GOST 24950-81 "Bend pieces and shaped inserts at curves of linear steel pipelines. Technical Specification" starting from 01.09.2019 is replaced withGOST 24950-2019 "Bend pieces and shaped inserts at curves of linear steel pipelines. Technical Specification"
GOST 2.105-95 "Unified system of design documentation. General requirements for text documents" starting from 01.02.2020 is replaced with GOST 2.105-2019 "Unified system of design documentation. General requirements for text documents»
GOST 32528-2013 "Hot rolled steel seamless pipes. Technical specification" Starting from 01.07.2019 amended with revision №1
