EN 10220 - Seamless Steel Tubes
European Standard - Dimensions (mm)
Column Legend
DN = Diameter Nominal (mm) OD = Outside Diameter (mm) WT = Available Wall Thickness options (mm)
Dimensions per EN 10220 - Seamless and welded steel tubes
| DN | OD (mm) | Available Wall Thickness (mm) |
|---|---|---|
| 6 | 10.2 | 1.6 | 2 | 2.3 |
| 8 | 13.5 | 2 | 2.3 | 2.6 |
| 10 | 17.2 | 2 | 2.3 | 2.6 | 2.9 |
| 15 | 21.3 | 2 | 2.3 | 2.6 | 2.9 | 3.2 |
| 20 | 26.9 | 2 | 2.3 | 2.6 | 2.9 | 3.2 | 3.6 |
| 25 | 33.7 | 2.6 | 2.9 | 3.2 | 3.6 | 4 |
| 32 | 42.4 | 2.6 | 2.9 | 3.2 | 3.6 | 4 | 4.5 |
| 40 | 48.3 | 2.6 | 2.9 | 3.2 | 3.6 | 4 | 4.5 | 5 |
| 50 | 60.3 | 2.9 | 3.2 | 3.6 | 4 | 4.5 | 5 | 5.6 |
| 65 | 76.1 | 2.9 | 3.2 | 3.6 | 4 | 4.5 | 5 | 5.6 | 6.3 |
| 80 | 88.9 | 3.2 | 3.6 | 4 | 4.5 | 5 | 5.6 | 6.3 | 7.1 |
| 100 | 114.3 | 3.6 | 4 | 4.5 | 5 | 5.6 | 6.3 | 7.1 | 8 | 8.8 |
| 125 | 139.7 | 4 | 4.5 | 5 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 |
| 150 | 168.3 | 4.5 | 5 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 |
| 200 | 219.1 | 5 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 |
| 250 | 273.0 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 |
| 300 | 323.9 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |
| 350 | 355.6 | 5.6 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |
| 400 | 406.4 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |
| 450 | 457.0 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |
| 500 | 508.0 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |
| 600 | 610.0 | 6.3 | 7.1 | 8 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 |