Welded steel pipe:

Welded Steel Pipe Outside Diameter: 219.1 mm to 1828.8 mm (8 -72 inch)
Welded Steel Pipe Thickness: 5 to 22mm

Welded Steel Pipe Steel Grade: A, B, X42, X46, X52, X56, X60, X65, J55, etc.
Welded Steel Pipe Type of pipe coating: 2PE, 3PE, Epoxy powder.
Welded Steel Pipe Application: Structure steel pipe, piling pipe, Sewage and clear water transportation. Line pipe for petroleum.