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2024
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Invention
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Ultrahigh-strength hot-rolled wire rod having 1600 mpa tensile strength grade and manufacturing m... |
|
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Invention
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2000 mpa grade vanadium-containing 55sicr spring steel hot-rolled wire rod and production process... |
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2023
|
Invention
|
Manufacturing method for and use of corrosion-resistant and low-temperature-resistant continuous-... |
|
|
Invention
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High-speed wire online heat treatment device and process based on energy recycling. A high-speed ... |
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2022
|
Invention
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Method for improving strength, toughness and uniformity of ultra-large-section non-quenched and t... |
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Invention
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Method for preparing non-quenched and tempered steel for large-specification direct cutting. A me... |
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2021
|
Invention
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Low-aluminum and high-titanium welding wire steel and smelting method therefor. The present inven... |
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2020
|
P/S
|
Steel sheets; steel strip; pipework of metal; building
materials of metal; fittings of metal for... |
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|
Invention
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600 mpa-grade steel bar for reinforced concrete and preparation method therefor. Disclosed are a ... |
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2018
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P/S
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Cast steel; iron, unwrought or semi-wrought; common metals, unwrought or semi-wrought; alloys of ... |
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P/S
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Cast steel; iron, unwrought or semi-wrought; common metals,
unwrought or semi-wrought; alloys of... |
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2014
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P/S
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Steel alloys; Steel strip; Steel, unwrought or semi-wrought; Common metals, unwrought or semi-wro... |
