H19模具钢化学成分:
C |
Mn |
P |
S |
Si |
Cr |
V |
W |
Mo |
Co |
0.32-0.45 |
0.2-0.5 |
0.03 |
0.03 |
0.2-0.5 |
4-4.75 |
1.75-2.2 |
3.75-4.5 |
03-0.55 |
4-4.5 |
H19模具钢执行标准:
ASTM A681-1999