(1)合金結(jié)構(gòu)鋼的化學(xué)成分(表2-95)表2-95合金結(jié)構(gòu)鋼的化學(xué)成分牌號化學(xué)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] >>