ERW STEEL PIPE, WATER PIPELINE
ERW (Electric Resistance Welded), HFI (High Frequency Induction), HFW (High-Frequency Welding)
Quality Standards:
Tubería API 5L para petróleo y gas
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
GB/T3091 Tubería de acero soldada para construcción y suministro de líquidos a baja presión
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: Class A, Class B, Class C
EN10210/10219: S235, S235JR, S235J2H, S275, S275JR, S355JRH, S355J2H
API 5L: GR.A, GR.B, X42, X46, X52, X56, X60, X65 X70
ASTM A53: GR.A, GR.B
ASTM A252: GR.1, GR.2, GR.3
ASTM A500: GR.A, GR.B, GR.C, GR.D
GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
GB/T3091, SY/T5037: Q195, Q215, Q235, Q275, Q295, Q345
Coating Standard:
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
AWWA C210: Liquid-Epoxy Coatings and Linings for Steel Water Pipe and Fittings
AWWA C213: Fusion-Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines
Size:
Outer Diameter: 114.3mm-610mm (4″-24″)
Wall Thickness: 3.5mm-22mm
Length: 3mtr-18mtr
End: Plain/square ends (straight cut, saw cut, and torch cut), or Beveled ends, or Threaded ends, or Grooved ends.
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black painted, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)
Packing: 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.
