SUPERIORITY FOR GRADE 304# STAINLESS STEEL COILS AND TUBES 1.Stainless steel tubes are used for food industry and sanitation indusrty. 2.Inner flatted, high quality requirment ... excellence NameStainless Steel Welded PipeItemsSquare pipes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittingsStandardASTM A554, A249, A269 and A270Material Grade201 ...