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D2 1.2379 SKD11 Alloy Steel For Cold working mold With Thickness 8-80mm Chemical Composition (%) C Si Mn P S Cr Mo V 1.4-1.6 0.30-0.5 0.3-0.5 ≤0.030 ≤0.030 11-13 0.5 0.22 Characteristics 1. A kind of ...