GOST 8696-74: General-purpose electrically welded spiral seam steel pipes. Specifications GOST 9.909-86: Unified system of corrosion and ageing protection. Metals, alloys, metal and non-metal inorganic coatings. Test methods at climatic test stations ...
GOST 8696-74: General-purpose electrically welded spiral seam steel pipes. SpecificationsGOST 8731-74: Seamless hot-deformed steel pipes. SpecificationsGOST 8733-74: Cold-formed and heat-formed seamless steel pipes. Technical requirementsGOST 8733-87: Steel seamless cold-deformed and heat-deformed ...