| 序 号 |
公称内径 DN/ID |
*小平均 内径 dim.min |
*小内径壁厚 e1.min |
*小层压 壁厚 emin |
*大螺距 pmax |
*小钢带 厚度 tmin |
*小防腐 层厚度 e2.min |
| 1 | 300 | 292 | 2.1 | 4.0 | 68 | 0.4 | 1.5 |
| 2 | 400 | 391 | 2.2 | 4.2 | 68 | 0.4 | 1.5 |
| 3 | 500 | 487 | 2.3 | 4.8 | 95 | 0.5 | 1.6 |
| 4 | 600 | 585 | 2.3 | 5.0 | 96 | 0.5 | 1.6 |
| 5 | 700 | 685 | 2.5 | 6.0 | 110 | 0.5 | 1.7 |
| 6 | 800 | 792 | 2.5 | 6.0 | 110 | 0.6 | 1.7 |
| 7 | 900 | 895 | 3.0 | 6.0 | 145 | 1.0 | 1.8 |
| 8 | 1000 | 1015 | 3.0 | 7.0 | 145 | 1.0 | 1.8 |
| 9 | 1200 | 1215 | 3.3 | 7.0 | 170 | 1.0 | 1.8 |
| 10 | 1400 | 1416 | 3.3 | 7.0 | 170 | 1.0 | 1.8 |
| 11 | 1500 | 1520 | 4.5 | 7.0 | 190 | 1.2 | 2.0 |
| 12 | 1600 | 1610 | 4.5 | 7.5 | 190 | 1.2 | 2.0 |
| 13 | 1800 | 1815 | 4.2 | 7.5 | 200 | 1.2 | 2.0 |
