SSAW Carbon Steel Pipes is widely used in bridge construction, real estate construction, high way billboard support etc. Do you know there are three different types of Spiral Welded Seam for producing SSAW Carbon Steel Pipes?
1. Spiral strip end weld: steel head that spiral weld on steel or steel weld head and tail;
2. Two spiral butt weld: spiral cut is to link the two together to form an annular weld;
3. Spiral tack welding: this is applied before the final welding. For fixing the butt weld edges.
