发明名称 |
CASE-HARDENED STEEL AND CARBURIZED MATERIAL |
摘要 |
The present invention provides a case hardening steel, comprising a component composition including C: 0.10 mass % to 0.35 mass %; Si: 0.01 mass % to 0.50 mass %; Mn: 0.40 mass % to 1.50 mass %; P: 0.02 mass % or less; S: 0.03 mass % or less; Al: 0.04 mass % to 0.10 mass %; Cr: 0.5 mass % to 2.5 mass %; B: 0.0005 mass % to 0.0050 mass %; Nb: 0.003 mass % to 0.080 mass %; Ti: 0.003 mass % or less; N: less than 0.0080 mass %; and balance as Fe and incidental impurities. |
申请公布号 |
EP2530178(A4) |
申请公布日期 |
2017.01.11 |
申请号 |
EP20110736785 |
申请日期 |
2011.01.26 |
申请人 |
JFE Steel Corporation |
发明人 |
ICHIMIYA, Katsuyuki;HASE, Kazukuni;KIMURA, Hideto |
分类号 |
C22C38/00;C21D1/06;C21D6/00;C22C38/02;C22C38/04;C22C38/26;C22C38/28;C22C38/32;C22C38/54;C23C8/22;C23C8/80 |
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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