OCTG Production Line
Our OCTG heat treatment line covers quenching, tempering, normalizing and annealing for seamless casing, tubing and drill pipes, meeting API 5CT grades J55, K55, N80, L80, P110, Q125. Roller-hearth or induction heating delivers precise uniform heating; spray quenching & air cooling stabilizes mechanical properties. Fully automatic workflow ensures low energy consumption, high efficiency and consistent quality for mass OCTG manufacturing.