blank (20) and a web (36) formed at least partially from material of the at least one sacrificial metal compact (22); - removing the forged part (34); and - removing the web (36) so as to form the through-opening (16).
B21K 25/00 - Assemblage d'éléments afin qu'ils ne forment plus qu'une seule pièce, p. ex. assemblage de roues et d'arbres de turbines, de crampons et de garnitures, avec ou sans façonnage des éléments constitutifs
B23P 15/00 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe
B64C 1/14 - FenêtresPortesTrappes d'évacuation ou panneaux de visiteStructures de cadres environnantsVerrièresPare-brise
3.
PROCEDE ET ENSEMBLE DE CONTROLE PAR ULTRASONS D’UNE PIECE INDUSTRIELLE
Le procédé comprend : - une étape (S10) de génération d’un référentiel prévoyant une pluralité d’opérations de contrôle par ultrasons définies par des paramètres de contrôle; - une étape (S20) d’établissement d’un programme de contrôle par ultrasons définissant pour chaque opération de contrôle par ultrasons des paramètres opératoires; - une étape (S30) de contrôle par ultrasons de la pièce industrielle (10), avec enregistrement de données caractérisant les contrôles par ultrasons effectivement mis en œuvre; - une étape (S40) de vérification de la conformité du contrôle par ultrasons avec : * une sous-étape (S41) de vérification de la conformité du programme de contrôle par ultrasons vis-à-vis du référentiel, en utilisant les paramètres de contrôle et les paramètres opératoires ; * une sous-étape (S42) de vérification de la conformité du contrôle par ultrasons vis-à-vis du référentiel, en utilisant les paramètres de contrôle et les paramètres effectifs.
The method comprises:
a step (S10) of generating a reference framework providing for a plurality of ultrasonic testing operations defined by testing parameters;
a step (S20) of establishing an ultrasonic testing program defining for each ultrasonic testing operation operational parameters;
a step (S30) of ultrasonic testing of the industrial part (10), with recording of data characterizing the ultrasonic testing processes actually implemented;
a step (S40) of verifying the conformity of the ultrasonic testing with:
a sub-step (S41) of verifying the conformity of the ultrasonic testing program with respect to the reference framework, using the testing parameters and the operational parameters;
a sub-step (S42) of verifying the conformity of the ultrasonic testing with respect to the reference framework, using the testing parameters and the actual parameters.
The present invention relates to a steel composition comprising, in percentages by weight of the total composition: carbon: 0.09-0.17; chromium: 3.00-6.00; molybdenum: 4.00-6.00; tungsten: ≤ 1.00; vanadium: ≤ 0.30; nickel: 2.00-4.00; cobalt: 6.00-10.00; iron: the remainder, as well as unavoidable impurities, the combined content of niobium + vanadium being ≤ 0.30. The invention also relates to the method for manufacturing same, to the steel blank obtained and to a mechanical member or an injection system comprising same.
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C21D 1/25 - Durcissement combiné à un recuit entre 300 °C et 600 °C, c.-à-d. affinage à chaud dit "Vergüten"
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 6/04 - Durcissement par refroidissement au-dessous de 0° C
C21D 9/32 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roues d'engrenage, roues hélicoïdales, ou équivalent
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 38/44 - 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 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C23C 8/22 - Carburation de la couche superficielle de matériaux ferreux
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C23C 8/32 - Carbo-nitruration de la couche superficielle de matériaux ferreux
6.
METHOD FOR NON-DESTRUCTIVE ULTRASONIC INSPECTION OF A LONGITUDINAL METAL BAR
The method comprises inspecting a longitudinal end (3) of a metal bar (1), with a step of acquiring data using at least one multi-element probe (5), and a step of post-processing the data; during the data acquisition step, moving the at least one multi-element probe (5) and the metal bar (1) relative to one another such that the at least one multi-element probe (5) sweeps a side surface (9) circumferentially and/or axially, the at least one multi-element probe (5) emitting, at regularly spaced defined positions, an incident ultrasonic signal towards a region of the longitudinal end (3) and detecting the returned signal, the returned signal being recorded with the corresponding circumferential and/or axial position of the multi-element probe (5) with respect to the side surface (9); the incident ultrasonic signal comprising multiple successively emitted incident signals that are distinct from one another, the returned signal comprising a matrix of elementary time-domain signals corresponding to the echoes of each of the incident signals detected by each receiving element (7); during the data post-processing step, the returned signal is post-processed by determining, in the elementary time-domain signals, the echoes returned by each point of the region of the longitudinal end (3) and by combining the echoes into a combined signal that characterizes the point.
The invention relates to a method for producing a part made of a nickel-based alloy with a Y/Y′ microstructure in which at least one hot-forging step is performed, which method is characterised in that the temperature at which the part is heated in the forging step is maintained within a temperature range lower than the abnormal grain growth temperature range of the alloy, the hot-forging temperature being maintained at a temperature lower than the temperature of the part, the hot-forging temperature being such that the difference compared with the temperature at which the part is heated is less than 250° C. and preferably less than 150° C.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
B21K 1/32 - Fabrication d'éléments de machines de rouesFabrication d'éléments de machines de disques de disques, p. ex. de roues pleines
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
9.
METHOD AND UNIT FOR MANUFACTURING AN ELONGATE INTERMEDIATE PART BY HOT FORGING
Method of manufacturing by forging an intermediate metal alloy part (1) elongate along a longitudinal axis (Z), comprising the following steps:
manufacture by hot forging of an elongate blank comprising at least one section of small cross-section variation;
shaping of the blank to obtain a semi-finished product elongate along a longitudinal axis comprising a central part and a first and a second part of increased cross-section, extending on both sides of the central part along the direction of the longitudinal axis, the shaping of the blank comprising the production of the first part of increased cross-section of the semi-finished product by hot forging and the production of the second part of increased cross-section of the semi-finished product by hot forging chosen from upsetting, spinning, die forging or backward extrusion techniques;
hot stretching of the semi-finished product to obtain the intermediate part (1).
Common metals and their alloys; common metals, unwrought or
semi-wrought; highly alloyed steel; common metals and alloys
in the form of powders, bars, rods, profiles, foils, plates,
sheets, wires, ribbons and tubes; metal materials and their
alloys produced by conventional metallurgy or powder
metallurgy, for use in manufacturing by foundry, forging,
stamping, rolling, drawing, machining, compacting and
additive manufacturing; metal materials and their alloys for
use in manufacturing of any mechanical part.
Common metals and their alloys; common metals, unwrought or
semi-wrought; highly alloyed steel; common metals and alloys
in the form of powders, bars, rods, profiles, foils, plates,
sheets, wires, ribbons and tubes; metal materials and their
alloys produced by conventional metallurgy or powder
metallurgy, for use in manufacturing by foundry, forging,
stamping, rolling, drawing, machining, compacting and
additive manufacturing; metal materials and their alloys for
use in manufacturing of any mechanical part.
Common metals and their alloys; common metals, unwrought or semi-wrought; highly alloyed steel; common metals and alloys in the form of powders, bars, rods, profiles, foils, plates, sheets, wires, ribbons and tubes; metal materials and their alloys in the nature of unwrought common metals, common metal powders and wrought common metals in the form of ingots, bars, wires, tubes and plates produced by conventional metallurgy or powder metallurgy, for use in manufacturing by foundry, forging, stamping, rolling, drawing, machining, compacting and additive manufacturing; metal materials and their alloys in the nature of unwrought common metals, common metal powders and wrought common metals in the form of ingots, bars, wires, tubes and plates for use in manufacturing of any mechanical part.
Common metals and their alloys; common metals, unwrought or semi-wrought; highly alloyed steel; common metals and alloys in the form of powders, bars, rods, profiles, foils, plates, sheets, wires, ribbons and tubes; metal materials and their alloys in the nature of unwrought common metals, common metal powders and wrought common metals in the form of ingots, bars, wires, tubes and plates produced by conventional metallurgy or powder metallurgy, for use in manufacturing by foundry, forging, stamping, rolling, drawing, machining, compacting and additive manufacturing; metal materials and their alloys in the nature of unwrought common metals, common metal powders and wrought common metals in the form of ingots, bars, wires, tubes and plates for use in manufacturing of any mechanical part.
The invention relates to a nickel-based alloy comprising, in weight percent: 4.0 to 20.0% cobalt, 14.0 to 18.5% chromium, 1.8 to 2.6% aluminum, 1.3 to 1.9% titanium, 5.5 to 6.5% tantalum, 0.01 to 0.10% carbon, 0.003 to 0.02% boron, and 0.01 to 0.10% zirconium. A method for manufacturing a part made of the nickel-based alloy includes preparing a billet which has the same composition as that of the nickel-based alloy, shaping the part, and heat treating the part.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
A nickel-based alloy includes, in weight percent: 4.0 to 15.7% cobalt, 15.3 to 19.5% chromium, 1.6 to 5.45% molybdenum, 1.65 to 2.5% aluminum, 2.8 to 4.3% titanium, 0.01 to 0.10% carbon, 0.003 to 0.02% boron, and 0.01 to 0.10% zirconium. A method for manufacturing a part made of the nickel-based alloy includes preparing a billet which has the same composition as that of the nickel-based alloy, shaping the part, and heat treating the part.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
F01D 25/24 - Carcasses d'enveloppeÉléments de la carcasse, p. ex. diaphragmes, fixations
A method for manufacturing turbomachine disks is provided. The method includes: providing a nickel alloy powder; and shaping the powder to obtain a disk. Providing a powder can include: manufacturing a nickel alloy electrode by PAM-CHR; atomizing a nickel alloy by EIGA from the nickel alloy electrode, leading to a raw powder; and sifting the raw powder under inert atmosphere or under vacuum with a granulometric cut-off between 150 μm and 50 μm, leading to the nickel-based alloy powder. In some examples, the granulometric cut-off can be between 125 μm or 75 μm.
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B22F 3/17 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par forgeage
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
20.
