1. 冷作模具鋼

(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. ......（本文共 13105 字 ）     [閱讀本文] >>