钢号 | C | Si | Mn | P | S | Al | N | Cr | Cu | Mo | Nb | Ni | Ti | V |
1.8935 | ≤0.2 | ≤0.6 | 1.1-1.7 | ≤0.025 | ≤0.01 | ≥0.02 | ≤0.025 | ≤0.3 | ≤0.7 | ≤0.1 | ≤0.05 | ≤0.8 | ≤0.03 | ≤0.2 |
钢号 | 标称厚度t mm |
屈服强度ReH MPa 小值 |
拉强度Rm MPa |
断后伸长A% 小值 |
1.8935 | ≤16 | 460 | 570-730 | 16 |
16<t≤40 | 445 | 570-720 | ||
40<t≤60 | 430 | |||
60<t≤100 | 400 | 540-710 | ||
100<t≤150 | 380 | 520-690 | ||
150<t≤250 | 370 | 510-690 |