METHOD FOR MANUFACTURING A LARGE-SIZED SEAMLESS DOME, AND CORRESPONDING DOME
The method comprises the following steps: • providing a semi-finished product (11); • upset hot forging of the semi-finished product (11) to form a slug (13) with a developed surface larger than that of the semi-finished product (11) and smaller than the developed surface of the wall (3) of the dome; • hot forming of the slug (13) to create a preform (15) that has a developed surface smaller than or equal to the developed surface of the wall (3), the preform (15) comprising at least two consecutive portions (19, 21) extending radially in the extension of one another away from the central axis (A-A) such that, for all of the portions (19, 21), the average thicknesses and/or the convexities of two consecutive portions (19, 21) are distinct; • hot working of the preform (15) in a press between a die and a punch to form the wall (3).
The present invention relates to an iron-based alloy composition comprising, in percentages by weight of the total composition: nickel: 38.0 - 42.0, niobium: 4.750 - 5.500, carbon: 0.010 - 0.100, cobalt: ≤0.400, chromium: ≤0.500; silicon: ≤0.500; manganese: ≤0.500; iron: balance; as well as unavoidable impurities. It also relates to a method for manufacturing the powder of this alloy or an alloy part according to the invention, as well as an alloy part according to the invention and the use thereof.
B22F 10/62 - Traitement de pièces ou d'articles après leur formation par des moyens chimiques
B22F 10/60 - Traitement de pièces ou d'articles après leur formation
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 10/66 - Traitement de pièces ou d'articles après leur formation par des moyens mécaniques
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
B22F 3/17 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet par forgeage
B22F 9/00 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
B22F 10/00 - Fabrication additive de pièces ou d’objets à partir de poudres métalliques
The invention relates to a method for producing a part made of a nickel-based alloy with a Y/Y' microstructure in which at least one hot-forging step is performed, which method is characterised in that the temperature at which the part is heated in the forging step is maintained within a temperature range lower than the abnormal grain growth temperature range of the alloy, the hot-forging temperature being maintained at a temperature lower than the temperature of the part, the hot-forging temperature being such that the difference compared with the temperature at which the part is heated is less than 250°C and preferably less than 150°C.
B21J 1/06 - Méthodes ou dispositifs de chauffage ou de refroidissement spécialement adaptés aux opérations de forgeage ou de pressage
B21K 1/32 - Fabrication d'éléments de machines de rouesFabrication d'éléments de machines de disques de disques, p. ex. de roues pleines
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
23.
METHOD AND UNIT FOR MANUFACTURING AN ELONGATE INTERMEDIATE PART BY HOT FORGING
The invention relates to a method for manufacturing, by forging, an intermediate part (1) which is made of a metal alloy and is elongate along a longitudinal axis (Z), the method comprising the following steps: - manufacturing, by hot forging, an elongate blank comprising at least one section, the cross-section of which varies little; - shaping the blank to obtain a semi-finished product that is elongate along a longitudinal axis and comprises a central part and a first and a second part of increased cross-section, extending on either side of the central part in the direction of the longitudinal axis, the shaping of the blank comprising producing the first part of increased cross-section of the semi-finished product by hot forging and producing the second part of increased cross-section of the semi-finished product by hot forging, selected from upsetting, spinning, die forging or backward extrusion techniques; and - hot-drawing the semi-finished product to obtain the intermediate part (1).
A method for manufacturing an aircraft door with an integral structure. The method includes the following steps: producing a forged blank (7); die-cutting the forging blank (7) between a substantially smooth lower die (8) and an upper die (9) defining a plurality of cells and producing a die-cut part having a honeycomb structure having an open face and a closed face closed by a wall; an inner wall of the honeycomb structure is machined to define at least one recess defined by a web connecting the closed face and the open face and a base protruding substantially perpendicular to the web on the open face of the die cut component.”
B21D 22/02 - Estampage utilisant des dispositifs ou outils rigides
B21D 53/92 - Fabrication d'autres objets particuliers d'autres parties d'avions
B23P 13/02 - Fabrication d'objets métalliques par des opérations impliquant un usinage à la machine, mais non couvertes par une seule autre sous-classe dans lesquelles seules les opérations d'usinage à la machine sont importantes
B64F 5/10 - Fabrication ou assemblage d’aéronefs, p. ex. gabarits à cet effet
B21J 5/02 - MatriçageÉbarbage par utilisation de matrices particulières
Powdered metals, mainly spherical such as superalloys,
nickel alloys, special steels, titanium alloys and for use
in 3D printing or additive manufacturing processes or other
powder metallurgy processes.
The present invention relates to a nickel-based alloy comprising, in weight percent: - 4.0 to 20.0% cobalt; - 14.0 to 18.5% chromium; - 1.8 to 2.6% aluminium; - 1.3 to 1.9% titanium; - 5.5 to 6.5% tantalum; - 0.01 to 0.10% carbon; - 0.003 to 0.02% boron; and - 0.01 to 0.10% zirconium. The present invention also relates to a method for manufacturing a part made of the nickel-based alloy, the method comprising: - preparing a billet that has the same composition as that of the nickel-based alloy; - shaping the part; and - heat treating the part.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
C22C 1/02 - Fabrication des alliages non ferreux par fusion
The present invention relates to a nickel-based alloy comprising, in weight percent: - 4.0 to 15.7% cobalt; - 15.3 to 19.5% chromium; - 1.6 to 5.45% molybdenum; - 1.65 to 2.5% aluminium; - 2.8 to 4.3% titanium; - 0.01 to 0.10% carbon; - 0.003 to 0.02% boron; and - 0.01 to 0.10% zirconium. The present invention also relates to a method for manufacturing a part made of the nickel-based alloy, the method comprising: - preparing a billet that has the same composition as that of the nickel-based alloy; - shaping the part; and - heat treating the part.
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
C22C 1/02 - Fabrication des alliages non ferreux par fusion
The present disclosure relates to a method for manufacturing discs for turbomachines, the method comprising: obtaining a nickel-based alloy powder; shaping the powder in order to obtain a disc; characterised in that the step of obtaining a powder comprises: atomising a nickel-based alloy by electrode induction gas atomisation (EIGA) from a nickel-based alloy electrode, resulting in a raw powder; and sieving the raw powder under an inert atmosphere or under a vacuum to a particle size of between 150 µm and 50 µm, for example 125 µm or 75 µm, resulting in the nickel-based alloy powder.
The present disclosure relates to a method for manufacturing discs for turbomachines, the method comprising: obtaining a nickel-based alloy powder; shaping the powder in order to obtain a disc; characterised in that the step of obtaining a powder comprises: atomising a nickel-based alloy by electrode induction gas atomisation (EIGA) from a nickel-based alloy electrode, resulting in a raw powder; and sieving the raw powder under an inert atmosphere or under a vacuum to a particle size of between 150 µm and 50 µm, for example 125 µm or 75 µm, resulting in the nickel-based alloy powder.
B22F 1/05 - Poudres métalliques caractérisées par la dimension ou la surface spécifique des particules
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
F01D 5/02 - Organes de support des aubes, p. ex. rotors
(1) Métaux en poudre, nommément métaux sphériques sous forme de superalliages, alliages de nickel, aciers spéciaux, alliages de titane, alliages d'aluminium, alliages de cuivre et alliages de cobalt pour utilisation dans l'impression 3D, et procédés de fabrication additifs, et autres procédés de métallurgie des poudres
31.
Nickel-based superalloy and parts made from said superalloy
A nickel superalloy has the following composition, the concentrations of the different elements being expressed as wt-%: Formula (I), the remainder consisting of nickel and impurities resulting from the production of the superalloy. In addition, the composition satisfies the following equation, wherein the concentrations of the different elements are expressed as atomic percent: Formula (II).
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
32.
Method for producing a hollow part made of a metal material and use of this method for producing a landing gear rod or beam
A method for producing a hollow part made of a metal material, includes preparing a blank of the metal material, and at least a sacrificial mandrel made of a material which has a yield stress in the range from −30% to +20% of the yield stress of the material of the blank; applying a punch on at least one of the ends of the blank in order to produce the expansion of at least a portion of said blank and to create at least one internal space inside said blank; inserting a sacrificial mandrel in said an internal space of the blank; crimping the sacrificial mandrel in said blank; producing, by co-forging, a simultaneous deformation of said blank and of said sacrificial mandrel, with a homothetic ratio K; and performing a machining in order to remove the sacrificial mandrel.
The present invention relates to a nickel-based superalloy with a high γ′ phase content, intended for the manufacture of components by additive manufacturing followed by heat treatment, characterized in that its composition comprises, in percentages by weight of the total composition: Cr: 15.5-16.5; Co: 7.7-11; Mo+W=5.5-7.5; Al: 2.9-4.3; Ti: 2.6-3.2; Ta: 1.5-2.2; Nb: 0.3-1.1; C: 0.01-0.13; B: 0.0005-0.015; Zr: 0.01; Hf: 0.0001-0.5; Si: ≤0.06; Ni: balance, and also the unavoidable impurities.
The present invention relates to a nickel-based superalloy with a high γ′ phase content, intended for the manufacture of components by additive manufacturing followed by heat treatment, characterized in that its composition comprises, in percentages by weight of the total composition: Cr: 15.5-16.5; Co: 7.7-11; Mo+W=5.5-7.5; Al: 2.9-4.3; Ti: 2.6-3.2; Ta: 1.5-2.2; Nb: 0.3-1.1; C: 0.01-0.13; B: 0.0005-0.015; Zr: 0.01; Hf: 0.0001-0.5; Si: ≤0.06; Ni: balance, and also the unavoidable impurities.
It further relates to a method for manufacturing superalloy powder and turbine components.
