ERW Pipe
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ERW Pipe
ERW pipe is manufactured by cold forming a flat steel strip into a rounded tube and passing it through a series of forming rollers to obtain a longitudinal seam. The two edges are then simultaneously heated with a high frequency current and squeezed together to produce a bond.
Leading provider and exporter of ERW pipes constructed from premium raw materials is Superior Steel Overseas.
Advantages of ERW Steel Pipe
Advantages of ERW steel pipe compared with seamless steel pipe are following below:
- High dimensional accuracy. ERW steel pipe diameter and wall thickness than the seamless steel pipe deviation is much smaller, because of the high dimensional accuracy of strip rolling and pipe material control.
- Good mechanical properties. As the ERW steel pipe with easy control of rolling, with the welding technology and on-line heat treatment technology, the performance of the weld can be controlled, so straight seam welded steel pipe elongation than seamless steel pipe 8% -10% higher, which Is because the straight seam electric-welded pipe carbon content of less than 12% lower than the seamless tube.
- ERW steel pipe with high concentricity, uniform wall thicknessAfter heat treatment, the microstructure is uniform and has a strong ability to collapse.
ERW Pipe Table structure
| Size | 1/2 inch, 3/4 inch, 2 inch, 3 inch |
|---|---|
| Unit Length | 3m, 6m |
| Material | Stainless Steel,Nickel Alloy,Carbon Steel |
| Outer Diameter (Millimeter) | 3.2 mm – 76.2 mm |
| Shape | Round |
| Technique | Cold Drawn |
| Tensile Strength (Mpa) | 325 MPA |
| Thickness (Millimeter) | 1 mm – 15 mm |
| Dimension | 3.2-76.2 mm*1-15 mm |
| Elongation | Upto 35% |
| Section Shape | Round |
| Yield Point | 180 MPA |
