ERW HFI EFW Welded Steel Tube Carbon Steel Tube A53 API5l GrA GrB
DIN2458 EN10217
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)
HFW(High-Frequency Welding)
Quality Standard:
ERW HFI , EFW,:
GB/T3091 Welded steel pipe for low pressure liquid delivery
GB/T9711 Petroleum and natural gas industries--Steel pipe for
pipelines
IS: 3589 Steel tubes for water and sewage
IS : 1978-1982 Steel tubes for use in transportation of oil; gas &
Petroleum products?
BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam
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
API 5L Line 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 Polyethylen coatings of steel pipes and fittings
Steel Grade:
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
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
Size:
ERW, HFI, EFW:
Outer Diameter: 6mm-610mm (1/16"-24")
Wall Thickness: 0.3mm-22mm
Length: 0.5mtr-20mtr
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, 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.
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 10204/3.1B
Third party inspection:SGS, BV, Lloyds, MOODY etc.
