碳 |
硅 |
锰 |
磷 |
硫 |
≤0.2 | ≤1.00 | ≤3.00 | ≤0.045 | ≤0.030 |
镍 |
铬 |
抗拉强度 |
屈服强度 |
延伸率 |
8.0 |
17.0-19 .0 |
697 | 926 | 38 |