Spiral welded steel pipe is a low carbon structural steel or low alloy structural steel strip that is rolled at a certain helix angle (also known as forming angle) into a tube cavity, and then welded to form a pipe joint using a narrow strip. Production range: 219.1mm – 3048mm (8” – 100”), Coating range: 219.1mm – 3048mm (8” – 80”), Thickness range: 4.00mm – 40.00mm, Pipe length: 4.00m – 14.00m (up to 48m with welding), Raw material: Hot Rolled Steel Coils (HRC).