EN10255 seamless steel tube is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and cutting. The advantage of seamless steel is the ability of withstanding higher pressure.
EN10255 is a non-alloy steel tubes specification suitable for welding and threading with Medium, Heavy, and L type of designated thickness. It is suitable for water lines (Cold & Hot), firefighting pipeline, HVAC lines, etc.
Available size for Heavy series
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 3.2 | 5.0 | P1401 |
| 3/4″ / DN20 / 26.9mm | 3.2 | 5.0 | P1402 |
| 1″ / DN25 / 33.7mm | 4.0 | 5.0 | P1403 |
| 1-1/4″ / DN32 / 42.4mm | 4.0 | 5.0 | P1404 |
| 1-1/2″ / DN40 / 48.3mm | 4.0 | 5.0 | P1405 |
| 2″ / DN50 / 60.3mm | 4.5 | 5.0 | P1406 |
| 2-1/2″ / DN65 / 76.1mm | 4.5 | 5.0 | P1407 |
| 3″ / DN80 / 88.9mm | 5.0 | 5.0 | P1408 |
| 4″ / DN100 / 114.3mm | 5.4 | 5.0 | P1409 |
| 5″ / DN125 / 139.7mm | 5.4 | 5.0 | P1410 |
| 6″ / DN150 / 165.1mm | 5.4 | 5.0 | P1411 |
Available size for Medium series
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 2.6 | 5.0 | P1421 |
| 3/4″ / DN20 / 26.9mm | 2.6 | 5.0 | P1422 |
| 1″ / DN25 / 33.7mm | 3.2 | 5.0 | P1423 |
| 1-1/4″ / DN32 / 42.4mm | 3.2 | 5.0 | P1424 |
| 1-1/2″ / DN40 / 48.3mm | 3.2 | 5.0 | P1425 |
| 2″ / DN50 / 60.3mm | 3.6 | 5.0 | P1426 |
| 2-1/2″ / DN65 / 76.1mm | 3.6 | 5.0 | P1427 |
| 3″ / DN80 / 88.9mm | 4.0 | 5.0 | P1428 |
| 4″ / DN100 / 114.3mm | 4.5 | 5.0 | P1429 |
| 5″ / DN125 / 139.7mm | 5.0 | 5.0 | P1430 |
| 6″ / DN150 / 165.1mm | 5.0 | 5.0 | P1431 |
Available size for Type L2
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 2.0 | 5.0 | P1441 |
| 3/4″ / DN20 / 26.9mm | 2.3 | 5.0 | P1442 |
| 1″ / DN25 / 33.7mm | 2.6 | 5.0 | P1443 |
| 1-1/4″ / DN32 / 42.4mm | 2.6 | 5.0 | P1444 |
| 1-1/2″ / DN40 / 48.3mm | 2.9 | 5.0 | P1445 |
| 2″ / DN50 / 60.3mm | 2.9 | 5.0 | P1446 |
| 2-1/2″ / DN65 / 76.1mm | 3.2 | 5.0 | P1447 |
| 3″ / DN80 / 88.9mm | 3.2 | 5.0 | P1448 |
| 4″ / DN100 / 114.3mm | 3.6 | 5.0 | P1449 |
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