What is Welded Steel Pipe

 

A welded steel pipe is constructed from a flat steel plate or a flat steel strip, and the manufacturing process results in a seam on the pipe’s surface. For welded steel pipes, the steel plate or strip must be bent and then welded into either a circular, traditional pipe shape or a square shape as part of the manufacturing process. There are three types of welded steel pipes: LSAW pipe, SSAW pipe, and ERW pipe. Each type is categorized based on the way in which the pipe is welded. There are two types of welding techniques used in pipes, LSAW and SSAW. LSAW pipes are longitudinally welded, while SSAW pipes are spirally welded. ERW pipes are electric resistance welded, which results in a seam that runs parallel to the pipe body.

 There are many types of welded steel pipe, but all of them are quick and easy to produce. Moreover, they tend to be cheaper than their alternatives, such as seamless steel pipe, which occupies more space and costs you more money. Overall, welded stainless steel pipe is an affordable, adaptable material that can be used for a wide variety of projects.

 As the name suggests, welded pipe (i.e. pipe that is manufactured with a weld) is a tubular product that is manufactured from flat plates called skelps, which are formed, bent and prepared for welding, with a longitudinal seam weld being the most common method for large diameter pipes.

A spiral welding process is an alternative method for making pipe with large diameters from narrower plates or skelps, as well as using spiral welding as a construction method. As with longitudinally welded SAW pipe, spiral welded pipe joint may also experience defects associated with the SAW weld. This defect is similar to the defects experienced by longitudinally welded SAW pipe in its nature.

A high frequency induction (HFI) is a welding process that produces electrical resistance weld (ERW) and high frequency induction (ERW) pipe. Originally, this type of pipe was manufactured by resistance heating to make the longitudinal weld (ERW), which is composed of a solid phase butt weld. Although the majority of pipe mills now use high frequency induction heating (HFI) in order to improve quality control and consistency, the product is still commonly referred to as ERW pipe, even though the weld may have been produced using the HFI/HFW (High Frequency Welded Pipe) method.

 For more information visit 

https://tronixalloys.com/what-is-welded-steel-pipe/

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