04 August 201412:56
PNTZ makes new type of weldless pipes for O&G industry
August 4, 2014. Pervouralsk New Pipe Plant/PNTZ (a member enterprise of ChTPZ Group) made an experimental batch of steel weldless compressor pipes with Type F threaded joints. The first batch of this new pipe variety - 259,000 kg altogether, each pipe 89x6.5mm big and made of steel with enhanced mechanical properties – was shipped to Surgutneftegaz. 175,000 kg of steels that are 89x8mm big will be delivered to the company soon, the Group’s press service reports. These pipes are special in that they have longer thread pitches, which means they can be used not only for repairs and technical