We are leading manufacturer and stockiest of ERW STEEL PIPES in China.
Size of ERW STEEL PIPES:
Outer Diameter: 6mm-610mm (1/16″-24″) Wall Thickness: 0.3mm-22mm Length: 0.5mtr-20mtr
Process of ERW STEEL PIPES:
ERW (Electric Resistance Welded) HFI (High Frequency Induction) EFW(ELECTRIC FUSION WELDED) HFW(High-Frequency Welding)
Main Steel Grade of ERW STEEL PIPES:
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
Ends of ERW STEEL PIPES: square ends or beveled for welding, beveled
Surface of ERW STEEL PIPES: 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 of ERW STEEL PIPES: 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 of ERW STEEL PIPES: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydro-static Test, X-ray Test.
Mill Test Certificate: EN 10204/3.1B、Third party inspection: SGS, BV, Lloyds etc.
Types of ERW STEEL PIPES
ERW (Electric Resistance Welded pipes)
HFI (High Frequency Induction pipes)
EFW(ELECTRIC FUSION WELDED TUBES)
HFW(High-Frequency Welding tubes)
ERW PIPE PILES
HFW PIPE PILES
HFI PIPE PILES
ASTM A178 – A178/A178M-95 – Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes
ASTM A688 – A688/A688M-98 – Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes
ASTM A778 – A778-98 – Specification for Welded, Unanneled Austenitic Stainless Steel Tubular Products
ASTM A803 – A803/A803M-98 – Specification for Welded Ferritic Stainless Steel Feedwater Heater Tubes
ASTM A847 – A847-99a – Specification for Cold-Formed Welded and Seamless High Strength, Low Alloy Structural Tubing with Improved Atmospheric Corrosion Resistance
ASTM A618 – A618-99 – Specification for Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing –
ASTM A214 – A214/A214M-96 – Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser Tubes
ASTM A249 – A249/A249M-98e1 – Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
ASTM A498 – A498-98 – Specification for Seamless and Welded Carbon, Ferritic, and Austenitic Alloy Steel Heat-Exchanger Tubes with Integral Fins
ASTM A513 – A513-98 – Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
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