Phone: +8621 3378 0199
E-mail:sales@sunnysteel.com
ERW pipes means Electric Resistance Welded Pipes. ERW steel pipes and tubes are used.
ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes.
Technical requirements | For oil and gas transport |
For low pressure fluid conveying |
Material | Gr.b | Gr.b |
Pipe body diameter |
D<508mm, ±0.75%; D≥508mm, ±0.75% |
D≤168.3, ±1.0%; 168.3<D≤508,±0.75%; |
Wall thickness | D<508mm,+15.0%,-12.5%; D≥508mm, +17.5%,-10% |
±12.5% |
Bending | ≤0.2% |
≤0.2% |
Ovality |
D≥508mm,≤±1% |
≤±0.75% |
Bevel |
≤1.59mm |
≤5mm |
Hydrostatic testing |
100% |
100% |
Nondestructive testing |
100% non-destructive weld inspection |
Ultrasonic flaw detection is 100% |
ERW pipe technical requirements
ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc.![]() |
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Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.