- 专利标题： COLD ROLLED AND CONTINUOUSLY ANNEALED HIGH STRENGTH STEEL STRIP AND METHOD FOR PRODUCING SAID STEEL
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申请号： EP08717056.9申请日： 2008-02-22
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公开(公告)号： EP2115178B1公开(公告)日： 2018-06-20
- 发明人: HANLON, David Neal , VLOT, Margot Julia
- 申请人： Tata Steel IJmuiden BV
- 申请人地址： Wenckebachstraat1 NL-1951 JZ VELSEN-NOORD NL
- 专利权人： Tata Steel IJmuiden BV
- 当前专利权人： Tata Steel IJmuiden BV
- 当前专利权人地址： Wenckebachstraat1 NL-1951 JZ VELSEN-NOORD NL
- 代理机构： Kruit, Jan
- 优先权： EP07003811 20070223; EP07004331 20070302
- 国际公布： WO2008102009 20080828
- 主分类号： C22C38/02
- IPC分类号： C22C38/02 ; C22C38/04 ; C22C38/06 ; C23C2/06 ; C21D9/46 ; B32B15/01 ; C22C18/00 ; C22C18/02 ; C22C38/38
摘要：
Cold rolled and continuously annealed high strength steel strip including (in wt %): 0.04-0.30% C, 1.0-3.5% Mn, 0-1.0% Si, 0-2.0% Al, 0-1.0% Cr, 0-0.02% P, 0-0.01% S, 0-0.25% V, 0-0.1% Nb, 0-0.20% Ti, 0-0.015% N, 0-0.010% B, unavoidable impurities, balance iron, provided with a hot dip galvanized or galvannealed zinc alloy coating layer, wherein the zinc alloy is 0.3-4.0% Mg and 0.05-6.0% Al; optionally at most 0.2% of one or more additional elements; unavoidable impurities; the remainder being zinc, and method for producing it.
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