Metric Tubing Sizes
inner diameter |
wall thickness |
outer diameter |
max. working pressure |
| mm | mm | mm | |
| 1.0 +/- 0.2 | 1.0 +/- 0.15 | 3.0 | 25 |
| 2.0 +/- 0.2 | 1.0 +/- 0.15 | 4.0 | 20 |
| 3.0 +/- 0.2 | 1.0 +/- 0.15 | 5.0 | 17 |
| 4.0 +/- 0.2 | 1.0 +/- 0.15 | 6.0 | 13 |
| 5.0 +/- 0.25 | 1.0 +/- 0.15 | 7.0 | 10 |
| 6.0 +/- 0.25 | 1.0 +/- 0.15 | 8.0 | 10 |
| 8.0 +/- 0.3 | 1.0 +/- 0.15 | 10.0 | 8 |
| 10.0 +/- 0.3 | 1.0 +/- 0.15 | 12.0 | 7 |
| 12.0 +/- 0.35 | 1.0 +/- 0.15 | 14.0 | 7 |
| 14.0 +/- 0.35 | 1.0 +/- 0.15 | 16.0 | 5 |
| 16.0 +/- 0.4 | 1.0 +/- 0.15 | 18.0 | 5 |
| 18.0 +/- 0.4 | 1.0 +/- 0.15 | 20.0 | 4 |
| 20.0 +/- 0.4 | 1.0 +/- 0.15 | 22.0 | 3 |
| 22.0 +/- 0.5 | 1.5 +/- 0.2 | 25.0 | 3 |
| 25.0 +/- 0.5 | 1.5 +/- 0.2 | 28.0 | 3 |
| Temperature | -50 | +20 | +65 | +100 | +150 | +200 | +250 |
| Burst pressure | 100% | 100% | 100% | 50% | 30% | 20% | 10% |