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2024
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Invention
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460 mpa-grade extra-thick hot-rolled h-shaped steel and production method therefor. A 460 MPa-gra... |
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Invention
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Production method for improving z-direction performance of heavy hot-rolled h-section steel, and ... |
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2023
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Invention
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Steel for economical, long-service-life and high-power wind power yaw bearing ring, bearing ring ... |
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Invention
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Low-silicon nb-v composite microalloyed gear steel and manufacturing method therefor. A low-silic... |
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Invention
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Steel for high-toughness corrosion-resistant christmas tree valve bodies smelted at high scrap ra... |
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Invention
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High-strength and high-toughness steel with long service life and wall thickness of ≥ 600 mm for ... |
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Invention
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Long-service-life high-toughness corrosion-resistant steel for subsea christmas tree valve and he... |
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2022
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Invention
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Heavy hot-rolled h section steel with z-direction performance and production method therefor. Dis... |
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Invention
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Hot-rolled h-shaped steel and production method therefor. Disclosed in the present invention is h... |
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Invention
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Pre-coated steel plate for hot forming and preparation method therefor, and hot-formed steel memb... |
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Invention
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Hot-formed steel having blue or light blue aluminum alloy plating layer, hot forming process, and... |
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2021
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Invention
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Extra thick hot rolled h section steel and production method therefor. The present invention disc... |
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Invention
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Top hat steel rolling method and top hat steel. Disclosed are a top hat steel rolling method and ... |
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Invention
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Super-thick-gauge hot rolled h-beam and production method therefor. Disclosed in the present inve... |
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2020
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Invention
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-165°c-low-temperature-resistant rebar mechanical connection coupler for lng storage tank and pro... |
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2019
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Invention
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Continuous casting solidification process control method for inhibiting growth of columnar crysta... |
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Invention
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Method for improving fluidity of solid-liquid two-phase region in middle and late solidification ... |
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Invention
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Method for controlling structure of solidified cast ingot in continuous casting process and contr... |
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2018
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G/S
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Non-machined or semi-machined ordinary metals (terms too
vague in the opinion of the Internation... |
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G/S
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Non-machined or semi-machined ordinary metals; powder
metallurgy; big billet (metallurgy); iron ... |
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Invention
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Synchronous control method based on synchronous control system for lifting hydraulic cylinders of... |
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2017
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Invention
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High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportatio... |
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Invention
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High toughness bainitic steel wheel for rail transit, and manufacturing method therefor. A high t... |
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Invention
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Low cost lean production bainitic steel wheel for rail transit, and manufacturing method therefor... |
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2014
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Invention
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Single-impregnating-tube vacuum refining device and use thereof. A single-impregnating-tube (1) v... |
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2013
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Invention
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Straight barrel type vacuum refining device and method for use the same. Provided is a straight b... |
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Invention
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Straight barrel type vacuum refining device and method for use the same. A straight barrel type v... |
