(1)合金結構鋼的化學成分(表2-95)表2-95合金結構鋼的化學成分牌號化學成分/%碳硅錳鉻鉬20Mn230Mn235Mn240Mn245Mn250Mn220MnV0.17~0.240.27~0.340.32~0.390.37~0.440.42~0.490.47~0.550.17~0.240.17~0.370.17~0.370.17~0.370.17~0.370.17~0.370.17~0.370.17~0. (共 21576 字) [閱讀本文] >>
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 (1)合金結構鋼的化學成分(表2-95)表2-95合金結構鋼的化學成分牌號化學成分/%碳硅錳鉻鉬20Mn230Mn235Mn240Mn245Mn250Mn220MnV0.17~0.240.27~0.340.32~0.390.37~0.440.42~0.490.47~0.550.17~0.240.17~0.370.17~0.370.17~0.370.17~0.370.17~0.370.17~0.370.17~0. (共 21576 字) [閱讀本文] >>