... gas, petroleum, fluid, and electricity 1) Outside diameter: 20 - 1,067mm 2) Thickness: 1 - 80mm A: Pipe and tube Size ... , bright and galvanized, or paintedC: Length of each pipe: 500mm-16,000mmD: Steel grade: 10#, 20#, A106B, A53B, Q195 Q235, ... ,STB30,STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C),45#(JIS S45C), 16mn(STS49,STPT49) etc.c. ASTM/ ... hesitate to let us know, thanks! Zinc coating steel pipe