What is spiral welded tube? How is it different to longitudinally welded tube?Spiral Welded Tubes are manufactured from mild steel or stainless steel coil, which is decoiled and flattened out by using a cold rolling process. The edges of the steel plate material are beveled and set for a …
Apr 15, 2014· Steel pipe, using the submerged arcwelding process (SAW), is manufactured by Hall Longmore to a diameter ranging from 660 mm to 2540 mm.