Q235B API 5L PSL1 PSL2 HFW Steel Pipe For Structural Field
ERW tubes and profiles are mainly used in the construction and housing-and-municipal sectors.
Gas and water steel pipes are mainly used for water and gas piping at residential and industrial buildings. Such products are popular because in many regions it is unacceptable to install pipes made of other materials. In particular, using plastic for gas pipelines is banned by the standards and regulations applicable in many countries.
Key geometric dimensions of water and gas pipes include nominal diameter, wall thickness and length. Nominal pipe size (nominal diameter) is a nominal indicator of the system used for the accurate selection of components (pipes, fittings, etc). It is the average inside diameter of a pipe. To calculate it, the real inside diameter value is rounded to the closest value accepted in the standard. Pipes with a similar outside diameter that are intended for normal or high-pressure applications have different wall thickness, although their inside bore may be similar.
At a customer’s request, pipe ends may be bevelled, threaded and complete with couplings. Requirements may also include deburring or limited burr height.
Water and gas pipes undergo hydrostatic tests to confirm that they are capable of withstanding a certain pressure in the system. It is acceptable not to carry out hydrostatic tests should a pipe weld be subject to 100% of NDT (ultrasonic, eddy-current, X-ray, etc). That said, the manufacturer shall guarantee that pipes are capable of withstanding the test pressure.
| Usage: | Used for construction field |
| ERW : | Electric Resistance Welded pipe |
| HFI: | High Frequency Induction weld pipe |
| EFW: | Electric Fusion Welded Pipe |
| Standard: | EN10219 |
| Certificate: | ISO 9001, ISO 14001, OHSAS 18001, API 5L PSL1&PSL2, CE (CPR & PED) |
| Out Diameter: | 114.3mm - 660.4mm (4"-26") |
| Wall Thk: | 4mm-22mm |
| Length: | 3M-18M |
| Steel Grade: | EN10219: S275, S275JR, S355JRH, S355J2H |
| Surface: | bare pipe |
| Tests: | Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test. |
| MTC: | EN 10204/3.1B, EN 10204/3.2 (with Third Party Inspection) |
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