3. 塑料模具鋼

(1)塑料模具鋼的化學(xué)成分(表2-153)表2-153塑料模具鋼的化學(xué)成分牌號(hào)碳硅錳鉻鉬碳素塑料模具鋼(YB/T094—1997)SM45SM50SM550.42～0.480.47～0.530.52～0.580.17～0.370.17～0.370.17～0.370.50～0.800.50～0.800.50～0.80——————預(yù)硬化型塑料模具鋼(GB/T1 ......（本文共 6366 字 ）     [閱讀本文] >>