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B22F 10/28 - Fusion sur lit de poudre, p. ex. fusion sélective par laser [FSL] ou fusion par faisceau d’électrons [EBM]
B22F 10/64 - Traitement de pièces ou d'articles après leur formation par des moyens thermiques
B22F 9/08 - Fabrication des poudres métalliques ou de leurs suspensionsAppareils ou dispositifs spécialement adaptés à cet effet par des procédés physiques à partir d'un matériau liquide par coulée, p. ex. à travers de petits orifices ou dans l'eau, par atomisation ou pulvérisation
C22C 1/04 - Fabrication des alliages non ferreux par métallurgie des poudres
C22F 1/08 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du cuivre ou de ses alliages
Method for manufacturing an aircraft door having a monolithic structure, comprising the following steps: - producing a forged blank (7); - die-cutting the forged blank (7) between a substantially smooth lower die (8) and an upper die (9) defining cells, and producing a die-cut part with a cellular structure having an open face and a face closed by a wall; - machining the internal walls of the cellular structure to define at least one recess delimited by a web connecting the closed face and the open face and by a base projecting substantially perpendicular to the web, on the open face of the die-cut part.
The present invention relates to a steel composition comprising, in percentages by weight of the total composition:
Carbon: 0.06-0.20 preferably 0.08-0.18;
Chromium: 2.5-5.0, preferably 3.0-4.5;
Molybdenum: 4.0-6.0;
Tungsten: 0.01-3.0;
Vanadium: 1.0-3.0, preferably 1.5-2.5;
Nickel: 2.0-4.0;
Cobalt: 9.0-12.5, preferably 9.5-11.0;
Iron: remainder
as well as the inevitable impurities,
optionally further comprising one or more of the following elements:
Niobium: ≤2.0;
Nitrogen: ≤0.50, preferably ≤0.20;
Silicon: ≤0.70, preferably 0.05-0.50;
Manganese: ≤0.70, preferably 0.05-0.50;
Aluminum: ≤0.15, preferably ≤0.10;
the combined niobium+vanadium content being in the range 1.0-3.5; and the carbon+nitrogen content being in the range 0.06-0.50.
The present invention relates to a steel composition comprising, in percentages by weight of the total composition:
Carbon: 0.06-0.20 preferably 0.08-0.18;
Chromium: 2.5-5.0, preferably 3.0-4.5;
Molybdenum: 4.0-6.0;
Tungsten: 0.01-3.0;
Vanadium: 1.0-3.0, preferably 1.5-2.5;
Nickel: 2.0-4.0;
Cobalt: 9.0-12.5, preferably 9.5-11.0;
Iron: remainder
as well as the inevitable impurities,
optionally further comprising one or more of the following elements:
Niobium: ≤2.0;
Nitrogen: ≤0.50, preferably ≤0.20;
Silicon: ≤0.70, preferably 0.05-0.50;
Manganese: ≤0.70, preferably 0.05-0.50;
Aluminum: ≤0.15, preferably ≤0.10;
the combined niobium+vanadium content being in the range 1.0-3.5; and the carbon+nitrogen content being in the range 0.06-0.50.
It further relates to method of manufacture thereof, the steel blank obtained and a mechanical device or an injection system comprising same.
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
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
C21D 9/40 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour anneauxTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roulements de paliers
C21D 9/32 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roues d'engrenage, roues hélicoïdales, ou équivalent
C21D 8/00 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique
C23C 8/22 - Carburation de la couche superficielle de matériaux ferreux
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C23C 8/32 - Carbo-nitruration de la couche superficielle de matériaux ferreux
The present invention relates to a nickel-based superalloy having a high γ'-phase content intended for the manufacture of parts by additive manufacturing followed by a heat treatment, characterized in that its composition comprises in percentages by weight of the total composition: Cr: 15.5 - 16.5; Co: 7.7 - 11; Mo + W: 5.5 - 7.5; Al: 2.9 - 4.3; Ti: 2.6 - 3.2; Ta: 1.5 - 2.2; Nb: 0.3 - 1.1; C: 0.01 - 0.13; B: 0.0005 - 0.015; Zr: ≤ 0.01; Hf: 0.0001 - 0.5; Si: ≤ 0.06; Ni: balance and unavoidable impurities. The invention also relates to a method for producing powder and turbine parts made of a superalloy.
and the carbon+nitrogen content being in the range 0.05-0.50.
It further relates to the method of production thereof, the steel blank obtained and a mechanical device comprising the latter.
The present invention relates to a steel composition containing, in percentages by weight of the total composition: carbon: 0.06-0.20, preferably 0.08-0.18; chromium: 2.5-5.0, preferably 3.0-4.5; molybdenum: 4.0-6.0; tungsten: 0.01-3.0; vanadium: 1.0-3.0, preferably 1.5-2.5; nickel: 2.0-4.0; cobalt: 9.0-12.5, preferably, 9.5-11.0; iron: the remainder, as well as inevitable impurities, optionally further comprising one or more of the following elements: niobium: < 2.0; nitrogen: < 0.50, preferably < 0.20; silicon: < 0.70, preferably 0.05-0.50; manganese: < 0.70, preferably 0.05-0.50; aluminium: < 0.15, preferably < 0.10; with the combined content of niobium + vanadium ranging from 1.0 to 3.5; and the carbon + nitrogen content ranging from 0.06 to 0.50. The invention further relates to a method for manufacturing the above composition, the steel blank obtained therewith, and a mechanical body or injection system comprising said blank.
The invention relates to a method for producing a hollow part made of a metal material. Said method comprises the following steps: - preparing a billet of the metal material of the hollow part, and a sacrificial mandrel made of a material which has a yield stress in the range from 30% to +20% of the yield stress of the material of the billet; - applying a punch on one of the ends of the billet in order to produce the expansion of a portion of said billet and to create an internal space inside said billet; - inserting the sacrificial mandrel in said internal space of the billet; - clamping the sacrificial mandrel in said billet; - producing, by co-forging, a simultaneous deformation of said billet and of said sacrificial mandrel, with a homothetic ratio; - and machining in order to remove the sacrificial mandrel. The method is used for manufacturing a landing gear rod or beam.
B21C 23/08 - Fabrication de fils, de barres, de tubes
B21C 33/00 - Alimentation des presses d'extrusion en métal à extruder
B21C 37/04 - Fabrication de tôles, barres, fils, tubes ou profilés métalliques ou de produits semi-finis similaires, non prévue ailleursFabrication de tubes de forme particulière des barres ou fils métalliques
Method for producing a hollow part (17; 21; 46) made of a metal material, characterised in that it comprises the following steps: - preparing a billet (1; 18; 33) of the metal material of the hollow part (17; 21; 46), and at least one sacrificial mandrel (2; 19; 34, 35) made of a material which has a yield stress in the range from -30% to +20% of the yield stress of the material of the billet (1; 18; 33), preferably in the range from -15% to +10%, ideally in the range from -5% to +3%; - applying a punch (10) on at least one of the ends of the billet (1; 18; 33) in order to produce the expansion of at least a portion of said billet (1; 18; 33) and to create at least one internal space (12; 20; 36, 37) inside said billet (1; 18; 33); - inserting the sacrificial mandrel (2; 19; 34, 35) in said one internal space (12; 20; 37) of the billet (1; 18; 33); - clamping the sacrificial mandrel (2; 19; 34, 35) in said billet (1; 8; 33); - producing, by co-forging, a simultaneous deformation of said billet (1; 18; 33) and of said sacrificial mandrel (2; 19; 34, 35), with a homothetic ratio K; - and machining in order to remove the sacrificial mandrel (2; 19; 34, 35). Use of the method for manufacturing a landing gear rod or beam.
B21K 1/06 - Fabrication d'éléments de machines d'arbres
B21C 23/08 - Fabrication de fils, de barres, de tubes
B21C 33/00 - Alimentation des presses d'extrusion en métal à extruder
B21K 21/00 - Fabrication d'articles creux, non couverte par un seul des groupes
B21C 37/04 - Fabrication de tôles, barres, fils, tubes ou profilés métalliques ou de produits semi-finis similaires, non prévue ailleursFabrication de tubes de forme particulière des barres ou fils métalliques
The present invention relates to a steel composition, to the process for manufacturing same, to the steel blank obtained having a hardness of between 46 and 48 HRC and a resilience KV at −40° C. of at least 40 joules, and to the use thereof for manufacturing a pressure appliance component.
C21D 9/10 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour corps tubulaires ou tuyaux canons de fusils
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C22C 38/42 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cuivre
C22C 38/46 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du vanadium
C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
F41A 21/20 - Tubes d'arme caractérisés par le matériau
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 38/02 - 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
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Common metals, unwrought or semi-wrought, and their alloys;
unwrought or semi-wrought steels, special steels and alloys
of special steels, nickel alloys, cobalt alloys, aluminum
alloys, titanium alloys; unwrought or semi-wrought common
metals and their alloys in the form of crude ingot, forged
ingot, slab, billet, sheet metal, plate, strip, cylinder,
coil, band, profile, bar, rod, beam, bead, ribbon, hoop,
metal powder, wire, tubing, ball, beading, metal container,
metal capsule, shavings; forged, compacted, molded, cast,
die-forged, pressed, welded, machined, stamped, 3D-printed
metal part; metal shaped part used in any industry. Advertising; commercial business management; commercial
administration; office functions; presentation of goods on
all kinds of communication media for sale; provision of and
making available commercial information relating to
advertising; wholesale and retail sale service;
preparation and hosting of professional trade fairs and
exhibitions for commercial and advertising purposes;
marketing; business management; company organization. Metal treating, namely: metal tempering, soldering, chromium
plating, nickel plating, tin plating, galvanization,
extruding, wire drawing, milling, rolling, armor-plating,
gas-cutting, cutting, grinding, magnetization, swaging,
stripping, metal welding, forging, drop-forging, pressing,
deburring, machining, drawing and shaping of metals,
recycling, compacting, shot blasting.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Common metals, unwrought or semi-wrought, and their alloys;
unwrought or semi-wrought steels, special steels and alloys
of special steels, nickel alloys, cobalt alloys, aluminum
alloys, titanium alloys; unwrought or semi-wrought common
metals and their alloys in the form of crude ingot, forged
ingot, slab, billet, sheet metal, plate, strip, cylinder,
coil, band, profile, bar, rod, beam, bead, ribbon, hoop,
metal powder, wire, tubing, ball, beading, metal container,
metal capsule, shavings; forged, compacted, molded, cast,
die-forged, pressed, welded, machined, stamped, 3D-printed
metal part; metal shaped part used in any industry. Advertising; commercial business management; commercial
administration; office functions; presentation of goods on
all kinds of communication media for sale; provision of and
making available commercial information relating to
advertising; wholesale and retail sale service;
preparation and hosting of professional trade fairs and
exhibitions for commercial and advertising purposes;
marketing; business management; company organization. Metal treating, namely: metal tempering, soldering, chromium
plating, nickel plating, tin plating, galvanization,
extruding, wire drawing, milling, rolling, armor-plating,
gas-cutting, cutting, grinding, magnetization, swaging,
stripping, metal welding, forging, drop-forging, pressing,
deburring, machining, drawing and shaping of metals,
recycling, compacting, shot blasting.
