
The helical submerged arc welded (HSAW) steel pipe, in accordance with EN 10224, is a type of steel pipe manufactured through a welding process where the weld seam is applied in a helical (spiral) pattern along the pipe. The EN 10224 standard defines the technical requirements for steel pipes used in various applications, including fluid and gas transportation systems.
Helical welding is a technique in which a steel plate is rolled into a cylindrical shape and the edges of the plate are welded in a spiral pattern. This results in a seam that follows a helical form along the length of the pipe.
Pipes manufactured according to EN 10224 generally use carbon steel or steel alloys, with properties suitable to withstand internal or external pressures depending on the application.



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