Steel Grade:Q195–Q345,S235JR,S275JR,S355JR,GR.B-D,

STK500

Standard:GB/T3091–2001,BS1387–1985,DIN EN10025,EN10219,JIS G3444:2004,ASTMA53 SCH40/80/STD,BS-EN10255-2004

Surface Finish:hot dipped galvanized ,electro galvanized ,black,painted,threaded,socket,engraved.

Outer diameter (inch ):1/2’’—16’’

Thickness (mm):0.6—20.0

Length (m):1—12

The section shape:round

Country of origin:China(Mainland)

Provinces :Tianjin

Application :Structure Pipe

The production process: ERW

Certificate:CE