材质名称 | 管径 × 壁厚/mm × mm | 最大断面收缩率/% | 最大延伸率/% | 抗拉强度/MPa |
40CrNiMo | 20.1 × 7.2 | 57.1 | 13.9 | 987 |
7050 | 20.1 × 7.1 | 15.9 | 11.7 | 524 |
7A09 | 19.8 × 7.2 | 13.5 | 18.5 | 457 |
2A11 | 19.7 × 7.1 | 14.2 | 12.4 | 382 |
2A06 | 20.1 × 7.1 | 16.4 | 11.3 | 437 |