ERW pipes means Electric Resistance Welded Pipes. ERW steel pipes and tubes are used. ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes.
Our product finds its usage for Agricultural purposes, Drinking Water for housings, in collieries for extraction of Water, Thermal Powers, Transports, Hand pumps for deep boring wells, as a strong protection for cables by Telecom Department, Structural Purposes etc.
While manufacturing ERW steel pipes, only high-quality, continuous-cast, fully killed, control-rolled, fine-grain, low-carbon steel is used. High performance ERW steel pipes and tubing possess high strength corrosion resistance, high deformability, high strength and high toughness. We are among the leading manufacturers and suppliers of erw pipes and tubes in India. We are also one of the largest exporters of erw pipes and tubes in India. ERW pipes and tubes stands for Electric Resistance Welded pipes and tubes.
Based on the customers requirements we can manufacture erw pipes and tubes of different size and shape. We have a very large production capacity of erw pipes and tubes. ERW pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. ERW pipe is available in lengths from single random to 120 feet depending on mill capability. ERW pipe is available with square ends or beveled for welding, threaded and coupled and victaulic grooved. Surface finish are available in black or bare, or with protective coatings.
For pipes or tubes size 4 inch (10.2mm) OD and below, strip is fed into a set of forming rolls which consists of horizontal and vertical rollers so placed as to gradually from the flat strip in to a tube which is then allowed to pass the welding electrodes. The electrodes are copper disks connected to the secondary of a revolving transformer assembly.
Seamless Steel Pipe is made from a solid round steel ‘billet’ which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. Billets are procured both from indigenous suppliers and from abroad. Major Indigenous suppliers are JSPL, JSW & Kalyani and steel round billets are imported from renowned mills from Europe, Far East countries, Canada, China.
To Manufacture ERW Stainless Steel Pipes HR Coils are required. Major Indigenous suppliers of these HR Coils are SAIL, Essar, JSW, Lloyds etc.
Electric Resistance Welding (ERW) pipe is manufactured by rolling metal and then welding it longitudinally across its length. Seamless pipe is manufactured by extruding the metal to the desired length; therefore ERW pipe have a welded joint in its cross-section, while seamless pipe does not have any joint in its cross-section through-out its length.
In Seamless pipe, there are no welding or joints and is manufactured from solid round billets. The seamless pipe is finished to dimensional and wall thickness specifications in sizes from 1/8 inch to 26 inch OD. Applicable in for High-pressure applications such as Hydrocarbon Industries & Refineries, Oil & Gas Exploration & Drilling, Oil & Gas Transportation and Air and Hydraulic cylinders, Bearings, Boilers, Automobiles
ERW (Electric Resistance Welded) pipes are welded longitudinally, manufactured from Strip / Coil and can be manufactured upto 24” OD. ERW pipe cold formed from a ribbon of steel pulled through a series of rollers and formed into a tube which is fused through a electric charge. It is mainly used for low/ medium pressure applications such as transportation of water / oil. Trident Steel is one of the leading ERW Stainless Steel Pipes Supplier and exporter from India. Contact us for product details.
Common sizes for ERW Steel Pipe range from 2 3/8 inch OD to 24 inch OD in a variety of lengths to over 100 feet. Surface finishes are available in bare and coated formats and processing can be handled on site to customer specifications.
Technologies for Production of Seamless & ERW Pipes “CPE” Technology” used for Seamless Pipes & Tubes Production up to 7-inches OD is the world renowned Technology. “Plug Mill” Technology used for Higher Dia. Seamless Pipes & Tubes Production from 7-inches to 14-inches,is the most reliable technology,in higher dia. Segment. High frequency Induction Welding Technology is used for ERW Pipes &Tubes upto 21-inchesOD.
To identify that a pipe supplied is seamless or ERW, Simply read the stencil on the side of the pipe
If it is ASTM A53, Type S means seamless.
Type F is furnace but welded,
Type E is Electrical resist welded.
Thats how. It is the easiest way to identify wether pipe is seamless or ERW.
In short, Seamless is marketed on an outdated myth that it does not have flaws but that welded has an inherent flaw throughout the length of each tube, as stated above. Intuitively this concept is easily accepted by purchasers and designers with limited experience with the various products. Each product form and manufacturing method has its own inherent problems and potential defects.
Consumers must become familiar with what those problems and defects are, and how they might affect particular applications. Then they can make an informed decision based on facts, rather than myth.
Let’s see the video of ERW Stainless Steel Manufacturing Process.
Trident Steel is one of the leading Suppliers and exporters of ERW Stainless Steel pipes from India. We Supply ERW steel pipes in various dimentions and shapes. We are also one of the largest Stainless Steel pipes exporter from India, Skype or Mail us for more information about our ERW stainless Steel pipes. Stainless steel pipe supplier from Mumbai. Stainless Steel pipe exporter from India.
ERW pipes have various applications like fencing, line pipe, scaffolding etc. ERW steel pipes are available in various diameters, wall thickness, finish and gradesMajor applications
Maharashtra Seamless Limited (MSL) as an ERW pipe manufacturer in India, manufacture ERW pipes (MS Black and Galvanized) in various sizes, grades and specifications as per various national and international specifications (IS, BS API, ASTM, DIN). MSL has been constantly executing need based demanding orders for ERW Pipes to meet the requirement of sectors like, Agriculture, Oil and Gas, Public Health, Housing, Irrigation, Engineering etc.
A513 Type 1, A500 B, A500 C
ID Flash Trim: +.010"/-.007"
Standard Carbon Steel/Alloy Grades: 1010AK, 1020AK, 1026AK, ST52.3, 4130, 1035, 1037, ST70XF, 1026MODS
Tempers: As-Welded, Stress Relieve Annealed, Full Annealed/Normalized
|ERW mild steel tube - sizes|
|1/2 x 1/2||12.7 x 12.7||x||x|
|5/8 x 5/8||15.9 x 15.9||x||x|
|3/4 x 3/4||19.1 x 19.1||x||x||x||x||x|
|7/8 x 7/8||22.2 x 22.2||x||x||x||x|
|1 x 1||25.4 x 25.4||x||x||x||x||x|
|1 1/8 x 1 1/8||28.5 x 28.5||x||x|
|1 1/4 x 1 1/4||31.8 x 31.8||x||x||x|
|1 1/2 x 1 1/2||38.1 x 38.1||x||x||x||x||x|
|2 x 2||50.8 x 50.8||x||x|
|1 x 1/2||25.4 x 12.7||x||x|
|1 3/8 x 5/8||34.9 x 15.9||x||x||x|
|1 1/2 x 3/4||38.1 x 19.1||x||x||x|
|2 x 1||50.8 x 25.4||x||x||x||x||x|
|2 1/2 x 1 1/2||63.5 x 38.1||x|
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