Welded Pipes and Tubes

We are one of the leading Manufacturers, Supplier and Exporters of a wide range of Welded Pipes & Tubes. These Pipes & Tubes are tested on various parameters like Strength, Durability, Temperature & Pressure resistance etc. The welding head line is polished continuously with the help of automatic bead polishing machine to produce a perfect bore. We can provide these in customized sized and specification as per requirement of our clients Standard ASTM, ASME & Other equivalent specifications. These seamless pipes & tubes widely used in various application industry such as Oil & Gas, Petroleum, Petrochemical, Chemical, Machine Building, Automobile, etc.

We are Stockist & Supplier or Exporter of Welded Pipes in Worldwide.

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Manufacturing Process of Welded Pipes

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/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 etc.

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

Process:
LSAW (Longitudinal Submerge-arc Welded) UO(UOE)、RB(RBE)、JCO(JCOE)
DSAW (Double Submerged arc welded)

Quality Standard:
LSAW, DSAW:
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
SAW SSAW:
SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
SY/T 5040 Spiral submerged arc-welded steel pipe piles
CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply
IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products?
ASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES
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:
LSAW, DSAW: 
Outer Diameter: 219mm-1820mm
Wall Thickness: 5.0mm-50mm
Length: 6mtr-18mtr

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 etc.

SSAW/SAW STEEL PIPES
Usage: Used for low pressure liquid delivery, such as water, gas, and oil.

Process:
SAW (Spiral Welded)
SSAW (Spiral Submerged-arc Welded)

Quality Standard:
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
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
SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
SY/T 5040 Spiral submerged arc-welded steel pipe piles
CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply
IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products
ASTM A252 WELDED AND SEAMLESS STEEL PIPE PILES
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:
SAW SSAW:
Outer Diamter: 219.1mm – 4064mm (8″ – 160″)
Wall Thickness: 3.2 mm – 40mm
Length: 6mtr-18mtr

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 etc.

Specification :
Size:6NB to 1200NB IN
Schedule:SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
Type:Round, Square, Rectangle, Hydraulic, Honed Tubes
Length:Single Random, Double Random & Cut Length
End:Plain End, Beveled End



We can supply all kinds of size of material

Inconel series:
Inconel 600, Inconel 601, Inconel 617, Inconel 625, Inconel 690
Inconel 718,
Incone X-750

Incoloy series:
Incoloy 800, Incoloy 800H, Incoloy 800HT , Incoloy 801, Incoloy 825,
Incoloy 901, Incoloy 907, Incoloy 925, Incoloy 926,
Incoloy 25-6Mo,
Incoloy A-286

Hastelloy series:
Hastelloy B, hastelloy B-2, hastelloy B-3,
Hastelloy C, hastelloy C-4, hastelloy C-22, hastelloy C-276, hasteelloy C-2000,
hastelloyG-3, hastelloyG30,
hastelloyX, hastelloyHX

Monel series:
Monel 400 (UNS N04400, W.Nr 2.4360)
Monel K500 (UNS N05500,)

Austenite Stainless Steel: 310S (UNS S31008, JIS SUH310S, W.Nr 1.4845)
317 (UNS S31700, F317, JIS SUS317)
317L (UNS S31703, F317L, JIS SUS317L, W.Nr 1.4438 )
321 (UNS S32100, F321, JIS SUS321)
347 (UNS S34700, F347, JIS SUS347, W.Nr 1.4550 )
347H (UNS S34709, F347H, JIS SUS347H, W.Nr 1.4912)
Nitronic 50 (UNS S20910, Fxm-19, XM-19)
Nitronic 60 (Alloy218, UNS S21800)
Alloy 20 (UNS N08020, F20 )
254SMo (UNS S31254, F44, W.Nr 1.4547)
904L (UNS N08904, F904L )
645SMo (UNS S32654, W.Nr 1.4652)
253Ma (USN S30185 )

Biphase Stainless Steel
F51 (UNS S31803, AL2205, JIS SUS32953L, W.Nr 1.4462 )
329 (UNS S32900, F54 )
F55 (UNS S32760, F55, W.Nr 1.4501)
2205 (UNS S32205, F60,)
255 (UNS S32550, F61, JIS SUS32954L, W.Nr 1.4507)

Precipitation Hardening Stainless Steel
630,17-4PH (UNS S17400, JIS SUS630, W.Nr 1.4542)
631,17-7PH (UNS S17700, JIS SUS631, W.Nr 1.4568)
632,15-7MoPH ( UNS S15700, W.Nr 1.4532)
635 (UNS S17600)
XM-12,15-5PH (UNS S15500, W.Nr 1.4545)
XM-13,13-8MoPH (S13800,)

UNS N06002; UNS N06007; UNS N06022; UNS N06030; UNS N06035; UNS N06058; UNS N06059; UNS N06200; UNS N10362; UNS N06210; UNS N06230; UNS N06455; UNS N06975; UNS N06985; UNS N08031; UNS N08320; UNS N10001; UNS N10242; UNS N10276; UNS N10624; UNS N10629; UNS N10665; UNS N10675; UNS R30556; welded pipe