EN 10255 ERW Carbon Steel Tube
The standard applies to EN 10255 steel tubes with outside diameters between 10.2 mm and 16551 mm or with thread sizes between 1/8 and 6 inches. The standard also covers two series of EN 10255 non-alloy steel tubes, medium and heavy, and three specified thicknesses. Light, heavy and medium-duty EN 10255 rebar tubes are suitable for a variety of applications including fire protection, gas piping, HVAC piping, water piping (cold and hot water), and power poles. One of the main functions of these steel pipes is to transport fluids and oil.
| Standard | AISI, DIN, EN, GB, IS, JIS, ASTM, ASME Pipe |
|---|---|
| EFW Pipe size | 5.0 mm – 1219.2 mm |
| Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| wall thickness | 0.020" –0.220", (special wall thicknesses available) |
| Length | Single Random, Double Random, Standard & Cut length Pipe & Tube |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Form | Round, Hydraulic, 'U' bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc |
| Carbon Steel Type | Welded, Seamless, ERW, EFW, Fabricated Pipe, 'U' bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc |
| steel End | Plain End, Beveled End, Treaded Pipe & Tube |
| Application | Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Material Test Certificates (MTC) | Material Test Certificates (MTC) as per EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2, 100% Radiography Test Report, Raw Materials Certificate, Third Party Inspection Report, Fumigation Certificates, Heat Treatment Charts, CS EN 10255 DIN 2440 Pipe HS Code Commercial Invoice, Form A for Generalized System of Preferences (GSP) |
EN 10255 ERW Pipe Size Table
| 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 | |
| Light | 1/2" | 15 | 21.4 | 21 | 2 | 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 | 3.6 | 6.55 | 9.75 | 6.84 | 10 | |
| 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 | 5.62 | 8.37 | 5.8 | 8.54 | |
| 6" | 150 | 166.1 | 164.1 | 5 | 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 | 6.92 | 10.3 | 6.87 | 10.5 | |
| 6" | 150 | 166.1 | 164.1 | 5.4 | 14.31 | 21.3 | 14.7 | 21.9 | |
Tolerance of En 10255 Tube
| Execution | Size Range | OD Tolerance | Wall tolerance |
|---|---|---|---|
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall - 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm |
| Hot-rolled peeled tube | All sizesWall < 12 mmWall - 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) |
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 - 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
EN 10255 ERW Steel Pipe
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