m42HRC61-63是什么材料

Question

如题所述

Answer 1

m42是高速钢，HRC61-63是该钢淬火后可以达到的硬度。
m42高速钢化学成份：
C :1.00~1.15
Si :≥0.65
Mn :≥0.40
P :≥0.030
S :≥0.030
Cr :3.50~4.50
V :0.95~1.35
W :1.15~1.85
Mo :9.0~10.0
CO :7.50~8.50