With one domestically advanced JCOE production line for large-diameter, double-side, submerged-arc welded steel pipes, three US

Produce Capacity:                                                 Standard and Inspectiom

Large diameter,longitudinal seam,double side,            SY/T5037-2000;GB/T3091-2008;GB/T9711.1-1997;API

submerged arc                                                        5L PSL 1

Spiral seam,double side,submerged arc                    Q235B/Q345B/Q295/SS400/ST37/S235JR/GrB/X42-X70/

JCOE production line                                             ST44/ST52-3

Diameters 219mm-3420mm                                  Hydraulic,impact,hardness

Thickness 6mm-45mm                                         X-ray,Ultrasonic,Television,Chemical ingredients analysis

steel pipe