787 浏览螺旋管理论重量公式：（外径 - 壁厚）*壁厚*0.0246615=每米重量（千克/米）在线计算
螺旋管理论重量表：（见下表）
| 规格 | 壁厚 | 米重 | 规格 | 壁厚 | 米重 |
| 219 | 6 | 31.52 | 720 | 6 | 106.15 |
| 219 | 7 | 36.6 | 720 | 7 | 123.59 |
| 219 | 8 | 41.63 | 720 | 8 | 140.97 |
| 273 | 6 | 39.51 | 720 | 9 | 158.31 |
| 273 | 7 | 45.92 | 720 | 10 | 175.6 |
| 273 | 8 | 52.28 | 720 | 12 | 210.02 |
| 325 | 6 | 47.7 | 820 | 7 | 140.85 |
| 325 | 7 | 55.4 | 820 | 8 | 160.7 |
| 325 | 8 | 63.04 | 820 | 9 | 180.5 |
| 377 | 6 | 55.4 | 820 | 10 | 200.26 |
| 377 | 7 | 64.37 | 820 | 11 | 219.96 |
| 377 | 8 | 73.3 | 820 | 12 | 239.62 |
| 377 | 9 | 82.18 | 920 | 8 | 180.43 |
| 377 | 10 | 91.01 | 920 | 9 | 202.7 |
| 426 | 6 | 62.25 | 920 | 10 | 224.92 |
| 426 | 7 | 72.83 | 920 | 11 | 247.22 |
| 426 | 8 | 82.97 | 920 | 12 | 269.21 |
| 426 | 9 | 93.05 | 1020 | 8 | 200.16 |
| 426 | 10 | 103.09 | 1020 | 9 | 224.89 |
| 478 | 6 | 70.34 | 1020 | 10 | 249.58 |
| 478 | 7 | 81.81 | 1020 | 11 | 274.22 |
| 478 | 8 | 93.23 | 1020 | 12 | 298.81 |
| 478 | 9 | 104.6 | 1220 | 8 | 239.62 |
| 478 | 10 | 115.92 | 1220 | 10 | 298.9 |
| 529 | 6 | 77.89 | 1220 | 11 | 328.47 |
| 529 | 7 | 90.61 | 1220 | 12 | 357.99 |
| 529 | 8 | 103.29 | 1220 | 13 | 387.46 |
| 529 | 9 | 115.92 | 1420 | 10 | 348.23 |
| 529 | 10 | 128.49 | 1420 | 14 | 485.4 |
| 630 | 6 | 92.83 | 1620 | 12 | 476.37 |
| 630 | 7 | 108.05 | 1620 | 14 | 554.99 |
| 630 | 8 | 123.22 | 1820 | 14 | 627.04 |
| 630 | 9 | 138.33 | 2020 | 14 | 693.09 |
| 630 | 10 | 153.4 | 2220 | 14 | 762.15 |
