ERW steel tube is formed by rolling strip and welding the seam, with tighter dimensional tolerances and less weight. The weld seam is heat treated after welding that no untempered martensite remains, and the weld flash can be removed from both inner and outer surfaces.
EN10224 is a non-alloy steel tubes specification for the conveyance of water and other aqueous liquids. It is suitable for water lines (Cold & Hot), firefighting pipeline, HVAC lines, etc.
Available size
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 3/4″ / DN20 / 26.9mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0602 |
| 1″ / DN25 / 33.7mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0603 |
| 1-1/4″ / DN32 / 42.4mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0604 |
| 1-1/2″ / DN40 / 48.3mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0605 |
| 2″ / DN50 / 60.3mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0606 |
| 2-1/2″ / DN65 / 76.1mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0607 |
| 3″ / DN80 / 88.9mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0608 |
| 4″ / DN100 / 114.3mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0609 |
| 5″ / DN125 / 139.7mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0610 |
| 6″ / DN150 / 168.3mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0611 |
| 8″ / DN200 / 219.1mm | 2.0 / 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0612 |
| 10″ / DN250 / 273.0mm | 2.3 / 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0613 |
| 12″ / DN300 / 323.9mm | 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0614 |
| 14″ / DN350 / 355.6mm | 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0615 |
| 16″ / DN400 / 406.4mm | 2.6 / 2.9 / 3.2 / 3.6 | 7.0 | P0616 |
| 18″ / DN450 / 457mm | 3.2 / 3.6 | 7.0 | P0617 |
| 20″ / DN500 / 508mm | 3.2 / 3.6 | 7.0 | P0618 |
| 24″ / DN600 / 610mm | 3.2 / 3.6 | 7.0 | P0619 |
Available size
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 3/4″ / DN20 / 26.9mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0622 |
| 1″ / DN25 / 33.7mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0623 |
| 1-1/4″ / DN32 / 42.4mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0624 |
| 1-1/2″ / DN40 / 48.3mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0625 |
| 2″ / DN50 / 60.3mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0626 |
| 2-1/2″ / DN65 / 76.1mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0627 |
| 3″ / DN80 / 88.9mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0628 |
| 4″ / DN100 / 114.3mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0629 |
| 5″ / DN125 / 139.7mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0630 |
| 6″ / DN150 / 168.3mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0631 |
| 8″ / DN200 / 219.1mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0632 |
| 10″ / DN250 / 273.0mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0633 |
| 12″ / DN300 / 323.9mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0634 |
| 14″ / DN350 / 355.6mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0635 |
| 16″ / DN400 / 406.4mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0636 |
| 18″ / DN450 / 457mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0637 |
| 20″ / DN500 / 508mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0638 |
| 24″ / DN600 / 610mm | 4.0 / 4.5 / 5.0 / 5.4 / 5.6 / 6.3 | 7.0 | P0639 |
Available size
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 3/4″ / DN20 / 26.9mm | 7.1 / 8.0 | 7.0 | P0642 |
| 1″ / DN25 / 33.7mm | 7.1 / 8.0 / 8.8 | 7.0 | P0643 |
| 1-1/4″ / DN32 / 42.4mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 | 7.0 | P0644 |
| 1-1/2″ / DN40 / 48.3mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0645 |
| 2″ / DN50 / 60.3mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0646 |
| 2-1/2″ / DN65 / 76.1mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0647 |
| 3″ / DN80 / 88.9mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0648 |
| 4″ / DN100 / 114.3mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0649 |
| 5″ / DN125 / 139.7mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0650 |
| 6″ / DN150 / 168.3mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0651 |
| 8″ / DN200 / 219.1mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0652 |
| 10″ / DN250 / 273.0mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0653 |
| 12″ / DN300 / 323.9mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0654 |
| 14″ / DN350 / 355.6mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0655 |
| 16″ / DN400 / 406.4mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0656 |
| 18″ / DN450 / 457mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0657 |
| 20″ / DN500 / 508mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0658 |
| 24″ / DN600 / 610mm | 7.1 / 8.0 / 8.8 / 10.0 / 11.0 / 12.5 | 7.0 | P0659 |
Available size
| Size | Thickness (mm) | Test pressure (MPa) | Ref. No. |
|---|---|---|---|
| 3/4″ / DN20 / 26.9mm | / | 7.0 | P0662 |
| 1″ / DN25 / 33.7mm | / | 7.0 | P0663 |
| 1-1/4″ / DN32 / 42.4mm | / | 7.0 | P0664 |
| 1-1/2″ / DN40 / 48.3mm | / | 7.0 | P0665 |
| 2″ / DN50 / 60.3mm | 14.2 | 7.0 | P0666 |
| 2-1/2″ / DN65 / 76.1mm | 14.2 / 16.0 / 17.5 | 7.0 | P0667 |
| 3″ / DN80 / 88.9mm | 14.2 / 16.0 / 17.5 / 20.0 | 7.0 | P0668 |
| 4″ / DN100 / 114.3mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0669 |
| 5″ / DN125 / 139.7mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0670 |
| 6″ / DN150 / 168.3mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0671 |
| 8″ / DN200 / 219.1mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0672 |
| 10″ / DN250 / 273.0mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0673 |
| 12″ / DN300 / 323.9mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0674 |
| 14″ / DN350 / 355.6mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0675 |
| 16″ / DN400 / 406.4mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0676 |
| 18″ / DN450 / 457mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0677 |
| 20″ / DN500 / 508mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0678 |
| 24″ / DN600 / 610mm | 14.2 / 16.0 / 17.5 / 20.0 / 22.2 / 25.0 | 7.0 | P0679 |
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