GOST 427-1975 Measuring metal rules. Basic parameters and dimensions. Specifications
GOST 535-1988 Common quality carbon bar and shaped sections. General specifications
GOST 5781-1982 Hot-rolled steel for reinforcement of ferroconcrete structures. Specifications
GOST 591 Chain transmission sprocket wheels for roller chains. Methods of calculation and construction of tooth profile and cutting tool form. Tolerances
GOST 9.014-1978 Unified system of corrosion and ageing protection. Temporary corrosion protection of products. General requirements