... A106 4)OD: 13.7-610mm Seamless Steel Pipe with Beveled End, Plastic Cap and Black Paint 1Standard API 5L, API 5CT, ASTM ... , 16Mn, ST37, ST52 5Treatment end plain or bevled6Coating2PE, 3PE, Epoxy powder7Packing:Labeled and bundled together with steel strip8ApplicationLow, medium and high pressure boiler, transportation ...