Key difference between Seamless and ERW Stainless Steel Pipe

1. Key difference between Seamless and ERW Stainless Steel Pipe What is the Raw material required for manufacturing Seamless & ERW Stainless steel Pipes? 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. What is the Difference Between Seamless and ERW Stainless Steel Pipes? 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 etc. 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. Santosh steel is one of the leading Stainless Steel Pipes Manufacturer and exporter from India. Contact us for product details. How to Identify Seamless or ERW Stainless Steel pipes? 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. That’s how. It is the easiest way to identify whether pipe is seamless or ERW.

2. In short, Seamless is marketed on an outdated myth that it does not have flaws but that welded has an inherent flaw throughout the length of each tube, as stated above.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. Santosh Steel is one of the leading manufacturers and exporters of Stainless Steel pipes from India. We manufacture steel pipes in various dimentions and shapes. We are also one of the largest Stainless Steel pipes exporter from India, our manufacturing unit is situated at Silvassa, Gujarat (India). We use the finest quality of raw material to produce SS pipes, which ISO and OHSAS certified. Our Stainless Steel manufacturing unit is capable of producing large and customized order from our client around the world. Stainless steel pipe supplier from Gujarat. Stainless Steel pipe exporter from India. Visit http://santoshsteels.com/ for stainless steel pipe manufacturers in india, manufacturers of stainless steel pipes in india, industrial pipe manufacturers in india, stainless steel tubes manufacturer in india, s s pipe manufacturer in india, stainless steel pipe Suppliers in india, Suppliers of stainless steel pipes in india, industrial pipe Supplier in india, s.s pipe exporter in india, stainless steel pipes and tubes manufacturers in india, stainless steel pipes and tubes Supplier in india, stainless steel pipes and tubes exporter in india.