Spiral steel pipe is an important steel pipe in the project construction. It is formed by spiral submerged arc welding technology. The process is form...
Spiral steel pipe is an important steel pipe in the project construction. It is formed by spiral submerged arc welding technology. The process is form...
Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding technology. Spiral welded pipes are formed us...
Spiral steel pipe is an important steel pipe in the project construction. It is formed by spiral submerged arc welding technology. The process is form...
Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding technology. Spiral welded pipes are formed us...