| 发明名称 |
Non-heat treated wire or bar steel for springs |
| 摘要 |
A non-heat treated wire or bar steel for springs which is characterized by having in its as-rolled state a tensile strength of 120-150 kgf/mm2 and a bending breakage rate no higher than 15% when tested according to JIS Z-2248 under the condition of r/d=2.8 where r (mm) denotes the inside radius of the bending curvature and d (mm) denotes the diameter of the as-rolled stock.
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| 申请公布号 |
US6206984(B1) |
申请公布日期 |
2001.03.27 |
| 申请号 |
US19990303603 |
申请日期 |
1999.05.03 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
INADA ATSUSHI;YOSHIHARA NAO;IBARAKI NOBUHIKO |
| 分类号 |
C22C38/00;C21D8/06;C21D9/02;C22C38/26;C22C38/28;C22C38/32;C22C38/38;(IPC1-7):C21D7/00 |
主分类号 |
C22C38/00 |
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