一种在同种钢铁成分下制备355MPa不同等级的热轧H型钢的方法及热轧H型钢
By employing different universal rolling control methods and selective cooling devices under the same steel composition, the problem of producing hot-rolled H-beams with different low-temperature resistance grades under the same steel composition has been solved, achieving efficient production and performance improvement.
CN116197236BActive Publication Date: 2026-07-17МААНЬШАНЬ АЙРОН ЭНД СТИЛ КО ЛТД
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- МААНЬШАНЬ АЙРОН ЭНД СТИЛ КО ЛТД
- Filing Date
- 2023-03-20
- Publication Date
- 2026-07-17
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Figure CN116197236B_ABST
Abstract
本发明公开了一种在同种钢铁成分下制备355MPa不同等级的热轧H型钢的方法及热轧H型钢，所述方法包括以下步骤：转炉冶炼→吹氩精炼→异形坯连铸→坯料加热→开坯轧制→万能轧制→轧后空冷；通过对万能轧制的过程进行不同的控制来实现在同种钢铁成分下制备出355MPa级B、C、D等级热轧H型钢，该方法便于钢厂坯料的组产，提高生产效率。
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