Standard: GB/T 3639-2000 Grade: Q235, Q345, Q195, Q215 Outer Diameter: 21.3 - 219.1 mm Technique: Welded Length: 5.8m to 12m

Black Welded Steel Pipe(ERW)

Standard: GB/T 3639-2000Grade: Q235, Q345, Q195, Q215Outer Diameter: 21.3 - 219.1 mmTechnique: WeldedLength: 5.8m to 12m

Thickness: 1.5mm to 6.0mm

Usage          : Water/Thread

pipe