C | Si | Mn | P | S |
Cr (注1) |
Ni (注1) |
Cu (注1) |
Mo (注1) |
Al (注2) |
Ti |
≤0.22 | ≤0.55 | ≤1.7 | ≤0.04 | ≤0.035 | ≤0.3 | ≤0.5 | ≤0.4 | ≤0.35 | ≤0.1 | ≤0.04 |
微合金元素见注4 | CE(注3)≤0.48 |
厚度mm | 屈服强度MPa | 抗拉强度MPa | 延伸率% |
>8-12 | ≥360 | ≥450 | ≥20 |
>12-20 | ≥350 | ||
>20-80 | ≥340 | ||
>80-150 | ≥330 | ||
>150-200 | ≥330 |