(1)冷作模具鋼的化學(xué)成分(表2-147)表2-147冷作模具鋼的化學(xué)成分牌號(hào)碳硅錳鉻鉬高碳低合金冷作模具鋼(GB/T1299—2000)9Mn2V0.85~0.95≤0.401.70~2.00——9SiCr9CrWMnCrWMnCr20.85~0.950.85~0.950.90~1.050.95~1.101.20~1.60≤0.400.15~0.35≤0.400.30~0.600. (共 13105 字) [閱讀本文] >>
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 (1)冷作模具鋼的化學(xué)成分(表2-147)表2-147冷作模具鋼的化學(xué)成分牌號(hào)碳硅錳鉻鉬高碳低合金冷作模具鋼(GB/T1299—2000)9Mn2V0.85~0.95≤0.401.70~2.00——9SiCr9CrWMnCrWMnCr20.85~0.950.85~0.950.90~1.050.95~1.101.20~1.60≤0.400.15~0.35≤0.400.30~0.600. (共 13105 字) [閱讀本文] >>