SPHEROIDAL GRAPHITE CAST IRON FOR AN ENGINE EXHAUST SYSTEM
    2.
    发明申请
    SPHEROIDAL GRAPHITE CAST IRON FOR AN ENGINE EXHAUST SYSTEM 审中-公开
    用于发动机排气系统的SPHEROIDAL石墨铸铁

    公开(公告)号:US20170016098A1

    公开(公告)日:2017-01-19

    申请号:US15120651

    申请日:2015-02-06

    IPC分类号: C22C37/10 F01N13/10 C22C37/04

    摘要: A spheroidal graphite cast iron for a component of an engine exhaust system includes carbon ranging from about 3.0 wt % to about 3.4 wt %, silicon ranging from about 4.2 wt % to about 4.5 wt %, manganese ranging from about 0.1 wt % to about 0.3 wt %, sulfur ranging from about 0.002 wt % to about 0.01 wt %, phosphorous in a range equal to or less than about 0.05 wt %, magnesium ranging from about 0.035 wt % to about 0.055 wt %, molybdenum ranging from about 0.9 wt % to about 1.2 wt %, nickel ranging from about 0.2 wt % to about 0.5 wt %, vanadium ranging from about 0.4 wt % to about 0.6 wt %, niobium ranging from about 0.1 wt % to about 0.4 wt %, cerium ranging from about 0.005 wt % to about 0.01 wt %, aluminum ranging from about 0.003 wt % to about 0.007 wt %, and a remainder of iron.

    摘要翻译: 用于发动机排气系统的组件的球墨铸铁包括约3.0重量%至约3.4重量%的碳,约4.2重量%至约4.5重量%的硅,约0.1重量%至约0.3重量%的锰 重量%,约0.002重量%至约0.01重量%的硫,约等于或小于约0.05重量%的磷,约0.035重量%至约0.055重量%的镁,约0.9重量% 至约1.2重量%的镍,约0.2重量%至约0.5重量%的镍,约0.4重量%至约0.6重量%的钒,约0.1重量%至约0.4重量%的铌,约0.005重量% wt%至约0.01wt%,铝范围为约0.003wt%至约0.007wt%,余量为铁。