مشخصات فنی لوله های گاز
| Size | thickness min | Plus Tolerance | Outside Diameter min | Outside Diameter min | max Out for roundness |
|---|---|---|---|---|---|
| 20 | 3.0 | 0.4 | 20.0 | 20.3 | 1.2 |
| 25 | 3.0 | 0.4 | 25.0 | 25.3 | 1.2 |
| 32 | 3.0 | 0.4 | 32.0 | 32.3 | 1.3 |
| 40 | 3.7 | 0.5 | 40.0 | 40.4 | 1.4 |
| 50 | 4.6 | 0.6 | 50.0 | 50.4 | 1.4 |
| 63 | 5.8 | 0.7 | 63.0 | 63.4 | 1.5 |
| 75 | 6.8 | 0.8 | 75.0 | 75.5 | 1.6 |
| 90 | 8.2 | 1.0 | 90.0 | 90.6 | 1.8 |
| 110 | 10 | 1.1 | 110.0 | 110.7 | 2.2 |
| 125 | 11.4 | 1.3 | 125.0 | 125.8 | 2.5 |
| 140 | 12.7 | 1.4 | 140.0 | 140.9 | 2.8 |
| 160 | 14.6 | 1.6 | 160.0 | 161 | 3.2 |
| 180 | 16.4 | 1.8 | 180.0 | 181.1 | 3.6 |
| 200 | 18.2 | 2.0 | 200.0 | 201.2 | 4.0 |