热轧无缝钢管的理论重量表如下:
| 径(mm) | 壁厚(mm) | 理论重量(kg/m) |
|--------|----------|----------------|
| 2.5| 3| 32 |
| 2.5| 3.5 | 2.15 |
| 2.5| 4| 2.46 |
| 2.5| 4.5 | 2.76 |
| 2.5| 5| 3.05 |
| 2.5| 5.5 | 3.33 |
| 2.5| 6| 3.59 |
| 2.5| 6.5 | 3.85 |
| 2.5| 7| 4.09 |
| 2.5| 7.5 | 4.32 |
| 2.5| 8| 4.53 |
| 3 | 2.5 | 38 |
| 3 | 3| 2.19 |
| 3 | 3.5 | 2.59 |
| 3 | 4| 2.98 |
| 3 | 4.5 | 3.36 |
| 3 | 5| 3.73 |
| 3 | 5.5 | 4.11 |
| 3 | 6| 4.47 |
| 3 | 6.5 | 4.83 |
| 3 | 7| 5.19 |
| 3 | 7.5 | 5.55 |
| 3.5| 2.5 | 40 |
| 3.5| 3| 2.72 |
| 3.5| 3.5 | 3.09 |
| 3.5| 4| 3.44 |
| 3.5| 4.5 | 3.77 |
| 3.5| 5| 4.14 |
| 3.5| 5.5 | 4.49 |
| 3.5| 6| 4.82 |
| 3.5| 6.5 | 5.16 |
| 3.5| 7| 5.50 |
| 3.5| 7.5 | 5.84 |
| 4 | 2.5 | 46 |
| 4 | 3| 3.18 |
| 4 | 3.5 | 3.53 |
| 4 | 4| 3.86 |
| 4 | 4.5 | 4.19 |
| 4 | 5| 4.51 |
| 4 | 5.5 | 4.83 |
| 4 | 6| 5.15 |
| 4 | 6.5 | 5.47 |
| 4 | 7| 5.79 |
| 4 | 7.5 | 6.11 |
| 4.5| 2.5 | 52 |
| 4.5| 3| 3.67 |
| 4.5| 3.5 | 4.01 |
| 4.5| 4| 4.33 |
| 4.5| 4.5 | 4.65 |
| 4.5| 5| 4.96 |
| 4.5| 5.5 | 5.27 |
| 4.5| 6| 5.