C | Mn | Si | CR | Ni | Cu | Mo | S | P | v |
≤ 0.15 | 0.5-2.5 | ≤0.9 | 28-32 | 8-10.5 | ≤0.75 | ≤0.75 | ≤0.03 | ≤0.04 | * |
Résistance à la traction RM (MPa) | Allongement A4 (%) |
≥ 660 | ≥ 22 |