S4(T41904)工具钢,S4(T41904),圆棒,板材,可切割毛料,洗磨精光板
S4(T41904)模具钢/工具钢(13524351833)
牌号:S4/T41904
标准:ASTM A681-08
化学成分:
碳 C:0.50~0.65
锰 Mn:0.60~0.95
磷 P:≤0.030
硫 S:≤0.030
硅Si:1.75~2.25
铬Cr:0.10~0.50
钒V:0.15~0.35



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