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Get 2% to 5% Discounts on Bulk EFW Pipe, EFW Pipe Suppliers, EFW Pipe Exporters, EFW Pipe Manufacturers, EFW Pipe Distributors & Dealers in India

EFW Pipe Suppliers, EFW Pipe Exporters, EFW Pipe Manufacturers, EFW Pipe Distributors

Electric Fusion Welding Pipe ( EFW) PipeElectric Fusion Welding Pipe ( EFW) Pipe SuppliersElectric Fusion Welding Pipe ( EFW) Pipe ExportersElectric Fusion Welding Pipe ( EFW) Pipe Distributors, Electric Fusion Welding Pipe ( EFW) Pipe Stockholder

What is EFW Pipe

Welded pipe is formed by rolling plate and welding the seam (usually by Electric resistance welding ("ERW"), or Electric Fusion Welding ("EFW")). The weld flash can be removed from both inner and outer surfaces using a scarfing blade.

EFW pipe vs ERW pipe

Electric Fusion Welding (EFW steel pipe) refers to an electron beam welding, the use of high-speed movement of the electron beam directed impact kinetic energy is converted to heat the workpiece so that the workpiece leaving the melt, the formation of the weld. It is mainly used for welding dissimilar steel welding sheet or which high power density, metal weldment can rapidly heated to high temperatures, which can melt any refractory metals and alloys. Deep penetration welding fast, heat-affected zone is extremely small, so small performance impact on the joints, the joint almost no distortion. But it has a requirement on a special welding room because welding using X-rays. Electric Resistance Welding(ERW steel pipe): welding member combination is applying pressure through the electrodes, the use of current through the joint area of ​​the contact surface and the adjacent heat generating resistance welding process method, Also known as contact welding. It has excellent toughness and dynamic load strength, welding deformation. Commonly used spot welding, seam welding and butt three.

EFW (ELECTRIC FUSION WELDED) PIPES

The EFW pipe divison consists of a JCO forming press, helical / spiral mill, inside and outside welding system, heat treatment furnace and testing facilities. Welding process employed is gtaw for root-pass and saw/tig for final pass with suitable filler wires as prescribed by aws specifications and asme boiler and pressure vessel code, section-ix. These facilities are capable of manufacturing austenitic and various duplex grades.

Trident Steel has been supplying EFW Electric Fusion Welded Pipe for many years. We supply EFW Electric Fusion Welded Pipe to the folowing industries on a global scale:
  • Oil Industry
  • Gas Industry
  • Filtration Industry
  • Refrigeration Industry
  • Refining Industry
  • Petrochemical Industry
  • Offshore Industry

A combination of specially designed equipments like 1600MT press brake machine, multiple rolls bending machine, welding installations for outside, inside and circumferential welding, size calibrating press, solution annealing furnace and a host of other related machinery, is employed to manufacture pipes used in critical applications like refineries, fertilizers, LNG terminals, cross country pipe lines etc.

EFW Pipes Product Range 

TYPE 
OD
WALL
THICKNESS
LENGTH
SPECIFICATION
ETC.
WELDING
METHOD
OTHERS
Pipe with one
Longitudinal
Seam
8" NB to 24" NB
(219.1
to 609.6mm)
2.5 to 32mm
6mtrs maximum;
Double random
lengths are possible
with one
circumferential joint.
ASTM A358,
A409, A778,
TIG, Plasma, SAW
welding used in
isolation or any
combination thereof.
In Solution
Annealed or As welded
condition.
Finish - Pickled.
Pipe with
Circumferential
Welding Joints
18" to 48"
(457.2 to
1220mm)
2.5 to 14.0mm
3.5 to 6 mtrs
ASTM A358,
A409, A778,
TIG, Plasma, GTAW
welding used in
isolation or any
combination thereof
In Solution Annealed or
As welded condition.
Finish - Pickled.

These products can be supplied in the following grades:

Austenitic Grades:
TP304, 304L, 316, 316L, 316Ti, 317L, 321, 321H, 347, 347H.
Ferritic Grades:
TP409
Duplex:
UNS 31803, UNS 32205, UNS 32304, LDX2101
Edges of the Stainless Steel Plate cut to size are prepared and pre-bent followed by roll forming into pipes. It is prewelded and then the final welding is done using filler material. All welders, welding operators and weld procedures are qualified to the ASME Boiler and Pressure Vessel Code, Section-IX. Heat treatment is done on continuous roller hearth furnace or batch furnace. The pipe is nowsized, pickled & passivated.
FIVE CLASSES OF ASTM A-358/ A-358M SUMMARIZED REQUIREMENTS

TYPE 
WELDING
FILLER
MATERIAL
RADIOGRAPHY
Class -1
Double Side
YES
100%
Class -2
Double Side
YES
NA
Class -3
Single Side
YES
100%
Class -4
Single Side
Root pass to be done without filler
100%
Class -5
Double Side
Single Side
Spot
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Brands We Stock & Supply Of Erw Linepipe / Welded/Hfi/Efw/hsaw/saw/lsaw/Seamless Pipes Tubes 

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We Export in India : We also have sales representative in various Major State and Cities like :
Saudi Arabia, Iran, Iraq, Uae, Qatar, Oman, Kuwait, Turkey, Jordan, Indonesia, Malaysia, Singapore, Thailand, Vietnam , Taiwan, Bangladesh, Sri Lanka, Italy, Germany, Uk, Netherlands, South Africa, Nigeria, Tanzania, Venezuela, Egypt, Nepal, Israel, Assam, Aurangabad, Ahmedabad, Ankleshwar, Bhilai, Bhavnagar, Bhubaneswar, Bhiwandi, Bikaner, Bangalore, Bhopal, Chennai, Coimbatore, Delhi, Faridabad, Hyderabad, Indore, India, Kolkata, Kochi (Cochin), Mumbai, Mysore, Meerut, Mangalore, Nagpur, Nashik, Pune, Rajkot, Ranchi, Raipur, Siliguri, Salem, Surat, Thane, Tirupur, Visakhapatnam, Vadodara