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 (1)优质碳素结构钢的化学成分(表2-89)表2-89优质碳素结构钢的化学成分牌号化学成分/%碳硅锰铬镍铜≤08F10F15F0810152025300.05~0.110.07~0.130.12~0.180.05~0.110.07~0.130.12~0.180.17~0.230.22~0.290.27~0.34≤0.03≤0.07≤0.070.17~0.370.17~0.370.17~ (共 5589 字) [阅读本文] >>