发明公开
EP2753725A1 LOW DENSITY HIGH STRENGTH STEEL AND METHOD FOR PRODUCING SAID STEEL
有权
生产该钢低密度和方法具有较高的强度
- 专利标题: LOW DENSITY HIGH STRENGTH STEEL AND METHOD FOR PRODUCING SAID STEEL
- 专利标题(中): 生产该钢低密度和方法具有较高的强度
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申请号: EP12704434.5申请日: 2012-02-21
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公开(公告)号: EP2753725A1公开(公告)日: 2014-07-16
- 发明人: LIU, Cheng , RANA, Radhakanta
- 申请人: Tata Steel Nederland Technology B.V.
- 申请人地址: Wenckebachstraat 1 1951 JZ Velsen-Noord NL
- 专利权人: Tata Steel Nederland Technology B.V.
- 当前专利权人: Tata Steel Nederland Technology B.V.
- 当前专利权人地址: Wenckebachstraat 1 1951 JZ Velsen-Noord NL
- 代理机构: Bodin, Andre
- 优先权: EP11180669 20110909
- 国际公布: WO2013034317 20130314
- 主分类号: C22C38/04
- IPC分类号: C22C38/04 ; C22C38/06 ; C21D8/02 ; C22B23/02
摘要:
The present invention relates to a low density high strength steel sheet comprising 0.15% to 0.25% C, 2.5% to 4% Mn, 0.02% or less P, 0. 015% or less S, 6% to 9% Al and 0.01% or less N, the balance being iron and inevitable impurities, wherein 1.7•(Mn-Al) + 52.7•C is at least 3 and at most 4.5 and to a method of producing said low density and high strength steel sheet.
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