(1)高速工具鋼的化學(xué)成分(表2-144)表2-144高速工具鋼的化學(xué)成分牌號(hào)化學(xué)成分/%碳鎢鉬鉻釩W18Cr4VW18Cr4VCo5W18Cr4V2Co8W12Cr4V5Co5W6Mo5Cr4V2CW6Mo5Cr4V2W6Mo5Cr4V3CW6Mo5Cr4V30.70~0.800.70~0.800.75~0.851.50~1.600.80~0.900.95~1.051.0~1.11.15~1.2517.5~19.017.5~ (共 4200 字) [閱讀本文] >>