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 (1)合金工具钢的钢号与化学成分(表2-141)表2-141合金工具钢的钢号与化学成分牌号化学成分/%碳硅锰铬量具刃具用钢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) [阅读本文] >>