| 化学元素（质量分数）/% |
|||||||||
| 牌号 |
C |
Si |
Mn |
Ni |
V |
Mb |
Alt |
P |
S |
| 16MnDR |
≤0.20 |
0.15-0.50 |
1.20-1.60 |
— |
— |
— |
≥0.020 |
≤0.025 |
≤0.012 |
| 15MnNiDR |
≤0.18 |
0.15-0.50 |
1.20-1.60 |
0.20-0.60 |
≤0.06 |
≥0.020 |
≤0.025 |
≤0.012 |
|
| 09MnNiDR |
≤0.12 |
0.15-0.50 |
1.20-1.60 |
0.30-0.80 |
— |
≤0.04 |
≥0.020 |
≤0.020 |
≤0.012 |
