S4(T41904)工具鋼,S4(T41904),圓棒,板材,可切割毛料,洗磨精光板
S4(T41904)模具鋼/工具鋼(13524351833)
牌號:S4/T41904
標(biāo)準(zhǔn):ASTM A681-08
化學(xué)成分:
碳 C:0.50~0.65
錳 Mn:0.60~0.95
磷 P:≤0.030
硫 S:≤0.030
硅Si:1.75~2.25
鉻Cr:0.10~0.50
釩V:0.15~0.35



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