Performance Characteristics: 1, Good toughness; 2, High abrasive resistance; 3, High hardenability; 4, less deformation in quenching. Applications: 1. Suitable to make the punch dies or drawing dies which are complicated in shape and high in precision; ??2. Suitable to??High-speed punch head and cold forging dies; ??3. Suitable to make the blanking dies and punching dies with a thickness. ??Chemical Composition (%): C Si Mn V Mo Cr S P 0.90~1.10 0.80~1.20 ?‰¤0.40 0.20~0.50 1.80~2.0 7.50~8.50 ?‰¤0.020 ?‰¤0.025 Delivery Condition: Annealed ???