Pipe Metallurgical Company reported on the successful qualification testing of casing pipes with threaded connections Premium TMK FMC at a research center of pipe production China National Petroleum Corporation CNPC.

Complex qualifying tests TGRC on line pipe products to the international standard ISO 13679:2002, CAL II conducted under the supervision of specialists TMK-Premium Service. The tests were casing diameter 178.8 mm, wall thickness of 10.36 mm, the strength of S90SS with threaded connections premium TMK FMC manufacturing licensee TMK-Premium Service a Chinese company, Xinjiang STER.

Testing process consisted of several steps, including testing for resistance to abrasion, a combined load of tension and internal pressure tests for cyclic loading at elevated temperature testing to failure by internal pressure, tension and compression. All tests were carried out in strict accordance with the requirements of ISO13679.

As a result of the certificate of qualification testing institute TGRC, confirming compliance with the performance of threaded connections TMK FMC standard ISO 13679:2002, CAL II.

Obtaining this certification provides an opportunity to significantly expand the supply pipes with threaded connections TMK Premium Chinese and other foreign oil and gas companies, which require compliance with OCTG standard ISO 13679:2002, CAL II.