Seversky Tube Works, a subsidiary of Russia's largest pipe producer TMK, has successfully passed an inspection audit conducted by the American Petroleum Institute (API).
Experts examined the company's overall quality management system (QMS), confirming its compliance with international standard requirements (ISO 9001:2008, API Spec Q1 8th edition and ISO/TS 29001:2010). According to audit results, experts of the American Petroleum Institute confirmed the right of Seversky Tube Works to use the official monogram of the American Petroleum Institute for line pipes made to API 5L and for tubing and casing made to API 5CT.