... : 13.7-610mm Seamless Steel Pipe with Beveled End, Plastic Cap and Black Paint 1Standard API 5L, API 5CT, ASTM A106 ... , X56, X60, X65, J55, K55, 16Mn, ST37, ST52 5Treatment end plain or bevled6Coating2PE, 3PE, Epoxy powder7Packing:Labeled and bundled together with ...