Name:galvanized steel pipe Standard:API, ASTM API 5L, ASTM A53-2007, ASTM A252-1998 Grade Group:10#-45#, 16Mn, A53-A369 Grade:20#, 16Mn, A53(A,B), A106(B,C) Thickness:9.53 - 40 mm Section Shape:Round Outer Diameter(Round):350 - 914 mm Place of Origin:Tianjin, China (Mainland) Application:Boiler Pipe Technique:Cold Drawn Certification:API Surface Treatment:Galvanized Special Pipe:API Pipe Alloy Or Not:Non-alloy Secondary Or Not:Non-secondary Material:steel plate Length:6-18 Coating:3pe coating End:belved, plain color:3pe