December 12, 2006
Faray Petroleum Steel Pipe Co. Ltd., Dongying, China has installed an API pipe mill equipped with a CFI 1000 Thermatool induction welding unit which achieves welds at a frequency of 230 kHz.
Three VIP 500-kW, 1-kHz annealing units also are included. The annealing units are equipped with a seam tracking option which follows automatically any wandering of the weld seam to help ensure the pipe always is fully annealed.
The mill also includes an F FX forming section, weld box, and cold saw provided by Nakata Mfg. Co. Ltd., Osaka, Japan. It produces up to 13-in.-dia. by 0.479-in.-wall thickness API and structural pipes.