W10Mo4Cr4V3Co10 High Speed Steel
C: 1.20~1.35
Mn: ≤0.40
Si: ≤0.45
S:≤0.030
P: ≤0.030
Cr: 3.80~4.50
V: 3.00~3.50
W: 9.00~10.00
Mo: 3.20~3.90
Co: 9.50~10.50
