M42高速钢的化学成分

　　C Si Mn P S Cr V W Mo CO 1.00~1.15 ≤0.65 ≤0.40 ≤0.030 ≤0.030 3.50~4.50 0.95~1.35 1.15~1.85 9.0~10.0 7.50~8.50