| 钢号 | C | Si | Mn | P | S | Cr | Mo | V | Ni | Cu |
| 37Mn |
0.34- 0.40 |
0.10- 0.30 |
1.35- 1.75 |
≤0.020 | ≤0.020 | ≤0.30 | - | - | ≤0.30 | ≤0.20 |
| 30CrMo |
0.26- 0.34 |
0.17- 0.37 |
0.40- 0.70 |
≤0.020 | ≤0.020 |
0.80- 1.10 |
0.15- 0.25 |
- | ≤0.30 | ≤0.20 |
| 34Mn2V |
0.30- 0.37 |
0.17- 0.37 |
1.40- 1.75 |
≤0.020 | ≤0.020 | ≤0.30 | - |
0.07- 0.12 |
≤0.30 | ≤0.20 |
| 35CrMo |
0.32- 0.40 |
0.17- 0.37 |
0.40- 0.70 |
≤0.020 | ≤0.020 |
0.80- 1.10 |
0.15- 0.25 |
- | ≤0.30 | ≤0.20 |
| 34CrMo4 |
0.30- 0.37 |
≤0.40 |
0.60- 0.90 |
≤0.020 | ≤0.020 |
0.90- 1.20 |
0.15- 0.30 |
- | ≤0.30 | ≤0.20 |
| 30CrMnSiA |
0.28- 0.34 |
0.90- 1.20 |
0.80- 1.10 |
≤0.020 | ≤0.020 |
0.80- 1.10 |
≤0.10 | - | ≤0.30 | ≤0.20 |
| 钢级 | 抗拉强度(MPa) | 屈服强度(MPa) | 伸长率(%) | 冲击功(J) | |
| 温度(℃) | 吸收功(KV/J) | ||||
| 不小于 | |||||
| 37Mn | 750 | 630 | 16 | -50 | 27 |
| 30CrMo | 930 | 785 | 12 | -50 | 27 |
| 34Mn2V | 745 | 530 | 16 | -20 | 27 |
| 35CrMo | 980 | 835 | 12 | -50 | 27 |
| 34CrMo4 | 980 | 835 | 12 | -50 | 27 |
| 30CrMnSiA | 1080 | 885 | 10 | 室温 |
27 |
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