EN 10255 Welded Standard Steel Pipe
EN10255 is a non-alloy steel tubes specification suitable for welding and threading with Medium, Heavy, and three Light types of designated thickness. It is suitable for water lines (Cold & Hot), firefighting pipeline, HVAC lines, etc.
Example Size
Note: Some of the main specifications are shown below, please contact us for more details.
Tube | Nominal Size | Outside Diameter | Wall Thinkness | Mass of Black Tube | |||||
Max | Min | Plain End | Screwed and Socketed | ||||||
– | DN | mm | mm | mm | lb/ft | kg/m | lb/ft | kg/m | |
L2 | 1/2″ | 15 | 21.4 | 21.0 | 2.0 | 0.636 | 0.947 | 0.646 | 0.956 |
2″ | 50 | 60.2 | 59.6 | 2.9 | 2.74 | 4.08 | 2.81 | 4.15 | |
4″ | 100 | 113.9 | 113.0 | 3.6 | 6.55 | 9.75 | 6.84 | 10.0 | |
Medium | 1/2″ | 15 | 21.7 | 21.1 | 2.6 | 0.813 | 1.21 | 0.828 | 1.22 |
3″ | 80 | 89.5 | 88.1 | 4.0 | 5.62 | 8.37 | 5.80 | 8.54 | |
6″ | 150 | 166.1 | 164.1 | 5.0 | 13.24 | 19.7 | 13.3 | 20.3 | |
Heavy | 1/2″ | 15 | 21.7 | 21.1 | 3.2 | 0.968 | 1.44 | 0.983 | 1.45 |
3″ | 80 | 89.5 | 88.1 | 5.0 | 6.92 | 10.3 | 6.87 | 10.5 | |
6″ | 150 | 166.1 | 164.1 | 5.4 | 14.31 | 21.3 | 14.7 | 21.9 | |
One-stop service to facilitate your purchase
The Lai Group continues to provide service and support after your purchase. To save you time, we offer you numerous value-added services such as processing, logistics management and testing.
Processing Services:
- OEM & ODM
- Protective Coatings
- Saw and Flame Cutting
- Beveling, Threading and Grooving