Common metals, unwrought or semi-wrought, and their alloys;
unwrought or semi-wrought steels, special steels and alloys
of special steels, nickel alloys, cobalt alloys, aluminum
alloys, titanium alloys; unwrought or semi-wrought common
metals and their alloys in the form of crude ingot, forged
ingot, slab, billet, sheet metal, plate, strip, cylinder,
coil, band, profile, bar, rod, beam, bead, ribbon, hoop,
metal powder, wire, tubing, ball, beading, metal container,
metal capsule, shavings; forged, compacted, molded, cast,
die-forged, pressed, welded, machined, stamped, 3D-printed
metal part; metal shaped part used in any industry.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Common metals, unwrought or semi-wrought, and their alloys;
unwrought or semi-wrought steels, special steels and alloys
of special steels, nickel alloys, cobalt alloys, aluminum
alloys, titanium alloys; unwrought or semi-wrought common
metals and their alloys in the form of crude ingot, forged
ingot, slab, billet, sheet metal, plate, strip, cylinder,
coil, band, profile, bar, rod, beam, bead, ribbon, hoop,
metal powder, wire, tubing, ball, beading, metal container,
metal capsule, shavings; forged, compacted, molded, cast,
die-forged, pressed, welded, machined, stamped, 3D-printed
metal part; metal shaped part used in any industry. Advertising; commercial business management; commercial
administration; office functions; presentation of goods on
all kinds of communication media for sale; provision of and
making available commercial information relating to
advertising; wholesale and retail sale services;
preparation and hosting of professional trade fairs and
exhibitions for commercial and advertising purposes;
marketing; business management; company organization. Metal treating, namely metal tempering, soldering, chromium
plating, nickel plating, tin plating, galvanization,
extruding, wire drawing, milling, rolling, armor-plating,
gas-cutting, cutting, grinding, magnetization, swaging,
stripping, metal welding, forging, drop-forging, pressing,
deburring, machining, drawing and shaping of metals,
recycling, compacting, shot blasting.
(1) Métaux communs bruts et mi-ouvrés et leurs alliages ; Aciers bruts et mi-ouvrés, aciers spéciaux et alliages d'aciers spéciaux, alliages de nickel, alliages de cobalt, alliages d'aluminium, alliages de titane ; Métaux communs bruts et mi-ouvrés et leurs alliages sous forme de lingot brut, lingot de forge, brame, billette, tôle, plaque, feuillard, cylindre, bobine, bande, profilé, barre, tige, poutrelle, bille, ruban, frette, métaux en poudres pour la production industrielle, fils, tube, boule, baguette, capsule métallique, copeaux ; Métaux communs bruts et mi-ouvrés, pour transformation ultérieure, nommément pièces métalliques semifinies fabriquées à partir de lingots, de poudres et de granules métalliques forgées, compactées, moulées, fondues, matricées, embouties, soudées, usinées, estampées, imprimées 3D utilisées dans la fabrication de produits, nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
(1) Métaux communs bruts et mi-ouvrés et leurs alliages ; Aciers bruts et mi-ouvrés, aciers spéciaux et alliages d'aciers spéciaux, alliages de nickel, alliages de cobalt, alliages d'aluminium, alliages de titane ; Métaux communs bruts et mi-ouvrés et leurs alliages sous forme de lingot brut, lingot de forge, brame, billette, tôle, plaque, feuillard, cylindre, bobine, bande, profilé, barre, tige, poutrelle, bille, ruban, frette, métaux en poudres pour la production industrielle, fils, tube, boule, baguette, capsule métallique, copeaux ; Métaux communs bruts et mi-ouvrés, pour transformation ultérieure, nommément pièces métalliques semifinies fabriquées à partir de lingots, de poudres et de granules métalliques forgées, compactées, moulées, fondues, matricées, embouties, soudées, usinées, estampées, imprimées 3D utilisées dans la fabrication de produits, nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense. (1) Traitement des métaux nommément, trempe des métaux, brasage, chromage, nickelage, étamage, galvanisation, filage, tréfilage fraisage, laminage, blindage, oxycoupage, découpage par fusion ou par jet d'eau, meulage, magnétisation, emboutissage, décapage, soudage des métaux, forgeage, matriçage, pressage, ébavurage, usinage, étirage et mise en forme des métaux, recyclage, compactage, grenaillage.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
(1) Métaux communs bruts et mi-ouvrés et leurs alliages ; Aciers bruts et mi-ouvrés, aciers spéciaux et alliages d'aciers spéciaux, alliages de nickel, alliages de cobalt, alliages d'aluminium, alliages de titane ; Métaux communs bruts et mi-ouvrés et leurs alliages sous forme de lingot brut, lingot de forge, brame, billette, tôle, plaque, feuillard, cylindre, bobine, bande, profilé, barre, tige, poutrelle, bille, ruban, frette, métaux en poudres pour la production industrielle, fils, tube, boule, baguette, capsule métallique, copeaux ; Métaux communs bruts et mi-ouvrés, pour transformation ultérieure, nommément pièces métalliques semi-finies fabriquées à partir de lingots, de poudres et de granules métalliques forgées, compactées, moulées, fondues, matricées, embouties, soudées, usinées, estampées, imprimées 3D utilisées dans la fabrication de produits, nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense. (1) Traitement des métaux nommément, trempe des métaux, brasage, chromage, nickelage, étamage, galvanisation, filage, tréfilage fraisage, laminage, blindage, oxycoupage, découpage par fusion ou par jet d'eau, meulage, magnétisation, emboutissage, décapage, soudage des métaux, forgeage, matriçage, pressage, ébavurage, usinage, étirage et mise en forme des métaux, recyclage, compactage, grenaillage.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
(1) Métaux communs bruts et mi-ouvrés et leurs alliages ; Aciers bruts et mi-ouvrés, aciers spéciaux et alliages d'aciers spéciaux, alliages de nickel, alliages de cobalt, alliages d'aluminium, alliages de titane ; Métaux communs bruts et mi-ouvrés et leurs alliages sous forme de lingot brut, lingot de forge, brame, billette, tôle, plaque, feuillard, cylindre, bobine, bande, profilé, barre, tige, poutrelle, bille, ruban, frette, métaux en poudres pour la production industrielle, fils, tube, boule, baguette, capsule métallique, copeaux ; Métaux communs bruts et mi-ouvrés, pour transformation ultérieure, nommément pièces métalliques semifinies fabriquées à partir de lingots, de poudres et de granules métalliques forgées, compactées, moulées, fondues, matricées, embouties, soudées, usinées, estampées, imprimées 3D utilisées dans la fabrication de produits, nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense. (1) Traitement des métaux nommément, trempe des métaux, brasage, chromage, nickelage, étamage, galvanisation, filage, tréfilage fraisage, laminage, blindage, oxycoupage, découpage par fusion ou par jet d'eau, meulage, magnétisation, emboutissage, décapage, soudage des métaux, forgeage, matriçage, pressage, ébavurage, usinage, étirage et mise en forme des métaux, recyclage, compactage, grenaillage.
The present invention relates to a case-hardenable and/or nitridable steel composition comprising, in percentages by weight of the total composition: carbon: 0.05-0.40, preferably 0.10-0.30; chromium: 2.50-5.00, preferably 3.00-4.50; molybdenum: 4.00-6.00; tungsten: 0.01-1.80, preferably 0.02-1.50; vanadium: 1.00-3.00, preferably 1.50-2.50; nickel: 2.00-4.00; cobalt: 2.00-8.00, preferably 3.00-7.00; iron: balance and also the inevitable impurities, optionally additionally comprising one or more of the following elements: niobium: ≤ 2.00; nitrogen: ≤ 0.50, preferably ≤ 0.20; silicon: ≤ 0.70, preferably 0.05-0.50; manganese: ≤ 0.70, preferably 0.05-0.50; aluminum: ≤ 0.15, preferably ≤ 0.10; the combined content of niobium + vanadium being within the range 1.00-3.50; and the content of carbon + nitrogen being within the range 0.05-0.50. It also relates to the process for the manufacture thereof, to the steel blank obtained and to a mechanical member comprising same.
C21D 9/36 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour billesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour galets de roulement
C21D 9/40 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour anneauxTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roulements de paliers
C23C 8/22 - Carburation de la couche superficielle de matériaux ferreux
C23C 8/26 - Nitruration de la couche superficielle de matériaux ferreux
C23C 8/32 - Carbo-nitruration de la couche superficielle de matériaux ferreux
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 treating, namely, metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting Common metals, unwrought or semi-wrought and their alloys, unwrought or semi-wrought steel, Metal parts in the nature of billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes made of forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry
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 treating, namely: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting Common metals, unwrought or semi-wrought and their alloys, unwrought or semi-wrought steel, Metal parts in the nature of billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes made of forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry
Common metals, unwrought or semi-wrought and their alloys, unwrought or semi-wrought steel, Metal parts in the nature of billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes made of forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry
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 treating, namely: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting Common metals, unwrought or semi-wrought and their alloys, unwrought or semi-wrought steel, Metal parts in the nature of billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes made of forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry
55.
