| 序號 | 公稱內徑 DN/ID | 小平均內徑dim,min | 小內層壁厚e1，min | 小層壓壁厚emin | 大螺距Pmax | 小鋼帶厚度tmin | 小防腐層厚度e2，min |
| 1 | 300 | 294 | 2.5 | 4.0 | 75 | 0.4 | 2.2 |
| 2 | 400 | 392 | 3.0 | 4.5 | 85 | 0.4 | 2.2 |
| 3 | 500 | 490 | 3.5 | 5.0 | 100 | 0.5 | 2.5 |
| 4 | 600 | 588 | 4.0 | 6.0 | 110 | 0.5 | 2.5 |
| 5 | 700 | 685 | 4.0 | 6.0 | 115 | 0.5 | 2.5 |
| 6 | 800 | 785 | 4.5 | 7.5 | 120 | 0.7 | 3.0 |
| 7 | 900 | 885 | 5.0 | 7.5 | 135 | 0.7 | 3.0 |
| 8 | 1000 | 985 | 5.0 | 8.0 | 150 | 0.7 | 3.0 |
| 9 | 1100 | 1085 | 5.0 | 8.0 | 165 | 0.7 | 3.0 |
| 10 | 1200 | 1185 | 5.0 | 8.0 | 180 | 0.7 | 3.0 |
| 11 | 1300 | 1285 | 5.0 | 8.0 | 210 | 1.0 | 3.0 |
| 12 | 1400 | 1385 | 5.0 | 8.0 | 210 | 1.0 | 3.0 |
| 13 | 1500 | 1485 | 5.0 | 8.0 | 220 | 1.0 | 3.0 |
| 14 | 1600 | 1585 | 5.0 | 9.0 | 230 | 1.0 | 3.5 |
| 15 | 1800 | 1785 | 5.0 | 9.0 | 230 | 1.0 | 3.5 |
| 16 | 2000 | 1985 | 6.0 | 9.0 | 235 | 1.0 | 3.5 |
| 17 | 2200 | 2185 | 6.0 | 9.0 | 235 | 1.2 | 3.5 |
| 18 | 2400 | 2385 | 6.0 | 10.0 | 235 | 1.2 | 3.5 |
| 19 | 2600 | 2585 | 6.5 | 10.0 | 240 | 1.2 | 3.5 |
| 項目 | 指標 | ||
| 環鋼度 | SN8 ≥ 8kN/㎡ | SN12.5 ≥ 12.5kN/㎡ | SN16 ≥ 16kN/㎡ |
| 沖擊強度 | SN8 12.5 ≥12.5kN/㎡ ≤ 10% | ||
| 剝離強度 | （20 ± 5 ℃ ）N/cm ≥70 | ||
| 環柔性 | 無分層 無開裂 | ||
| 烘箱試驗 | 無分層 無開裂 | ||
| 熔縫和焊縫的拉伸強度 | N≥1460 | ||
| 蠕變率 | ≤ 2 | ||
