Spiral welded steel pipes are a type of pipe manufactured using a special method in which a steel coil is formed and welded using a process known as the Double Submerged Arc Welding (DSAW) method.
Spiral welded steel pipes are a type of pipe manufactured using a special method in which a steel coil is formed and welded using a process known as the Double Submerged Arc Welding (DSAW) method.
