直径8mm的孔公差值为H13是多大?_线膨胀系数

博主:adminadmin 2022-12-16 04:36:09 条评论
摘要:H13热作模具钢化学成分%:C0.320.45,Si0.801.20,Mn0.200.50,Cr4.7...
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  H13热作模具钢化学成分%:

  C0.320.45,

  Si0.801.20,

  Mn0.200.50,

  Cr4.755.50,

  Mo1.101.75线膨胀系数,

  V0.801.20,

  p小于等于0.030,

  S小于等于0.030;

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