C | Si | Mn | P | S | Al | Cr | Mo | V | Ni | Cu | Ti | Nb |
0.15-0.22 | 0.3-0.6 | 1-1.6 | ≤0.035 | ≤0.03 | ≥0.02 | ≤0.25 | ≤0.1 | ≤0.03 | ≤0.3 | ≤0.3 | ≤0.03 | ≤0.01 |
厚度mm | 屈服强度Mpa | 抗拉强度Mpa | 延伸率% |
≤16 | 355 | 510-650 | ≥20 |
>16-40 | 345 | ||
>40-60 | 335 | ||
>60-100 | 315 | 490-630 | |
>100-150 | 295 | 480-630 |