发明名称 |
LOW CARBON RESULFURIZED FREE-MACHINING STEEL HAVING HIGH MACHINABILITY |
摘要 |
A low carbon resulfurized free-machining steel having a high machinability is provided. This steel comprises 0.02 to 0.15% by mass of C, up to 0.004% by mass (more than 0% by mass) of Si, 0.6 to 3% by mass of Mn, 0.02 to 0.2% by mass of P, 0.2 to 1% by mass of S, up to 0.005% by mass (more than 0%) of Al, 0.008 to 0.04% by mass of O, and 0.002 to 0.03% by mass of N; and the average oxygen concentration in the MnS in the steel is at least 0.4% by mass.
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申请公布号 |
CA2620388(C) |
申请公布日期 |
2011.06.21 |
申请号 |
CA20062620388 |
申请日期 |
2006.09.07 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
SAKAMOTO, KOICHI;YAGUCHI, HIROSHI;YOSHIDA, ATSUHIKO;ANAN, GORO;FUKUOKA, YOSHITERU |
分类号 |
C22C38/00;C21C7/00;C21C7/04;C21C7/06;C22C38/60 |
主分类号 |
C22C38/00 |
代理机构 |
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