Complaint
| Inner diameter(mm) | wall thickness(mm) | ||
| Nominal | Tolerance | Min. | Max. |
| 0.5, 0.8 | ±0.2 | 0.15 | 0.3 |
| 1, 1.5, 2 | ±0.2 | 0.15 | 0.4 |
| 2.5, 3, 3.5 | ±0.2 | 0.15 | 0.5 |
| 4, 5, 6 | ±0.3 | 0.2 | 0.6 |
| 7, 8 | ±0.3 | 0.2 | 0.6 |
| 9, 10 | ±0.5 | 0.3 | 0.8 |
| 12, 14 | ±1.0 | 0.3 | 0.8 |
| 16, 18, 20 | ±1.0 | 0.4 | 1.0 |
| 22, 25, 30 | ±2.0 | 0.5 | 1.5 |