A METHOD FOR HEAT TREATING BY INDUCTION AN ALLOY COMPONENT FOR GENERATING MICROSTRUCTURE GRADIENTS AND AN ALLOY COMPONENT HEAT TREATED ACCORDING TO THE METHOD
INSTITUT SUPERIEUR DE L'AERONAUTIQUE ET DE L'ESPACE - ÉCOLE NATIONALE SUPERIEURE DE MECANIQUE ET D'AEROTECHNIQUE (ISAE-ENSMA) (France)
AUBERT & DUVAL (France)
Inventeur(s)
Bridier, Florent
Bocher, Philippe
Cormier, Jonathan
Villechaise, Patrick
Abrégé
A superalloy component heat treatment method using controlled induction heat treatment. The method being adapted to controllably generate a coarse grain microstructure region within the component from a fine grain microstructure metallic component. The method further being adapted to controllably form precipitates within the desired region in order to achieve a desired hardness therein. A single piece alloy component having a controlled core region and a controlled peripheral region. The controlled core region defining fine metallurgical grains and adapted to provide a desired fatigue resistance. The controlled peripheral region defining coarse metallurgical grains and adapted to provide a desired creep resistance.
C22F 3/02 - Modification de la structure physique des métaux ou alliages non ferreux par des méthodes physiques particulières, p. ex. traitement par les neutrons par solidification d'une masse fondue commandée par des ultrasons ou des champs électriques ou magnétiques
The present invention relates to a steel composition, to the process for manufacturing same, to the steel blank obtained having a hardness of between 46 and 48 HRC and a resilience KV at -40°C of at least 40 joules and to the use thereof for manufacturing a pressure appliance component.
C21D 9/10 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour corps tubulaires ou tuyaux canons de fusils
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
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 38/42 - 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 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
F41A 21/20 - Tubes d'arme caractérisés par le matériau
A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt. % Cr 2.5-5.0 wt. %, Mo 4-6 wt. %, W 2-4.5 wt. %, V 1-3 wt. %, Ni 2-4 wt. %, Co 2-8 wt. %, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt. % Si 0-0.7 wt. %, Mn 0-0.7 wt. %, Al 0-0.1 5 wt. %, wherein the combined amount of Nb+V is within the range 1-3.5 wt. %, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities.
C21D 9/40 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour anneauxTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roulements de paliers
C22C 33/02 - Fabrication des alliages ferreux par des techniques de la métallurgie des poudres
B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C21D 9/36 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour billesTraitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour galets de roulement
C22C 33/04 - Fabrication des alliages ferreux par fusion
B22F 5/10 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser d'articles avec des cavités ou des trous, non prévue dans les sous-groupes précédents
Common metals, unwrought or semi-wrought, and their alloys,
steel, nickel; super alloys, aluminum alloys, titanium
alloys, steel pellets, balls of steel, strip steel, steel
wire, steel sheets, steel tubes, steel strips, steel pipes,
steel bars; parts of forged, molded, cast steel, die-cast,
pressed, welded steel parts, machined or stamped; materials
of metal for railway tracks, billets of metal, sheets of
metal, plates of metal, bands of metal, barrels of metal,
reels of metal, profiles of metal, strips of metal, bars of
metal, balls of metal, joists of metal, ribbons of metal;
metal parts made of ingots, powders and forged, molded,
cast, die-cast, pressed, welded metal granules, machined or
stamped and shaped, namely for use in the automotive,
aeronautical, marine, space, railway, medical, glass,
mechanical, defence, energy and oil industries. Advertising; business management; commercial
administration; office functions.
Common metals, unwrought or semi-wrought, and their alloys,
steel, nickel; super alloys, aluminum alloys, titanium
alloys, steel pellets, balls of steel, strip steel, steel
wire, steel sheets, steel tubes, steel strips, steel pipes,
steel bars; parts of forged, molded, cast steel, die-cast,
pressed, welded steel parts, machined or stamped; materials
of metal for railway tracks, billets of metal, sheets of
metal, plates of metal, bands of metal, barrels of metal,
reels of metal, profiles of metal, strips of metal, bars of
metal, balls of metal, joists of metal, ribbons of metal;
metal parts made of ingots, powders and forged, molded,
cast, die-cast, pressed, welded metal granules, machined or
stamped and shaped, namely for use in the automotive,
aeronautical, marine, space, railway, medical, glass,
mechanical, defence, energy and oil industries. Advertising; business management; commercial
administration; office functions.
Common metals, unwrought or semi-wrought, and their alloys,
steel, nickel; super alloys, aluminum alloys, titanium
alloys, steel pellets, balls of steel, strip steel, steel
wire, steel sheets, steel tubes, steel strips, steel pipes,
steel bars; parts of forged, molded, cast steel, die-cast,
pressed, welded steel parts, machined or stamped; materials
of metal for railway tracks, billets of metal, sheets of
metal, plates of metal, bands of metal, barrels of metal,
reels of metal, profiles of metal, strips of metal, bars of
metal, balls of metal, joists of metal, ribbons of metal;
metal parts made of ingots, powders and forged, molded,
cast, die-cast, pressed, welded metal granules, machined or
stamped and shaped, namely for use in the automotive,
aeronautical, marine, space, railway, medical, glass,
mechanical, defence, energy and oil industries. Advertising; business management; commercial
administration; office functions.
Common metals, unwrought or semi-wrought, and their alloys,
steel, nickel; super alloys, aluminum alloys, titanium
alloys, steel pellets, balls of steel, strip steel, steel
wire, steel sheets, steel tubes, steel strips, steel pipes,
steel bars; parts of forged, molded, cast steel, die-cast,
pressed, welded steel parts, machined or stamped; materials
of metal for railway tracks, billets of metal, sheets of
metal, plates of metal, bands of metal, barrels of metal,
reels of metal, profiles of metal, strips of metal, bars of
metal, balls of metal, joists of metal, ribbons of metal;
metal parts made of ingots, powders and forged, molded,
cast, die-cast, pressed, welded metal granules, machined or
stamped and shaped, namely for use in the automotive,
aeronautical, marine, space, railway, medical, glass,
mechanical, defence, energy and oil industries. Advertising; business management; commercial
administration; office functions.
62.
Tool for fixing a connecting head on an electrode casted in a mold, associated apparatus and method
The tool according to the invention comprises a connecting head (22) support (70) extending along a longitudinal axis (B-B′); a mold base (72), supported by the support (70), the mold base (72) defining an axial orifice for passage of the connecting head (22); an end-piece (74) for mounting the support (70) on a movement member for moving the tool in the mold; and a mechanism (76) for longitudinal immobilization of the connecting head (22) on the support (70). The mechanism (76) for longitudinal immobilization is longitudinally adjustable relative to the support (70) in order to immobilize the connecting head (22) relative to the support (70) in at least two different longitudinal positions along the longitudinal axis (B-B′).
H05B 7/102 - Fixations, supports ou bornes à la tête de l'électrode, c.-à-d. à l'extrémité éloignée de l'arc spécialement adaptés pour les électrodes consommables
B22D 11/00 - Coulée continue des métaux, c.-à-d. en longueur indéfinie
(1) Métaux communs bruts et mi-ouvrés et leurs alliages, acier, nickel; super alliage, nommément super alliage de fer, super alliage de cobalt, super alliage de nickel, alliage d'aluminium, alliage de titane, billes d'acier, boules d'acier, feuillards d'acier, fils d'acier, tôles d'acier, tubes d'acier, baguettes d'acier, tuyaux d'acier, lingots d'acier; pièces d'acier forgées, moulées, fondues, matricées, embouties, soudées, usinées ou estampées sous forme de billettes, blooms, brames, plaques, feuilles, feuillards, rubans, flans, cylindres, bobines, bandes, profilés, barres, poutres, poutrelles, tiges, tubes, billots, lingots; matériaux métalliques pour les voies ferrées, billettes métalliques, tôles métalliques, plaques métalliques, feuillards métalliques, cylindres métalliques, bobines métalliques, bandes métalliques, profilés métalliques, barres métalliques, poutrelles métalliques, billes métalliques, rubans métalliques; Métaux communs bruts et mi-ouvrés, pour transformation ultérieure nommément pièces métalliques fabriquées à partir de lingots, de poudres et de granules métalliques forgées, moulées, fondues, matricées, embouties, soudées, usinées ou estampées et de forme utilisées dans la fabrication de produits nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense. (1) Gestion des affaires commerciales et administration commerciale; travaux de bureau, nommément services de secrétariat, reproduction de documents, mise en page, design et impression de documents.
