发明名称 |
Spring steel having a good sag-resistance and a good hardenability |
摘要 |
A spring steel having a good sag-resistance and a good hardenability comprises by weight 0.5-0.8% carbon, 1.5-2.5% silicon, 1.6-2.5% manganese and a member or members selected from a group consisting of 0.05-0.5% vanadium, 0.05-0.5 niobium and 0.05-0.5% mobybdenum, the remainder being iron together with impurities. The steel may further contain a member or members selected from a group consisting 0.0005-0.01% boron, 0.2-1.0% chromium, 0.2-2.0% nickel and not greater than 0.3% rare-earth elements and/or a member or members selected from a group consisting of 0.03-0.1% aluminum, 0.02-0.1% titanium and 0.02-0.1% zirconium.
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申请公布号 |
US4544406(A) |
申请公布日期 |
1985.10.01 |
申请号 |
US19820405802 |
申请日期 |
1982.08.06 |
申请人 |
AICHI STEEL WORKS, LTD.;CHUO HATSUJO KABUSHIKI KAISHA |
发明人 |
YAMAMOTO, TOSHIRO;KOBAYASHI, RYOHEI;KURIMOTO, MAMORU;OZONE, TOSHIO |
分类号 |
C22C38/00;C22C38/04;C22C38/12;(IPC1-7):C22C38/26 |
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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