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ERW pipe starts as flat steel strip. A series of roll-forming dies progressively shapes the strip into a cylinder, and high-frequency electrical current fuses the longitudinal seam without filler metal. The edges bond through resistance heat, producing a clean, tested joint in a single continuous process. Electric resistance welding covers carbon steel, stainless steel, alloy steel, nickel alloy, copper alloy, and duplex steel pipe in OD from 1/8" NB to 24" NB, with wall thicknesses from 4.0 mm to 100 mm and lengths available in cut, fixed, single random, double random, and custom formats. Metal Yard India supplies and exports ERW pipes manufactured to ASTM, ASME, API, DIN, and BS specifications from its Mumbai facility, serving industrial buyers across 80+ countries.
The following table has all details of the key specifications, manufacturing steps, and industrial applications of ERW pipes.
| Feature | Specification Details |
|---|---|
| Size Range | 1/8" NB to 24" NB (1/4" OD to 24" OD) |
| Wall Thickness | 4.0 mm to 100 mm |
| Available Lengths | Single Random, Double Random, Cut Length, Fix Length, Custom Required Length |
| Structural Forms | Round, Square, Rectangular |
| End Configurations | Plain End, Beveled End, Threaded |
The following are different types of ERW Pipes available in our stocks.
Stainless Steel ERW Pipes / SS Electric Resistance Welding Pipes
ASTM A312 TP304 ERW Pipes
ASTM A312 TP304L ERW Pipes
Inconel 600 ERW Pipes
Inconel 625 ERW Pipes
Copper Nickel 90/10 ERW Pipes
Duplex Steel 2205 ERW Pipes
Titanium Grade 2 ERW Pipes
Titanium Grade 5 ERW Pipes
Incoloy 800 ERW Pipes
Incoloy 825 ERW Pipes
Alloy 20 ERW Pipes
Monel 400 ERW Pipes
Nickel Alloy 200 ERW Pipes
Super Duplex Steel ERW Pipes
Hastelloy C22 ERW Pipes
Hastelloy C276 ERW Pipes
Cu-Ni 70/30 ERW Pipes
Carbon Steel ERW Pipes
ASTM A312 TP316 SS ERW Pipes
SS TP316L ERW Pipes
ERW pipes are excellent in many types of heavy industries due to their very uniform wall geometry. They reliably convey high-pressure oil and gas up to 100 bar, handle municipal water supply, and high-temperature power plant steam lines. Besides, these multi-purpose sections are widely used in structural construction framing, automobile parts, fire-fighting, HVAC, agriculture irrigation mains, and corrosive fluid processing in chemical and petrochemical industries.
The ERW production process involves a sophisticated series of steps to convert high-grade, low-carbon steel coils into finished pipes. The steel is first cut and edge-prepared, then run through roll-forming stations that shape it into a cylinder. The edges are then heated to fusion temperature by high-frequency current and welded together under mechanical pressure, without filler metal. The seam is immediately induction heat-treated to normalize the seam and ensure a homogeneous microstructure. Finally finishing rolls size and straightening the pipe. Flying saws cut it to length, and ultrasonic and hydrostatic testing check the structural integrity before protective surface coatings are applied.
Metal Yard India is manufacturing highest grade ERW pipes by employing precision engineering and strong quality control. All pipes are ultrasonically and hydrostatically inspected to ensure excellent weld seams throughout a vast range of grades from mild steel to hasteloy. We can also supply custom sizes, full compliance with international standards including ASTM, API, EN 10204 3.1 certification, export packaging and hassle free transportation to more than 80 countries.
