Mark | C | Si | Mn | P | S | S+P | Cr | Mo | V | Ni | Cu |
37mn | 0.34~0.40 | 0.10~0.30 | 1.35~1,75 | ≤ 0.015 | ≤ 0.010 | ≤ 0.020 | ≤0,30 | - | - | ≤0,30 | ≤0,20 |
34CrMo4 | 0.30~0,37 | ≤0,40 | 0.60~0.90 | ≤ 0.015 | ≤ 0.010 | ≤ 0.020 | 1.9~1.2 | 0.15~0.3 | - | ≤0,30 | ≤0,20 |