Model Number

FRT-ERW01

Freet ERW production line has the annual capacity of 120, 000 ton of every kind of ERW pipe with outer diameter from 4 1/2" to 14", and the largest length to 15m. freetqd (at) gmail (dot) com for more details. The products include H40/J55/K55/N80 petroleum casing following API 5CT standard, X80 and below X80 per API 5L, and transportation line pipe per standard of GB/T9711.1-1997 and GB/T9711.2-1999.

Especially in ERW pipe production, has annual capacity of 120,000 tons of various ERW pipes with outer diameter from Φ114.3mm-Φ355.6mm. Freet owns the first production line in China which is able to manufacture N80 grade steel casing, by introducing the rolling mill and flying cut-off saw of Nakata Mfg.Co,Ltd.(Japan),hi-frequency welder and heat treatment equipment of Thermatool Co.,Ltd(USA). All pipes in the Mill are on-line ultrasonic tested, weld-seam off-line ultrasonic tested and hydro-pressure tested etc, to guarantee that the products ex-works will completely meet the requirements of our clients.