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We are Exporter of ERW Pipes in Worldwide Such as Austria, Oman, Norway, Costa Rica, Iraq, Sweden, Brazil, Spain, Iran, Sri Lanka, Malaysia, Belarus, Croatia, Switzerland, Mongolia, Mexico, Poland, Bahrain, Tibet, Israel, Ireland, Chile, Canada, Hong Kong, India, Qatar, Australia, Thailand, Indonesia, Angola, Slovakia, China, Russia, Germany, Bangladesh, Kuwait, Kazakhstan, United States, Peru, Romania, Chile, Argentina, Yemen, Egypt, Bulgaria, Puerto Rico, Venezuela, Trinidad & Tobago,Tunisia, Macau, New Zealand, Poland, Morocco, Taiwan, Denmark, Nigeria, Portugal, Nigeria, Singapore, Estonia, Nepal, Belgium, Saudi Arabia, Czech Republic, Vietnam, Jordan, Netherlands, Finland, United Arab Emirates, Gambia, Italy, Turkey, Lithuania, Mexico, Azerbaijan, Afghanistan, Philippines, Ghana, United Kingdom, Lebanon, Bolivia, Bhutan, Ecuador, Serbia, Algeria, Japan, Namibia, Kenya, Colombia, Greece, South Africa, Libya, Iran, South Korea, Hungary, Ukraine, Gabon, Zimbabwe, France, Pakistan.
We are Suppliers of ERW Pipes in India Such as Spain, Poland, Slovakia, Morocco, Kenya, Iran, Estonia, Lebanon, Kazakhstan, Ghana, Netherlands, France, Venezuela, Australia, Portugal, Ireland, Tibet, Sweden, Czech Republic, Norway, Greece, Pakistan, Nepal, Germany, Saudi Arabia, Oman, Gabon, Canada, Croatia, Bulgaria, United States, Mexico, India, Iran, Libya, Puerto Rico, Nigeria, Brazil, Hong Kong, Peru, Angola, Bolivia, Austria, United Arab Emirates, Switzerland, United Kingdom, Argentina, Colombia, Afghanistan, Zimbabwe, China, Iraq, Mongolia, Ecuador, Bangladesh, Denmark, Egypt, Algeria, Bhutan, Chile, Sri Lanka, Trinidad & Tobago,Tunisia, Chile, Japan, Italy, Jordan, Nigeria, Philippines, South Africa, Serbia, Malaysia, Taiwan, Lithuania, Gambia, Turkey, Poland, Ukraine, Hungary, Belarus, Costa Rica, Belgium, Azerbaijan, Qatar, Bahrain, Indonesia, Vietnam, Singapore, Namibia, Macau, New Zealand, Romania, Russia, Mexico, Yemen, South Korea, Israel, Finland, Thailand, Kuwait.
These pipelines easily carry fluids across oil, gas, water distribution and chemical lines. They are also used extensively in structural steel frames, HVAC systems, power plants and agricultural irrigation systems.
Seamless pipes are manufactured by the extrusion of solid metal billets and have no joints. ERW pipes are manufactured using high frequency electric current that provides a longitudinal weld seam, making them very economical and quick to manufacture.
Yes, high-grade carbon steel ERW lines reliably manage severe pipeline pressures over 70 bar. However, due to weld joint quality factors, their strict ASME code pressure rating remains 85% of seamless.
ERW pipes are manufactured in a large variety of materials, from normal carbon steel and heavy alloy steel to various grades of stainless steel. They may also be constructed of duplex, high-performance nickel alloys and copper-nickel mixes for particular conditions.
They fully comply with major global standards: ASTM A53, A106, and API 5L for carbon steel, ASTM A312 and A790 for stainless, alongside specialized B-series specifications for industrial nickel alloys.
Round profiles span seamlessly from 1/8" NB up to 24" NB, with wall thicknesses reaching 100 mm. Carbon steel structural square and rectangular profiles are also available up to 400x200 mm.
Routine hydrostatic testing, ultrasonic weld seam scanning, visual dimension checks and chemical PMI testing ensure integrity. Every order ships with official mill certificates indicating exact mechanical qualities.
Yes. Mills does custom orders for your exact custom cut lengths and specific wall thicknesses, from Schedule 5S to XXS in stainless, and Schedule 10 through 160 in carbon steel.
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