GOST 33758-2016 Pipes for use as casing or tubing and couplings for them. Basic parameters and inspection of thread connections. General technical requirements*, 2023-12-23 Update
GOST ISO 9000-2011 Quality management systems. Fundamentals and vocabulary*, 2023-12-23 Update
GOST 31446-2017 history
2017GOST 31446-2017 Steel casing and tubing for petroleum and natural gas industries. General specifications
2012GOST 31446-2012 Steel pipes for use as casing or tubing for wells in petroleum and natural gas industries. General specifications