部分钢管种类的化学成分和力学性能
2013-05-09 09:19 点击：
| 力学性能 | 化学成份 | |||||||||
| 屈服强度 | 抗拉强度 | 伸长率 | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | 不大于 | 不大于 | 不大于 | |||
| Q215AQ215B | 215 | 22 | 335-410 | 34-42 | 31 | 0.09-0.15 | 0.03 | 0.25-0.55 | 0.0500.045 | 0.045 |
| Q235AQ235B | 235 | 24 | 375-460 | 38-47 | 26 | 0.14-0.220.12-0.20 | 0.3 | 0.30-0.650.30-0.70 | 0.500.45 | 0.0450.045 |
| Q235C | ≤0.18 | 0.35-0.80 | 0.4 | 0.04 | ||||||
| Q235D | ≤0.17 | 0.35-0.80 | 0.035 | 0.035 | ||||||
| 16Mn(Q345B) | 345 | 35 | 510-600 | 51.6 | 22 | 0.12-0.20 | 0.20-0.55 | 1.2-1.6 | 0.045 | 0.045 |
| X42 | 289 | 29.5 | 413 | 42.1 | 0.28 | - | 1.25 | 0.03 | 0.03 | |
| X52 | 358 | 36.5 | 455 | 46.4 | 0.3 | - | 1.35 | 0.03 | 0.03 | |
| X56 | 386 | 39.4 | 489 | 49.9 | 0.26 | - | 1.35 | 0.03 | 0.03 | |
| X60 | 413 | 42.1 | 517 | 52.7 | 0.26 | - | 1.35 | 0.03 | 0.03 | |
| X65 | 448 | 45.7 | 530 | 54 | 0.26 | - | 1.4 | 0.03 | 0.03 | |
| X70 | 482 | 49.2 | 565 | 57.6 | 0.26 | - | 1.4 | |||
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