发明名称 Thrust bearing component
摘要 A thrust bearing component is formed of cold-reduced steel sheets and strip having surface roughness of Rmax<=2 mum and provided by cold rolling a high-carbon steel containing 0.9 wt % to 1.2 wt % of carbon, 1.2 wt % to 1.7 wt % of chrome, 0.1 wt % to 0.5 wt % of manganese, and 0.15 wt % to 0.35 wt % of silicon.
申请公布号 US2008035246(A1) 申请公布日期 2008.02.14
申请号 US20070882772 申请日期 2007.08.06
申请人 KAWAMURA TOMOAKI;WATANABE YASUYUKI;OBAYASHI KOUSUKE 发明人 KAWAMURA TOMOAKI;WATANABE YASUYUKI;OBAYASHI KOUSUKE
分类号 C23C8/32;C22C38/18 主分类号 C23C8/32
代理机构 代理人
主权项
地址