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ERW Steel Pipe

  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
  • ERW Steel Pipe
Detailed instructions

ERW Steel Pipe—Electric Resistance Welded Steel Pipe is made of hot-rolled steel coils/sheets that have been put in a process know as cold roll forming. The obvious advantage of ERW steel pipe compared to seamless steel pipe is the uniform wall thickness. According to API standard or GB/T9711.1 standard, both ends of the steel pipe are beveled and length can be fixed as required.
Production Process
De-coiling - Slitting - Recoiling - Shearing & Welding - Accumulating - Steel Coil UT - Edge Trimming - Roll Forming - H.F Welding - Inside & Outside Bur Removal - Medium Annealing - Air Cooling-Water Cooling - Sizing - Straightening - UT Test - Cutting - Hydrostatic Test - Inspection by Customer - Coating, Marking, Packing, Weighing & Measuring - Shipping

Specification & Details:
1 Out Diameter: 48-610mm 
Wall Thickness: 2-18mm
2 Length: 3-13m fixed or random as per customer's requirements
3 Steel Material: S235, S275, S355, A53, Q195, Q235B, Q345B, L245, Gr.B, X42-70 etc,
4 Standards: GB/T3091-2001, GB/T 13793-2008, GB/T9711.1-1997, ASTMA252, ASTM A106/53, ASTM A503, API 5L /5CT, BS1387, BS EN39, JIS G3444/3441, EN10210/EN10219
5 Certificates; API 5L PSL1 / PSL2, API 5CT, CE, ISO
6 Surface: anti-rust paintings, heat treatment, galvanizing, anti-corrosion treatment ( FBE, 3PE, 2PE)  
7 Applications: civil construction, petrochemical industry, light industry, liquid transferring industry, mechanical parts.
8 Tests: factory in-house inspection, third party inspection ( SGS, BV, MOODY, CCIC),
      Testing range: chemical composition, mechanical properties ( yield, tensile, elongation, impact) , flattening, bending, visual inspection, etc.
9 Mill Test Certificate: as per standard
10 Payment Terms: TT, LC
11 Packing: in bundles with steel strips or in bulk as per customer’s requirements
12 Mini Order: 10tons for carbon steel, 30tons for low alloy steel

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