Spiral submerged arc welded steel pipe generally refers to the industrial steel pipe, also known as spiral steel pipe or spiral welded pipe. Spiral pipe is to roll strip steel coil into pipe billet according to a certain spiral Angle (called forming Angle), and then weld the pipe seam, and its specification is expressed by outer diameter * wall thickness. Common materials of spiral tubes...

What's the difference between welded steel pipe and galvanized steel pipe？ Different definitions Welded pipe refers to a steel pipe with seams on the surface, which is formed by bending and deforming a steel strip or steel plate into a round, square, or other shape and then welded; generally, the fixed length is 6 meters. The production process of welded pipe is simple, the production...