| 化学成分 |
C |
Mn |
Si |
S |
P |
Cu |
Ni |
Mo |
Cr |
Nb |
| 保证值 |
≤0.08 |
0.5~2.5 |
≤0.90 |
≤0.030 |
≤0.040 |
≤0.75 |
11.0~14.0 |
2.00~3.00 |
17.0~20.0 |
6xC~1.00 |
