Performance Characteristics: 1,Excellent toughness, high intensity, Wear resistance. 2,High purity and excellent performance. Applications: Suitable for manufacturing the large and medium-sized forging die. Chemicial composition: C Si Mn Cr Mo Ni V P S 0.50~0.60 ≤0.35 0.5~0.8 0.8~0.1 0.8~1.1 1.4~1.8 0.1~0.3 ≤0.03 ≤0.015 Heat treatment: 1,Annealing temperature:760-780°C,Hardness:197-241HB 2, ...