GOST 7419.2-1978 Hot rolled spring steel. Spring steel strip with rounded edges. Assortment
GOST 7419.4-1978 Hot rolled spring steel. Spring strip steel. Assortment
GOST 8.064-1979 State system for ensuring the uniformity of measurements. The state special standard of unit of hardness on rockwell and super-rockwell scales
GOST 9.014-1978 Unified system of corrosion and ageing protection. Temporary corrosion protection of products. General requirements
GOST 9.301-1986 Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. General requirements
GOST 9.302-1988 Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. Control methods
GOST 9.303-1984 Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. General requirements for selection
GOST 9012-1959 Metals. Method of Brinell hardness measurement*, 2024-04-19 Update
GOST 9013-1959 Metals. Method of measuring Rockwell hardness*, 2024-04-19 Update