Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.

Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.

Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.

Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.

Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.

Spiral welded pipe: It is made by rolling low-carbon carbon structural steel or low alloy structural steel strips into pipe billets at a certain helix angle (called forming angle), and then welding the pipe seams. It can produce large-diameter steel pipes using narrower strip steel.