(1) Métaux communs bruts et mi-ouvrés et leurs alliages, acier, nickel ; super alliage, nommément super alliage de fer, super alliage de cobalt, super alliage de nickel, alliage d'aluminium, alliage de titane, billes d'acier, boules d'acier, feuillards d'acier, fils d'acier, tôles d'acier, tubes d'acier, baguettes d'acier, tuyaux d'acier, lingots d'acier ; pièces d'acier forgées, moulées, fondues, matricées, embouties, soudées, usinées ou estampées sous forme de billettes, blooms, brames, plaques, feuilles, feuillards, rubans, flans, cylindres, bobines, bandes, profilés, barres, poutres, poutrelles, bandes, tiges, tubes, billots, lingots ; matériaux métalliques pour les voies ferrées et pièces métalliques semi-finies destinées à être transformées, nommément billettes métalliques, tôles métalliques, plaques métalliques, feuillards métalliques, cylindres métalliques, bobines métalliques, bandes métalliques, profilés métalliques, barres métalliques, poutrelles métalliques, billes métalliques; rubans métalliques ; pièces métalliques fabriquées à partir de lingots, de poudres et de granules métalliques forgées, moulées, fondues, matricées, embouties, soudées, usinées ou estampées et de forme utilisées dans la fabrication de produits nommément dans l'industrie automobile, aéronautique, navale, spatiale, ferroviaire et médicale, mécanique, verrerie, pétrole, énergie, défense. (1) Gestion des affaires commerciales ; administration commerciale ; Travaux de bureau, nommément services de secrétariat et de travail de bureau, reproduction de documents, mise en page
Common metals, unwrought or semi-wrought, and their alloys, steel, nickel; super alloys of iron [ , super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, steel pellets, ] [ balls of steel, ] [ strip steel, steel wire, steel sheets, steel tubes, steel strips] , steel pipes, steel bars; parts in the nature of billets, [ blocks, sheets, capsules, ] bars, [ metal profiles, bands, plates ] and tubes made of forged [ , molded, cast, die-cast, pressed, welded, machined, ] and stamped steel; [ materials of metal for railway tracks, ] billets of metal, [ sheets of metal, plates composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, bands of metal, barrels of metal, metal in the form of reels for industrial uses, profiles composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, strips composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, ] bars composed of common metals, steel, stainless steel, super alloys of iron [ , super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, balls of common metals, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, joists of metal, ribbons composed of common metal, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys ] ; metal parts in the nature of billets, [ blocks, sheets, capsules, ] bars [ , metal profiles, bands, plates and tubes ] made of common metal ingots [ , common metal powders, ] [ forgings, moldings, castings, die-castings, pressed common metal, welded common metal granules, machined common metal, stamped common metal and shaped common metal, namely, for use in the automotive, aeronautical, marine, space, railway, medical, glass, mechanical, defense, energy and oil industries ] ; all of the above for further manufacture [ Advertising, business management, commercial administration, namely, business administration services, office functions ]
Common metals, unwrought or semi-wrought, and their alloys, steel, nickel; super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, steel pellets, balls of steel, strip steel, steel wire, steel sheets, steel tubes, steel strips, steel pipes, steel bars; parts in the nature of billets, blocks, sheets, capsules, bars, metal profiles, bands, plates and tubes made of forged, molded, cast, die-cast, pressed, welded, machined, and stamped steel; materials of metal for railway tracks, billets of metal, sheets of metal, plates composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, bands of metal, barrels of metal, metal in the form of reels for industrial uses, profiles composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, strips composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, bars composed of common metals, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, balls of common metals, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys, joists of metal, ribbons composed of common metal, steel, stainless steel, super alloys of iron, super alloys of cobalt, super alloys of nickel, aluminum alloys, titanium alloys; metal parts in the nature of billets, blocks, sheets, capsules, bars, metal profiles, bands, plates and tubes made of common metal ingots, common metal powders, forgings, moldings, castings, die-castings, pressed common metal, welded common metal granules, machined common metal, stamped common metal and shaped common metal, namely, for use in the automotive, aeronautical, marine, space, railway, medical, glass, mechanical, defence, energy and oil industries Advertising, business management, commercial administration, namely, business administration services; providing office functions
67.
PRECIPITATION HARDENING NICKEL ALLOY, PART MADE OF SAID ALLOY, AND MANUFACTURING METHOD THEREOF
The invention relates to a precipitation hardening nickel alloy characterized in that the composition thereof is, in wt%: 18% ≤ Cr ≤ 22%, preferably 18% ≤ Cr ≤ 20%; 18% ≤ Co ≤ 22%, preferably 19% ≤ Co ≤ 21%; 4% ≤ Mo + W ≤ 8%, preferably 5.5% ≤ Mo + W ≤ 7.5%; traces ≤ Zr ≤ 0.06%; traces ≤ B ≤ 0.03%, preferably traces ≤ B ≤ 0.01%; traces ≤ C ≤ 0.1%, preferably traces ≤ C ≤ 0.06%; traces ≤ Fe ≤ 1%; traces ≤ Nb ≤ 0.01%; traces ≤ Ta ≤ 0.01%; traces ≤ S ≤ 0.008%; traces ≤ P ≤ 0.015%; traces ≤ Mn ≤ 0.3%; traces ≤ Si ≤ 0.15%; traces ≤ O ≤ 0.0025%; and traces ≤ N ≤ 0.0030%. The rest consists of nickel and impurities resulting from the production of said alloy. The Al content and Ti content moreover satisfy the following conditions: (1) Ti/Al ≤ 3; (2) Al + 1.2 Ti ≥ 2%; (3) (0.2 Al - 1.25)2- 0.5 Ti ≥ 0%; (4) Ti + 1.5 Al ≤ 4.5%. The invention also relates to a part made of said alloy and to the manufacturing method thereof.
A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt.% Cr 2.5-5.0 wt. %, Mo 4-6 wt.%, W 2-4.5 wt.%, V 1 -3 wt.%, Ni 2-4 wt.%, Co 2-8 wt.%, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt.% Si 0-0.7 wt.%, Mn 0-0.7 wt.%, Al 0-0.1 5 wt.%, wherei n the combined amount of Nb+V is within the range 1 -3.5 wt.%, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities.
The invention relates to martensitic stainless steel, characterised by having the following composition: traces = C = 0.030%; traces = Si = 0.25%; traces = Mn = 0.25%; traces = S = 0.020%; traces = P = 0.040%; 8% = Ni = 14%; 8% = Cr = 14%; 1.5% = Mo + W/2 = 3.0%; 1.0% = Al = 2.0%; 0.5% = Ti = 2.0%; 2% = Co = 9%; traces = N = 0.030%; traces = O = 0.020%; the balance being iron and production impurities; and in that the martensitic transformation starting temperature Ms, calculated by the formula (1) Ms (°C) = 1302 - 28Si - 50Mn - 63Ni - 42Cr - 30Mo + 20AI - 12Co - 25Cu + 10[Ti - 4(C+N)], in which the contents of the various elements are expressed in weight percentages, is no lower than 50 °C, preferably no lower than 75 °C. The invention also relates to a part made of said steel and to the method for manufacturing same.
C21D 6/04 - Durcissement par refroidissement au-dessous de 0° C
C21D 9/32 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roues d'engrenage, roues hélicoïdales, ou équivalent
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 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
70.
MARTENSITIC STAINLESS STEEL, PART MADE OF SAID STEEL AND METHOD FOR MANUFACTURING SAME
The invention relates to martensitic stainless steel, characterised by having the following composition: traces ≤ C ≤ 0.030%; traces ≤ Si ≤ 0.25%; traces ≤ Mn ≤ 0.25%; traces ≤ S ≤ 0.020%; traces ≤ P ≤ 0.040%; 8% ≤ Ni ≤ 14%; 8% ≤ Cr ≤ 14%; 1.5% ≤ Mo + W/2 ≤ 3.0%; 1.0% ≤ Al ≤ 2.0%; 0.5% ≤ Ti ≤ 2.0%; 2% ≤ Co ≤ 9%; traces ≤ N ≤ 0.030%; traces ≤ O ≤ 0.020%; the balance being iron and production impurities; and in that the martensitic transformation starting temperature Ms, calculated by the formula (1) Ms (°C) = 1302 - 28Si - 50Mn - 63Ni - 42Cr - 30Mo + 20AI - 12Co - 25Cu + 10[Ti - 4(C+N)], in which the contents of the various elements are expressed in weight percentages, is no lower than 50 °C, preferably no lower than 75 °C. The invention also relates to a part made of said steel and to the method for manufacturing same.
C21D 6/04 - Durcissement par refroidissement au-dessous de 0° C
C21D 9/32 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour roues d'engrenage, roues hélicoïdales, ou équivalent
C21D 1/25 - Durcissement combiné à un recuit entre 300 °C et 600 °C, c.-à-d. affinage à chaud dit "Vergüten"
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 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
C22C 38/50 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du titane ou du zirconium
71.
TOOL FOR FASTENING AN ATTACHMENT HEAD TO AN ELECTRODE CAST IN A MOULD, ASSOCIATED INSTALLATION AND ASSOCIATED METHOD
This tool has an attachment head (22) holder (70) extending along a longitudinal axis (B-B'); - a mould bottom (72) carried by the holder (70), the mould bottom (72) defining an axial through-orifice for the attachment head (22); - an end fitting (74) for mounting the holder (70) on a member for moving the tool in the mould; and - a mechanism (76) for longitudinal immobilization of the attachment head (22) on the holder (70). The mechanism (76) for longitudinal immobilization is longitudinally adjustable with respect to the holder (70) in order to immobilize the attachment head (22) with respect to the holder (70) in at least two separate longitudinal positions along the longitudinal axis (B-B').
H05B 7/102 - Fixations, supports ou bornes à la tête de l'électrode, c.-à-d. à l'extrémité éloignée de l'arc spécialement adaptés pour les électrodes consommables
72.
METHOD OF FABRICATING A STEEL PART BY POWDER METALLURGY, AND RESULTING STEEL PART
Method of fabricating a steel part (5) by powder metallurgy, characterized in that: - a prealloyed powder (7) is prepared having the composition desired for said part, except regarding the contents of O and N and, optionally, of C, having contents of O and N of at most 200 ppm, and having an Mn content of 0.4 to 2% by weight and a Cr content of less than or equal to 3%; - the powder (7) is placed in a container (1), the walls (2, 3) of which define a space (4), the shape of which corresponds to that of the part (5), a getter (6) being at the periphery of the powder (7), said getter (6) having the ability, at high temperature, to absorb and reduce CO and to absorb nitrogen, and the container (1) is placed under vacuum then sealed; - the container (1) and the powder (7) are brought to a temperature that leads to a sintering of the powder (7) and a densification of said power (7) that does not exceed 5%, an emission of nitrogen and of CO from the powder (7) and the absorption thereof by the getter (6); - a densification of said powder (7) is carried out by hot isostatic pressing in order to obtain said part (5); - said part (5) is separated from the container (1) and from the getter (6); - a scalping, a heat treatment and a machining of said part (5) are carried out. Steel part thus produced.
The invention relates to a method of producing a martensitic steel comprising a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of the last heat shaping pass of said steel is lower than the solubility temperature of the aluminum nitrides in the steel, and the treatment temperature for each potential heat treatment after said last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in said steel.
