Oil country tubular goods - OCTG
Hot-rolled seamless steel pipes according to the API Spec. 7, API Spec. 5 CT, API Spec. 5 D and API Spec. 5 L standards. Pipes and connecting sleeves are made of materials according to API: Grades J, K, N, L, C, P, E, X, G, E 75, G 105.
Pipes are supplied in the following lengths – RANGE 1, 2, 3. Thread types – STC, LTC, BTC. Gas-tight coupling types: VAM, NEW VAM, VAGT, Techniseal, Tenaris.
Pipe end types – NUE, EUE, IUE
Pipe surface, thread protection, marking, revision, testing and acceptance are defined by delivery instructions according to the API standards.