Electrical Resistance Weld

Usage: Used for low pressure liquid delivery, such as water, gas, and oil.

Process:
ERW (Electric Resistance Welded)
HFI (High Frequency Induction)
EFW(ELECTRIC FUSION WELDED TUBE)

Quality Standard:
ERW HFI , EFW,:
GB/T***1 Welded steel pipe for low pressure liquid delivery
GB/T***1 Petroleum and natural gas industries*-Steel pipe for pipelines
IS: ***9 Steel tubes for water and sewage
IS : ********2? Steel tubes for use in transportation of oil; gas & Petroleum products?
BS: ***7 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A*3 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
DIN ***8 WELDED STEEL PIPES AND TUBES
EN****7 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties
API 5L Line Pipe
Coating Standard:
ANSI/AWWA C**4/A*1.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
ISO ****9 Petroleum and natural gas industries *- External coatings for buried or submerged pipelines used in pipeline transportation systems
DIN ****0 Polyethylen coatings of steel pipes and fittings

Steel Grade:
BS:***7, EN****7:S**5, S**5,S**5JR, S**5 G2H, S**5, S**5JR, S**5JRH, S**5J2H, St*2, St*3, St*4, St*3, St*7, St*4, ST*2
ASTM A *3: Gr. A, Gr B, Gr C, Gr.D
API 5L: A, B, X*2, X*6, X*2, X*6, X*0, X*5 X*0
GB/T***1: L**5, L**0, L**5, L**0, L**0, L**0, L**0, L**0, L**0, L**0, L**5, L**0, L**5, L**5
GB/T***1, SY/T***7, SY/T ***0,CJ/T ***2:Q**5, Q**5, Q**5, Q**5, Q**5, Q**5, *8F, *8, *8AL, *8F, *0F, *0, HG5, DF*8 SPHC, M8

Size:
ERW, HFI, EFW:
Outer Diameter: 6mm***0mm (1/*6"**4")
Wall Thickness: 0.3mm**2mm
Length: 0.5mtr**0mtr

End:square ends (straight cut, saw cut, and torch cut). or beveled for welding, beveled,

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

Packing:Plastic plugs in both ends, Hexagonal bundles of max. 2,**0kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.
Test:Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate:EN ****4/3.1B
Third party inspection:SGS, BV, Lloyds etc.