Hot extrusion process and tool for producing a metal part (1), such as a landing gear, possessing a flow stress of 200 MPa or more when cold and comprising a tubular portion (2) one of the two ends of which is extended by a complex shape (3), said process comprising, after heating and hot transfer of the billet (11) to an extrusion press (6): at least one direct extrusion step using a first mandrel (4) in order to produce the complex shape (3); and at least one indirect extrusion step with a second mandrel (5) replacing the first, the second mandrel moving in the same direction and in the same way as the first mandrel (4) in the same extrusion tool (6) so as to produce all of the tubular portion (2) of the part (1).
Hot extrusion process and tool for producing a metal part (1), such as a landing gear, possessing a flow stress of 200 MPa or more when cold and comprising a tubular portion (2) one of the two ends of which is extended by a complex shape (3), said process comprising, after heating and hot transfer of the billet (11) to an extrusion press (6): at least one direct extrusion step using a first mandrel (4) in order to produce the complex shape (3); and at least one indirect extrusion step with a second mandrel (5) replacing the first, the second mandrel moving in the same direction and in the same way as the first mandrel (4) in the same extrusion tool (6) so as to produce all of the tubular portion (2) of the part (1).
A method of producing a martensitic steel including a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of a last heat shaping pass of the steel is lower than the solubility temperature of aluminum nitrides in the steel, and a treatment temperature for each potential heat treatment after the last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in the steel.
Common metals and their alloys; common metals, unwrought or
semi-wrought; nickel alloys; iron-nickel alloys; alloys,
particularly those consisting of molybdenum, chromium and
cobalt; iron, unwrought or semi-wrought; common metals and
alloys in the form of bars, pins, profiles, foils, plates,
bands and tubes; materials of metal and their alloys for use
in manufacture by means of forging, die-stamping and/or
laminating of shaped sections or discs; materials of metal
and their alloys intended for manufacturing turbines, parts
for land or aeronautical turbines as well as manufacturing
tools for heat treatment or parts for such tools, nickel
alloys, worked and semi-worked, intended for the manufacture
of shaped sections, discs, bars, rods; sheets and plates of
metal; iron slabs; strips; tubes; forged, laminated or drop
forged parts and wire. Turbines for aeronautics; turbines, other than for land
vehicles.
Common metals and their alloys; common metals, unwrought or semi-wrought; nickel alloys; iron-nickel alloys; metal alloys, particularly those consisting of molybdenum, chromium and cobalt; iron, unwrought or semi-wrought; common metals and alloys in the form of bars, pins, profiles, foils, plates, bands and tubes; common metal and their alloys for use in manufacture by means of forging, die-stamping and/or laminating of shaped sections or discs; common metal and their alloys for use in manufacturing the following: turbines, parts for land or aeronautical turbines tools for heat treatment or parts for such tools, nickel alloys, worked and semi-worked, used for the manufacture of shaped sections, discs, bars, and rods; sheets and plates of metal; iron slabs; common metal in the form of strips; metal tubes; forged, laminated or drop forged parts in the nature of metal and wire Turbines for aeronautics; turbines, other than for land vehicles
79.
Hardened martensitic steel having a low cobalt content, process for manufacturing a part from steel, and part thus obtained
the remainder being iron and inevitable impurities resulting from the smelting. A process for manufacturing a part from this steel, and part thus obtained.
The invention relates to a method for preparing a part made of a titanium alloy, including thermal treatment to relieve the internal stress of the part, the thermal treatment including maintaining the part at a temperature "T1" that is higher than the beta transus (beta transition) temperature - the so-called "Tbt" - and the part remaining free to deform by means of creeping. The invention also relates to a tool for implementing said method.
C22F 1/18 - Métaux réfractaires ou à point de fusion élevé ou leurs alliages
B21D 26/00 - Mise en forme sans coupage, autrement qu'en utilisant des dispositifs ou outils rigides, des masses souples ou élastiques, p. ex. mise en forme en appliquant une pression de fluide ou des forces magnétiques
81.
NICKEL SUPERALLOY AND PARTS MADE FROM SAID SUPERALLOY
The invention relates to a nickel superalloy having the following composition, the concentrations of the different elements being expressed as wt-%: Formula (I), the remainder consisting of nickel and impurities resulting from the production of said superalloy. In addition, the composition satisfies the following equation, wherein the concentrations of the different elements are expressed as atomic percent: Formula (II).
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
82.
NICKEL SUPERALLOY AND PARTS MADE FROM SAID SUPERALLOY
The invention relates to a nickel superalloy having the following composition, the concentrations of the different elements being expressed as wt-%: Formula (I), the remainder consisting of nickel and impurities resulting from the production of said superalloy. In addition, the composition satisfies the following equation, wherein the concentrations of the different elements are expressed as atomic percent: Formula (II).
C22C 1/02 - Fabrication des alliages non ferreux par fusion
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
83.
METHOD FOR PRODUCING MARTENSITIC STEEL WITH MIXED HARDENING
The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature for the last heat shaping pass of said steel is less than the solubility temperature of the aluminum nitrides in said steel, and the heat treatment temperature for each optional heat treatment after said last heat shaping pass is less than the solid-state solubility temperature of the aluminum nitrides in said steel.
The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature for the last heat shaping pass of said steel is less than the solubility temperature of the aluminum nitrides in said steel, and the heat treatment temperature for each optional heat treatment after said last heat shaping pass is less than the solid-state solubility temperature of the aluminum nitrides in said steel.
C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 9/28 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour arbres lisses
C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
C22C 38/40 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel
C22C 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
85.
Hardened martensitic steel having a low or zero content of cobalt, method for producing a component from this steel, and component obtained in this manner
the remainder being iron and inevitable impurities resulting from the production operation.
Method of producing a component from this steel and a component obtained in this manner.
The invention relates to a method for producing a blank for a piece made from a superalloy based on Ni, wherein an alloy is produced and thermal treatments are carried out, characterised in that: said superalloy contains at least 2.5% of the total as Nb and Ta, a thermal treatment is carried out in a number of steps, a first step between 850 and 1,0000C for at least 20 minutes to precipitate the phase δ on the grain joints, a second step at a temperature above that of the first step, permitting a partial dissolution of the phase δ obtained in the first step, an aging treatment comprising a third step and optionally one or more supplementary steps at a temperature mower than that of the first step and which permit a precipitation of the hardening phases γ' and γ". The invention further relates to a corresponding piece.
C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages
C22C 19/03 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel
C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
87.
METHOD FOR THERMALLY PROCESSING A TITANIUM ALLOY, AND RESULTING PART
The invention relates to a method for thermally processing a Ti 5-5-5-3 titanium alloy having the following composition in wt %: - between 4.4 and 5.7% of aluminium, - between 4.0 and 5.5% of vanadium, - between 0.30 and 0.50% of iron, - between 4.0 and 5.5% of molybdenum, - between 2.5 and 3.5% of chromium, - between 0.08 and 0.18% of oxygen, - up to 0.10% of carbon traces, - up to 0.05% of nitrogen traces, - up to 0.30% of zirconium traces, - up to 0.15% of silicon traces, the remaining percentage consisting of titanium and impurities; characterised in that the thermal processing of said alloy comprises: heating the alloy up to a first level of 800 to 840°C below the β-transus thereof; maintaining the first temperature level for a duration of 1 to 3 hours; cooling the alloy down to a second level of 760 to 800°C without intermediate reheating; maintaining the second temperature level for a duration of 2 to 5 hours; cooling the alloy down to ambient temperature; heating the alloy up to a third level of 540 and 650°C, maintaining the third temperature level for a duration of 4 to 20 hours; and cooling down the alloy to ambient temperature. The invention also relates to the part resulting from said method.
The invention concerns martensitic stainless steel, characterized in that its composition in weight percentages is as follows: 9%=Cr=13%; 1.5%=Mo=3%; 8%=Ni=14%; 1%=Al=2%; 0.5%=Ti=1.5% with AI+Ti=2.25%; traces=Co=2%; traces=W=1% with Mo+(W/2)=3%; traces=P=0.02%; traces=S=0.0050%; traces=N=0.0060%; traces=C=0.025%; traces=Cu=0.5%; traces=Mn=3%; traces=Si=0.25%; traces=O=0.0050%; and is such that: Ms (° C.)=1302 42 Cr 63 Ni 30 Mo+20AI-15W-33Mn-28Si-30Cu-13Co+10 Ti=50Cr eq/Ni eq=1.05 with Cr eq (%)=Cr+2Si+Mo+1.5 Ti+5.5 AI+0.6W Ni eq (%)=2Ni+0.5 Mn+3O C+25 N+Co+0.3 Cu. The invention also concerns a method for making a mechanical part using said steel, and the resulting part.
The invention relates to a method for preparing a nickel superalloy part by: - developing a nickel superalloy from a composition capable of hardening through double precipitation of a gamma' phase and a gamma" or delta phase; - spraying a molten mass of said superalloy to obtain a powder; - sifting said powder; - placing said powder in a container; - closing and placing the container in a vacuum; - densifying the powder and the container to obtain an ingot or billet; - hot forming said ingot or said billet; characterized in that, before the densifying step, the powder and the container are heated for at least 4 hours to a temperature that is both greater than 1,140°C and less than the solidus temperature of the superalloy by 10°C at a pressure causing a densification less than or equal to 15% of the powder volume. The invention also relates to a part thus produced.
