Spiral welded pipe weld classification

Spiral Welded Pipe Weld Classification 
 
1 Steel Belt Butt Welding Weld: Steel belt butt welding is the welded seam of steel or steel strip on the spiral seam steel pipe . 
2 Butt weld: It is the annular weld formed by connecting two steel pipes together. 
3 Locating Weld: It is the weld used to fix the butt edge before final welding.