
公称口径
| (mm) | 外径 (mm) | 壁厚 (mm) | 理论重量 (kg/m) | 公称口径 (mm) | 外径 (mm) | 壁厚 (mm) | 理论重量 (kg/m) | 公称口径 (mm) | 外径 (mm) | 壁厚 (mm) | 理论重量 (kg/m) |
| 15 | 20.5 | 1.8 | 0. | 32 | 42.4 | 3.0 | 3.04 | 100 | 113.0 | 2.8 | 7.96 |
| 20.5 | 1.9 | 0.93 | 42.4 | 3.25 | 3.26 | 114.3 | 3.0 | 8.58 | |||
| 20.8 | 2.0 | 0.99 | 42.4 | 3.5 | 3.48 | 114.3 | 3.25 | 9.25 | |||
| 20.8 | 2.1 | 1.03 | 40 | 47.5 | 2.5 | 2.92 | 114.3 | 3.6 | 10.18 | ||
| 21.3 | 2.2 | 1.10 | 48.3 | 2.8 | 3.28 | 114.3 | 3.8 | 10.70 | |||
| 21.3 | 2.3 | 1.14 | 48.3 | 3.0 | 3.49 | 114.3 | 4.0 | 11.23 | |||
| 21.3 | 2.4 | 1.18 | 48.3 | 3.25 | 3.75 | 125 | 139.0 | 3.0 | 10.49 | ||
| 21.3 | 2.6 | 1.26 | 48.3 | 3.5 | 4.01 | 139.7 | 3.25 | 11.36 | |||
| 21.3 | 2.8 | 1.34 | 50 | 59.5 | 2.5 | 3.69 | 139.7 | 3.6 | 12.51 | ||
| 20 | 26.0 | 1.8 | 1.15 | 60.3 | 2.8 | 4.15 | 139.7 | 3.8 | 13.16 | ||
| 26.0 | 1.9 | 1.20 | 60.3 | 3.0 | 4.42 | 139.7 | 4.0 | 13.81 | |||
| 26.3 | 2.0 | 1.27 | 60.3 | 3.25 | 4.75 | 139.7 | 4.25 | 14.62 | |||
| 26.3 | 2.1 | 1.33 | 60.3 | 3.4 | 4.95 | 139.7 | 4.5 | 15.43 | |||
| 26.9 | 2.2 | 1.42 | 60.3 | 3.6 | 5.21 | 150 | 1.0 | 3.25 | 13.39 | ||
| 26.9 | 2.3 | 1.47 | 60.3 | 3.8 | 5.47 | 165.0 | 3.5 | 14.45 | |||
| 26.9 | 2.4 | 1.53 | 65 | 84.7 | 2.8 | 5.20 | 165.0 | 3.8 | 15.61 | ||
| 26.9 | 2.6 | 1.63 | 76.1 | 3.0 | 5. | 165.0 | 4.0 | 16.39 | |||
| 26.9 | 2.8 | 1.74 | 76.1 | 3.25 | 6.07 | 165.0 | 4.2 | 17.16 | |||
| 25 | 33.0 | 2.2 | 1.77 | 76.1 | 3.6 | 6.66 | 165.0 | 4.5 | 18.32 | ||
| 33.0 | 2.3 | 1.84 | 76.1 | 3.8 | 7.00 | 168.3 | 4.0 | 16.72 | |||
| 33.7 | 2.4 | 1.95 | 76.1 | 4.0 | 7.34 | 168.3 | 4.2 | 17.51 | |||
| 33.7 | 2.6 | 2.09 | 80 | 87.5 | 2.8 | 6.11 | 168.3 | 4.5 | 18.69 | ||
| 33.7 | 2.8 | 2.23 | 88.9 | 3.0 | 6.62 | 200 | 219.1 | 4.0 | 21. | ||
| 33.7 | 3.0 | 2.37 | 88.9 | 3.25 | 7.13 | 219.1 | 4.5 | 24.49 | |||
| 33.7 | 3.2 | 2.50 | 88.9 | 3.6 | 7.84 | 219.1 | 5.0 | 27.07 | |||
| 32 | 41.8 | 2.5 | 2.55 | 88.9 | 3.8 | 8.24 | 219.1 | 5.5 | 29. | ||
| 42.4 | 2.8 | 2.86 | 88.9 | 4.0 | 8. | 219.1 | 6.0 | 32.20 |
2 根据需方要求,经供需双方协议,并在合同中注明,可供表中规定以外尺寸的钢管。
钢管外径、壁厚的允许偏差
| 公称外径D/mm | 管体外径允许偏差 | 管端外径允许偏差/mm (距管端100mm范围内) | 壁厚允许偏差 |
| D≤48.3 | ±0.5mm | - | ±10% |
| 48.3<D≤273.1 | ±1.0%D | - | |
| 273.1<D≤508 | ±0.75%D | +2.4,-0.8 | |
| D>508 | ±1.0%D或±10.0,两者取较小值 | +3.2,-0.8 |
