发明名称 |
High strength bolt |
摘要 |
A high strength bolt made of a steel having a specifically defined chemical composition, i.e., by weight C: 0.30-0.50%; Si: not more than 0.15%; Mn: not more than 0.40%; Cr: 0.30-1.50%; Mo: 0.10-0.70%; and V: 0.15-0.40%, the balance being Fe and inevitable impurities such as P, S, etc. in trace amount. The manufacturing method therefor is featured in a strictly controlled heat treatment in respect to the temperature range such as: hardening by quenching from 940 DEG +/-10 DEG C. and tempering 575 DEG +/-25 DEG C.
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申请公布号 |
US4778652(A) |
申请公布日期 |
1988.10.18 |
申请号 |
US19850802608 |
申请日期 |
1985.11.25 |
申请人 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA;NAGOYA SCREW MFG. CO. LTD;DAIDO TOKUSHUKO KABUSHIKI KAISHA |
发明人 |
FUKIZAWA, KAZUNORI;HIGUCHI, MITSUSHI;NAMIKI, KUNIO |
分类号 |
F16B35/00;C21D9/00;C22C38/00;C22C38/22;C22C38/24;C22C38/28;(IPC1-7):C22C38/22 |
主分类号 |
F16B35/00 |
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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