Welded Pipes Erw Steel Pipes Efw Steel Pipes Round Square Rectangular

Size of ERW STEEL PIPES:

ERW, HFI, EFW:

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 (straight cut, saw cut, and torch cut). 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 TUBING

ERW TUBES

HFI TUBING

WELDED PIPES

WEDLED TUBING

WELDED TUBES

EFW PIPES

EFW TUBES

EFW TUBING

HFW PIPE

HFW TUBES

HFW TUBING

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 A249 - A249/A249M-98e1 - Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

ASTM A250 - A250/A250M-95 - Specification for Electric-Resistance-Welded Ferritic Alloy-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

Structural Tubing

ASTM A500 - A500-99 - Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

ASTM A501 - A501-99 - Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

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 A851 - A851-96 - Specification for High-Frequency Induction Welded, Unannealed, Austenitic Steel Condenser Tubes

ASTM A554 - A554-98e1 - Specification for Welded Stainless Steel Mechanical Tubing -

ASTM A513 - A513-98 - Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing

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