牌號(hào) |
化學(xué)成分(%) | ||||||||||
|
C |
Si |
Mn |
P |
S |
W |
V |
Al |
Cr |
Mo |
Ni |
0.14-0.18 |
0.20-0.50 |
1.20-1.70 |
≤0.025 |
≤0.015 |
0.10-0.70 |
0.05-0.12 |
0.01-0.06 |
≤0.80 |
0.20-0.40 |
≤0.40 |