Automated CNC OCTG ultrasonic flaw detection system for seamless & ERW oil casing, tubing. High-sensitivity UT detects longitudinal, transverse, oblique & laminar defects with synchronous precise wall thickness measurement, complying with API 5CT, API 5L for tube mill full volumetric NDT inspection.
High pressure multi-station hydrostatic testing machine serves seamless and welded pipes to detect internal defects. It uses radial large-gap or end face sealing and maintains standard pressure to check leaks. Dual auto/manual control ensures safe, reliable and eco-friendly operation; all test data is stored in database for traceability and inquiry.
Custom pipe end facing & chamfering machine built for high-efficiency steel pipe end processing. The all-in-one design covers facing and chamfering to meet production line pre-processing requirements. It features stable performance, high efficiency, superior precision and flexible operation, ideal auxiliary equipment for modern steel pipe manufacturing.
Our API OCTG Straightening Machines adopt full automation with integrated entry and exit conveyors. Heavy-duty structure ensures great rigidity and stable operation. It processes carbon steel, API and seamless pipes, fitting various diameters, wall thicknesses and line speeds, supporting both online and offline operation.
Orbital Milling Cutoff is an advanced in-line cold flying cutting system for ERW, seamless & OCTG pipe mills, replacing flying shear and flying saw. It tracks running tubes synchronously for stop-free fixed-length cutting with single cold saw blades, producing burr-free, distortion-free pipe ends free of heat-affected zones for round steel tubes, casing and tubing.
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.
This hydraulic expander serves as core forming equipment for OCTG lines, expanding and calibrating seamless casing, tubing and drill pipes to eliminate ovality, wall thickness unevenness and dimensional errors. Featuring precise hydraulic drive and modular dies for even radial expansion, it fits carbon, alloy and high-strength steel, ensures stable dimension consistency, and aligns with downstream processes to satisfy API Spec 5CT requirements.
Solid-State HF Induction Welder adopts AC-DC-AC variable-frequency topology with three-phase thyristor rectifier and LC DC bus filter. Modular MOSFET inverter with resonant tank & matching transformer realizes power synthesis, impedance matching and isolation, equipped with fast overcurrent protection to guarantee stable and secure welding operation.
Our ERW tube mill covers forming, HF welding, cooling, sizing and Turk head straightening. It supports W, FF/FFX flexible and DFT direct forming; quick roll change system slashes downtime, ensures precise dimension, cuts roller & labor cost and lifts output for round & square pipe production.
New-gen automatic inline Orbital Milling Cutoff upgrades traditional flying shears and cold saws for ERW, seamless pipe and OCTG production lines. It enables synchronous continuous cold cutting without line downtime, producing burr-free, deformation-free & HAZ-free ends for carbon, alloy, stainless steel pipes, OCTG casing and tubing.
Solid-state HF induction welder features mature AC-DC-AC topology with 3-phase thyristor rectifier & DC bus LC filter. Modular parallel MOSFET inverters adopt matching transformers for power synthesis, impedance matching and isolation, with fast overcurrent protection for steady and secure running.
ERW tube mill consists of forming, HF welding, cooling, sizing and Turks Head pre-straightening sections. It supports W, FF/FFX flexible and DFT direct forming; quick-change system cuts roller cost, labor and downtime, ensuring precise dimension and high throughput for round and square pipe production.