钢号①CSiMnCrMoWV耐冲击工具用钢4CrW2Si0.35-0.450.80-1.10≤0.401.00-1.30-2.00-2.50-5CrW2Si0.45-0.550.50-0.80≤0.401.00-1.30-2.00-2.50-6CrW2Si0.55-0.650.50-0.80≤0.401.00-1.30-2.20-2.70-6CrMnSi2MolV0.50-0.651.75-2.250.60-1.000.10-0.500.20-1.35-0.15-0.355C3rMn1SiMolV0.45-0.550.20-1.000.20-0.903.00-3.501.30-1.80-≤0.35
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