ERW - Electric Resistance Welded Tubes

We are one of the largest suppliers and manufacturers of ERW tubes in Mumbai, Maharashtra, India. Reliable Steel Distributor specializes in supply of ERW tubes to companies and contractors across India. ERW (Electric Resistance Welded) tubes are welded longitudinally, manufactured from Strip / Coil and can be manufactured upto 24” OD. In the process of manufacturing ERW tubes, steel strips in designated sizes are pulled through a series of rollers and formed into a tube which is fused through a electric charge. ERW tubes are generally manufactured in size range of 3/8″ to 24″ and used for low/ medium pressure applications such as transportation of water  and oil.

ERW tubes supplied by Reliable are suitable for welding, bending, flanging, and similar forming operations. We sell all our ERW steel tube products with Original Mill Test Reports, which include details on mechanical testing such as tensile, bending, flattening, hydrostatic and nondestructive electric tests.

ERW tubes is one of the most important product for Reliable, with all our inventory largely comprising of carbon steel and mild steel ERW tubes . Given our extensive sourcing and selling expertise we sell over 50 tons of ERW tubes every day in Mumbai. Our customers comprise of end users as well as traders in 50/50 ratio. Since our prices for ERW tubes are very competitive, even traders find it beneficial to purchase steel tubes from us.

Production & Supply Range for Welded or ERW Steel Tubes 

ProductWelded or ERW Steel Tubes 
MaterialsCarbon Steel, Alloy Steel, Stainless Steel
Outer DiameterHot finish: 1/2″ – 36″
Wall Thickness1.0mm to 20mm
LengthRandom Length, Fixed Length, SRL, DRL
Heat TreatmentBright Annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered
PackingPlastic End Caps in Both Ends, Bundled Packing with Steel Strips
Testing & InspectionChemical Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test)
Test CertificatesAs per EN 10204 3.1B

 Standard Specification for ERW Tubes 

  • IS : 1239
  • IS: 3589 Steel tubes for water and sewage
  • BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam
  • ASTM A53 Standard Specification for Tube, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

  • DIN 2458 WELDED STEEL TUBES AND TUBES
  • EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
  • API 5L Line Tube 

Steel Grade for ERW Pipes & Tubes 

  • BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52
  • ASTM A 53: Gr. A, Gr B, Gr C, Gr.D
  • API 5L: A, B, X42, X46, X52, X56, X60, X65 X70