... BS1387,EN10219,A36 4.competitve price steel pipe price Product NameASTM STANDARD Carbon Steel PipeBrandXinfeng Steel Pipe ( By ourself )SpecificationOD 33 ... A519-98 JIS G3441-1994 JIS G3444-1994Seamless steel tubes and pipes forliquid serviceGB/T8163-199910, 20, Q295, ... andtubing in oil wellsAPE SPEC 5LA, B, X42APISeamles Steel Tubesand Pipes forHigh Pressure BoilerGB5310-199520G, 20MnG, 25MnG, 15MoG, ...