Low & Medium Pressure Pipe

Industrial Pressure Pipe Process:

  • ERW (Electric Resistance Welded)
  • HFI (High-Frequency Induction)
  • HFW (High-Frequency Welding)

Pressure Pipe Quality Standard:

  • API 5L Line Pipe for oil and gas
  • ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless


  • DIN 2458 Welded steel pipes and tubes
  • EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
  • GB/T3091 Welded steel pipe for low-pressure liquid delivery and construction
  • GB/T9711 Petroleum and natural gas industries – Steel pipe for pipelines
  • BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam

Steel Grade:

  • BS: 1387
  • EN10217:S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, ST37, ST44, ST52
  • API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
  • ASTM A 53: Gr. A, Gr.B, Gr.C
  • ASTM A252 GR.B GR.C
  • ASTM A500 GR.B
  • GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
  • GB/T3091, SY/T5037, SY/T 5040,CJ/T 3022:Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8

Low and Medium Pressure Pipe Coating Standard:

  • ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
  • ISO 21809 Petroleum and natural gas industries – External coatings for buried or submerged pipelines used in pipeline transportation systems
  • DIN 30670 Polyethylene coatings of steel pipes and fittings

Pressure Pipe Size:


  • Outer Diameter: 114.3mm-610mm (4″-24″)
  • Wall Thickness: 3.5mm-22mm
  • Length: 3mtr-20mtr
  • End: Plain/square ends (straight cut, saw cut, and torch cut), or beveled for welding, beveled ends


Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)


Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.