... galvanized, or paintedC: Length of each pipe: 500mm-16,000mmD: Steel grade: 10#, 20#, A106B, A53B, Q195 Q235, Q345, ST37 ... G3452, EN10210, EN10219, EN10025, EN10305 etc Product NameZinc Coating Steel PipeBrandSUNRISESpecificationOD 33mm - 406mm(1”~16”) with thickness of 3~30mmStandardGB ... STB33,Stb35), 20#(STPG42,STB42,STS42,JIS S20C),45#(JIS S45C), 16mn(STS49,STPT49) etc.c. ASTM/AISI Standard10#(ASTM ...