Place of Origin : 

1.Size
Outer diameter: 21.3-610mm
Wall thickness: 1.0-25mm
Length: 5.8M/6M/11.8M/12M, or according to your requirements.

2.Standard & Material
ASTM A53 Grade A,B,F; GB/-3091 Q235,Q345,16Mn etc.

3.Coating
Oiled, painted, galvanized, epoxy resin, 3LPE etc.

4.Packing
Standard export packing.

5.Skype: hbsummer85