发明名称 |
Steels for hot working press tools. |
摘要 |
<p>A steel for hot working press tool consisting essentially of C: 0.05-0.35 wt%, Si: 0.80-2.5 wt%, Mn: 0.10-2.0 wt%, Cr: 7.0-13.0 wt%, Mo: 0.50-3.0 wt%, V: 0.10-0.60 wt%, N: 0.005-0.10 wt%, the balance being iron and inevitable impurities, and optionally containing Al: 0.005-0.5 wt% and/or REM: 0.005-0.02 wt%, with the proviso that Cr equivalent = Cr + 6Si + 4Mo + 11V + 12A l - 40C - 2Mn - 30N(wt%) </= 16.</p> |
申请公布号 |
EP0338133(A2) |
申请公布日期 |
1989.10.25 |
申请号 |
EP19880121328 |
申请日期 |
1988.12.20 |
申请人 |
KAWASAKI STEEL CORPORATION |
发明人 |
OHORI, MANABU TECHNICAL RESEARCH DIVISION;KOSHIZUKA, NORIAKI TECHNICAL RESEARCH DIVISION;KATAOKA, YOSHIHIRO TECHNICAL RESEARCH DIVISION;UEDA, SHUZO TECHNICAL RESEARCH DIVISION |
分类号 |
C22C38/00;C22C38/22;C22C38/24;C22C38/34 |
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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