(1)碳素工具鋼的化學(xué)成分(表2-138)表2-138碳素工具鋼的化學(xué)成分牌號化學(xué)成分/%碳錳硅≤硫≤磷≤T7T8T8MnT9T10T11T12T13T7AT8AT8MnAT9AT10AT11AT12AT13A0.65~0.750.75~0.840.80~0.900.85~0.940.95~1.041.05~1.141.15~1.241.25~1.350.65~0.750.75~0.840.80~0.900.8 (共 1957 字) [閱讀本文] >>
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 (1)碳素工具鋼的化學(xué)成分(表2-138)表2-138碳素工具鋼的化學(xué)成分牌號化學(xué)成分/%碳錳硅≤硫≤磷≤T7T8T8MnT9T10T11T12T13T7AT8AT8MnAT9AT10AT11AT12AT13A0.65~0.750.75~0.840.80~0.900.85~0.940.95~1.041.05~1.141.15~1.241.25~1.350.65~0.750.75~0.840.80~0.900.8 (共 1957 字) [閱讀本文] >>