发明名称 |
STEEL FOR COLD WORKING TOOL |
摘要 |
The present invention relates to a steel for cold working tool, containing, on a % by mass basis: C: 0.70% to 0.90%; Si: 0.60% to 0.80%; Mn: 0.30% to 0.50%; P: 0.30% or less; S: 0.030% or less; Cu: 0.01% to 0.25%; Ni: 0.01% to 0.25%; Cr: 6.0% to 7.0%; Mo + 1/2W: 2.50% to 3.00%; V: 0.70% to 0.85%; N: 0.020% or less; O: 0.0100% or less; and Al: 0.100% or less, with the balance being Fe and inevitable impurities, in which 1.66 (Mo + 1/2W) + V < 5.7% is satisfied. |
申请公布号 |
EP2957647(A2) |
申请公布日期 |
2015.12.23 |
申请号 |
EP20150171821 |
申请日期 |
2015.06.12 |
申请人 |
DAIDO STEEL CO.,LTD. |
发明人 |
IBUKI, MOTOHIRO;SHIMIZU, TAKAYUKI |
分类号 |
C22C38/00;C21D1/18;C21D6/00;C21D6/02;C22C38/02;C22C38/04;C22C38/06;C22C38/42;C22C38/44;C22C38/46;C22C38/48;C22C38/50 |
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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