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Forged Steel Block 1.2738 For Making High Demand Large Plasic Mould Chemical Composition(%): Grade C Si Mn P S Cr Mo Ni P20+Ni 0.30-0.40 0.20-0.50 1.00-1.50 ≤0.030 ≤0.030 1.50-2.00 0.25-0.40 0.80-1...