... : 13.7-610mm Seamless Steel Pipe with Beveled End, Plastic Cap and Black Paint 1Standard API 5L, ... to SCH 140 (1.73-36.5mm) 4Grade A, B, Q235, Q345, L245, L290, L360, L415, L485, ... 20#, GR.B, J55, K55, H40, X42, X46, X52, X56, X60, ... X65, J55, K55, 16Mn, ST37, ST52 5Treatment end plain or bevled6Coating2PE, 3PE, Epoxy powder7Packing:Labeled and bundled together ...