... : 20 - 1,067mm 2) Thickness: 1 - 80mm A: Pipe and tube Size Range:1) Round pipe diameter: 8mm-3000mm, thickness: 0.4-60 ... : black, blank, bright and galvanized, or paintedC: Length of each pipe: 500mm-16,000mmD: Steel grade: 10#, 20#, A106B, A53B, Q195 ... not hesitate to let us know, thanks! Zinc coating steel pipe