发明名称 |
STEEL MATERIAL FOR WELDING AND METHOD FOR PRODUCING SAME |
摘要 |
<p>A steel for a welded structure includes the following composition: by mass%, C at a C content [C] of 0.010 to 0.065%; Si at a Si content [Si] of 0.05 to 0.20%; Mn at a Mn content [Mn] of 1.52 to 2.70%; Ni at a Ni content [Ni] of 0.10% to 1.50%; Ti at a Ti content [Ti] of 0.005 to 0.015%; O at a content [O] of 0.010 to 0.0045%; N at a N content [N] of 0.002 to 0.006%; Mg at a Mg content [Mg] of 0.003 to 0.003%; Ca at a Ca content [Ca] of 0.0003 to 0.03%; and the balance composed of Fe and unavoidable impurities. A steel component parameter P CTOD is 0.065% or less, and a steel component hardness parameter CeqH is 0.235% or less.</p> |
申请公布号 |
EP2400041(A1) |
申请公布日期 |
2011.12.28 |
申请号 |
EP20100777589 |
申请日期 |
2010.05.21 |
申请人 |
NIPPON STEEL CORPORATION |
发明人 |
WATANABE, YOSHIYUKI;FUKUNAGA, KAZUHIRO;KOJIMA, AKIHIKO;UEMORI, RYUJI;CHIJIIWA, RIKIO |
分类号 |
C22C38/00;B22D11/00;B23K35/30;C21D6/00;C21D8/02;C22C38/02;C22C38/04;C22C38/06;C22C38/08;C22C38/12;C22C38/14;C22C38/16 |
主分类号 |
C22C38/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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