Process for preparing a nickel-based superalloy part by powder metallurgy: - manufacture of a superalloy with the composition 18 % ≤ Cr ≤ 24 %; 6 % ≤ Mo ≤ 10 %; 2.5 % ≤ Nb ≤ 5 %; traces ≤ Fe ≤ 10 %; traces ≤ Al ≤ 1 %; 0.5 % ≤ Ti ≤ 2.5 %; traces ≤ B ≤ 0,01 %; traces ≤ Mn ≤ 0.35 %; traces ≤ Si ≤ 0.2 %; traces ≤ C ≤ 0.05 %; traces ≤ Co ≤ 2 %; traces ≤ Ta ≤ 0.5 %; traces ≤ Mg ≤ 0.05 %; traces ≤ P ≤ 0.015 %; traces ≤ S ≤ 0.01 %; the rest being nickel and impurities; - atomisation of a molten mass of said superalloy in order to obtain a powder; - screening of said powder; - introduction of the powder into a container; - closure of and application of a vacuum to the container; - densification of the powder and the container by pressurizing them both in order to obtain an ingot or a billet; - hot forming of said ingot or said billet; The densification process is carried out at 500 to 1500 bar, at a temperature at which the fraction by volume of liquid phase in the superalloy is between 0.5 and 10 %, the temperature and the pressure being maintained for 3 to 16 h, and the forging being carried out without intermediate heat treatment after the densification of the powder. A hot formed part thus produced.
The invention relates to a method for transforming steel blanks. The invention in particular relates to a method for transforming a steel blank comprising kneading in order to obtain very good mechanical properties. The obtained products may notably be used for forming a pressure device component.
C21D 8/10 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de corps tubulaires
92.
HARDENED MARTENSITIC STEEL HAVING A LOW COBALT CONTENT, PROCESS FOR MANUFACTURING A PART FROM THIS STEEL, AND PART THUS OBTAINED
Hardened martensitic steel having a low cobalt content, process for manufacturing a part from this steel, and part thus obtained. The steel is characterized in that its composition is, in percentages by weight: C = 0.18–0.30%; Co = 1.5 - 4%; Cr = 2–5%; Al = 1–2%; Mo + W/2 = 1–4%; V = traces - 0.3%; Nb = traces - 0.1%; B = traces – 30 ppm; Ni = 11–16%, where Ni ≥ 7 + 3.5 Al; Si = traces - 1.0%; Mn = traces - 4.0%; Ca = traces - 20 ppm; rare earths = traces – 100 ppm; if N ≤ 10 ppm, Ti + Zr/2 = traces – 100 ppm, where Ti + Zr/2 ≤ 10N; if 10 ppm < N ≤ 20 ppm, Ti + Zr/2 = traces – 150 ppm; O = traces – 50 ppm; N = traces – 20 ppm; S = traces – 20 ppm; Cu = traces – 1%; P = traces – 200 ppm, the balance being iron and inevitable impurities resulting from the smelting. Process for manufacturing a part from this steel, and part thus obtained.
The invention concerns a method for making a unitary spark ignition valve, characterized in that it consists in preparing and casting a steel made up in wt. % of: 0.45%≦C 0.55%; 12%≦Cr≦18%; 1%≦Si≦2.5%; traces≦Mn≦2%; 0.2%≦V≦0.5%; traces≦Mo≦0.5%; 0.05%≦N≦0.15%, with 0.55%≦C+N≦0.70%; traces≦Ni≦1%; traces≦Cu≦0.25%, or Cu≦0.5 Ni if Cu>0.25%; traces≦Co≦1%; traces≦W≦0.2%; traces≦Nb≦0.15%; traces≦AI≦0.025%; traces≦Ti≦0.010%; traces≦S≦0.030%; traces≦P≦0.040%; traces≦B≦0.0050%; the balance being iron and impurities resulting from the preparation; in transforming by hot thermomechanical process, for example, by rolling and/or forging between 1000 and 1200° C.; optionally soft annealing, between 650 and 900° C. for 2 to 8 hours followed by air or furnace cooling; and performing the final thermal or thermomechanical treatments which will impart to the valve its shape and its final properties, including hot-shaping by forging or extrusion, and in a final manufacturing step a localized surface quenching, such as a high-frequency quenching, a plasma or a laser shock quenching, performed on certain parts of the valve. The invention also concerns a unitary spark ignition engine valve obtained by said method.
C21D 8/00 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique
F01L 3/02 - Emploi de matériaux spécifiques pour corps de soupapes ou leurs siègesCorps de soupapes ou sièges de soupapes composés de plusieurs matériaux différents
C21D 1/10 - Durcissement de surface par application directe d'énergie électrique ou ondulatoireDurcissement de surface par radiation particulaire par induction électrique
C21D 6/00 - Traitement thermique des alliages ferreux
C21D 7/13 - Modification des propriétés physiques du fer ou de l'acier par déformation par travail à chaud
C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
C21D 10/00 - Modification des propriétés physiques autrement que par traitement thermique ou déformation
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 38/18 - Alliages ferreux, p. ex. aciers alliés contenant du chrome
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 38/52 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du cobalt
C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
F01L 3/04 - Corps de soupapes ou sièges de soupapes ayant un revêtement
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 1/00 - Procédés ou dispositifs généraux pour le traitement thermique, p. ex. recuit, durcissement, trempe ou revenu
94.
MARTENSITIC STAINLESS STEEL, METHOD FOR MAKING PARTS FROM SAID STEEL AND PARTS THUS MADE
The invention relates to a martensitic stainless steel characterised in that it comprises in weight percent: - 0.22% ឬ C ឬ 0.32% - 0.05% ឬ N ឬ 0.15%, with 0.33% ឬ C+N ឬ 0.43% - 10% ≤ Cr ≤ 12.4% - 0.10% ≤ V ≤ 0.40% - 0.10% ≤ Mo ≤ 1.0% - traces ឬ Ni ≤ 1.0% - traces ឬ Mn ឬ 1.0% - traces ឬ Si ឬ 1.0% - traces ≤ W ≤ 1.0% - traces ឬ Co ឬ 1.0% - traces ≤ Cu ≤ 1.0% - traces ឬ Ti ឬ 0.010% - traces ≤ Nb ≤ 0.050% - traces ≤ Al ≤ 0.050% - traces ឬ S ឬ 0.020% - traces ឬ O ឬ 0.0040% - traces ឬ P ឬ 0.03% - traces ឬ B ឬ 0.0050% - traces ឬ Ca ឬ 0.020% - traces ឬ Se ឬ 0.010% - traces ឬ La ឬ 0.040% - traces ឬ Ce ឬ 0.040%, the balance consisting of iron and impurities resulting from the production. The invention also relates to a method for producing a part made of such a steel and to the part thus obtained, as a mould element for the production of plastic articles.
Steel characterized in that its composition is, in percentages by weight: - C = 0.20 - 0.30%; - Co = traces - 1%; - Cr = 2 - 5%; - Al = 1 - 2%; - Mo + W/2 = 1 - 4%; - V = traces - 0.3%; - Nb = traces - 0.1%; - B = traces - 30 ppm; - Ni = 11 - 16% with Ni ≥ 7 + 3.5 Al; - Si = traces - 1.0%; - Mn = traces - 2.0%; - Ca = traces - 20 ppm; - rare earths = traces - 100 ppm; - when N ឬ 10 ppm, Ti + Zr/2 = traces - 100 ppm with Ti + Zr/2 ឬ 10 N; - when 10 ppm ឬ N ឬ 20 ppm, Ti + Zr/2 = traces - 150 ppm; - O = traces - 50 ppm; - N = traces - 20 ppm; - S = traces - 20 ppm; - Cu = traces - 1%; - P = traces - 200 ppm, the remainder being iron and inevitable impurities resulting from the smelting. Process for manufacturing a part from this steel, and part thus obtained.
The invention concerns martensitic stainless steel, characterized in that its composition in weight percentages is as follows: 9 % = Cr = 13 %; 1.5 % = Mo = 3 %; 8 % = Ni = 14 %; 1 % = Al = 2 %; 0.5 % = Ti = 1.5 % with AI + Ti = 2.25 %; traces = Co = 2 %; traces = W = 1 % with Mo + (W/2) = 3 %; traces = P = 0.02 %; traces = S = 0.0050 %; traces = N = 0.0060 %; traces = C = 0.025 %; traces = Cu = 0.5 %; traces = Mn = 3 %; traces = Si = 0.25 %; traces = O = 0.0050 %; and is such that: Ms (°C) = 1302 42 Cr 63 Ni 30 Mo + 20AI - 15W - 33Mn - 28Si - 30Cu - 13Co + 10 Ti = 50Cr eq / Ni eq = 1 .05 with Cr eq (%) = Cr + 2Si + Mo + 1.5 Ti + 5.5 AI + 0.6W Ni eq (%) = 2Ni + 0.5 Mn + 3O C + 25 N + Co + 0.3 Cu. The invention also concerns a method for making a mechanical part using said steel, and the resulting part.
The invention relates to steel which is characterised by the following composition as expressed in percentages by weight: - C = 0.18 0.30 %, - Co = 5 -7 %, - Cr = 2 - 5 %, - Al = 1 - 2 %, - Mo + W/2 = 1 - 4 %, - V = trace 0.3 %, - Nb = trace 0.1 %, - B = trace - 50 ppm, - Ni = 10.5 - 15 % with Ni >= 7 + 3.5 Al, - Si = trace 0.4 %, - Mn = trace 0.4 %, - Ca = trace - 500 ppm, - Rare earths = trace - 500 ppm, - Ti = trace - 500 ppm, - O = trace - 200ppm if the steel is obtained by means of powder metallurgy or trace - 50 ppm if the steel is produced in air or under a vacuum from molten metal, - N = trace - 100 ppm, - S = trace - 50 ppm, - Cu = trace - 1 %, and - P = trace - 200 ppm, the remainder comprising iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
Unwrought and semi-wrought metals and their alloys, namely, steel, nickel, aluminum and titanium in coil, profiled sections, billet, bar, sheet, strip, plate, tube, rod and ingot form and semi-finished castings, forgings, metal stampings and extrusions for further manufacture in the automobile, aeronautic, shipbuilding, space, railway and medical industries
Base metals and alloys thereof; steel, unwrought or
semi-wrought; stainless steel. Surgical, medical, dental and veterinary articles and
instruments; orthopedic articles; suture materials.
Base metals and alloys thereof; metal building materials;
transportable buildings of metal; non-electrical metallic
cables and wires; ironmongery and small items of metal
hardware, metal pipes; steel, unwrought or semi-wrought;
martensitic stainless steel.
