Spiral welded steel pipe is a low carbon carbon structural steel or a low alloy structural steel strip rolled into a tube blank with a certain helix angle (also called forming angle), and then welded and made into a pipe joint, which can use a narrow strip steel production of large diameter steel pipes.
Spiral welded pipes are single-sided welded and double-sided welded. The welded pipe shall ensure that the hydraulic test and the tensile strength and cold bending performance of the weld are in compliance with the regulations.
Spiral Submerged Arc-Welding Pipes
SSAW Pipe (Spiral Submerged Arc-Welding Pipe) also called HSAW pipe, welding line shaped like a helix. It is using the same welding technology of Submerged Arc-Welding with LSAW Pipes. Differently SSAW pipe is spiral welded where the LSAW is longitudinally welded.
Manufacturing process is rolling the steel strip, to make the rolling direction have an angle with the direction of the pipe center, forming and welding, so the welding seam is in a spiral line. Applicable only to Carbon Steel Pipes.
Spiral Welded Steel Pipe Prices
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