| 发明名称 |
Steel for machine construction having excellent cold forgeability and machinability |
| 摘要 |
A steel for machine construction having excellent cold forgeability and machinability, the steel having a composition of below 0.6% C, below 0.35% Si, below 1.65% Mn, below 3.5% Ni, below 3.5% Cr, below 0.35% Mn, 0.010-0.10% Al and below 0.002% B, the rest being Fe and impurities with limited contents of Ca in the range of 0.0005-0.05%, S of below 0.12% and Al2O3 inclusion of below 0.002%.
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| 申请公布号 |
US4431445(A) |
申请公布日期 |
1984.02.14 |
| 申请号 |
US19810281675 |
申请日期 |
1981.07.09 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
FURUSAWA, SADAYOSHI;TAKESHITA, HIDEO;KOHOKA, TSUYOSHI;KOARAI, JIRO;IWATA, SHUJI |
| 分类号 |
C22C38/00;(IPC1-7):C22C38/00;C22C38/18;C22C38/40 |
主分类号 |
C22C38/00 |
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