海量資源,盡在掌握
 (1)合金工具鋼的鋼號與化學(xué)成分(表2-141)表2-141合金工具鋼的鋼號與化學(xué)成分牌號化學(xué)成分/%碳硅錳鉻量具刃具用鋼9SiCr8MnSi0.85~0.950.75~0.851.20~1.600.30~0.600.30~0.600.80~1.100.95~1.25—Cr06Cr29Cr2W1.30~1.450.95~1.100.80~0.951.05~1.25≤0.4 (共 1986 字) [閱讀本文] >>