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发明名称
鉛快削鋼
摘要
被削性に優れた鉛快削鋼を提供する。本実施形態による鉛快削鋼は、質量%で、C:0.005〜0.2%、Mn:0.3〜2.0%、P:0.005〜0.2%、S:0.01〜0.7%、Pb:0.03〜0.5%、N:0.004〜0.02%、及び、O:0.003〜0.03%を含有し、残部はFe及び不純物からなる。さらに、鋼中の0.01〜0.5μmの円相当径を有するPb介在物(40)の数が10000個/mm2以上である。
申请公布号
JPWO2014125770(A1)
申请公布日期
2017.02.02
申请号
JP20150500126
申请日期
2014.01.23
申请人
新日鐵住金株式会社
发明人
橋村 雅之;渡里 宏二
分类号
C22C38/00;C22C38/60
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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