| Specification | Minimum burst pressure(MPA) | Min pipe ring strength(N) | long-term hydrostatic strength(Mpa) | working temperature for cold pipe | working temperature for hot pipe |
| 1216 | 7 | 2300 | 2.7 | -40~60°C | -40~95°C |
| 1418 | 6 | 2300 | 2.7 | ||
| 1620 | 6 | 2300 | 2.7 | ||
| 2025 | 5 | 2500 | 2.7 | ||
| 2632 | 4 | 2500 | 2.3 | ||
| 3240 | 4 | 3500 | 2.1 |