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Information × Registration Number 0310U008047, 0108U008113 , R & D reports Title Working out and approving changes in interstate standards GOST 8639-82 "Square steel tubes.Size range", GOST 8645-68 "Rectangular steel tubes. Size range" and GOST 13663-86 " Shaped steel tubes. Specifications". popup.stage_title Розробка та затвердження змін до междержавних стандартів ГОСТ 8639-82 "Трубы стальные квадратные. Сортамент ", ГОСТ 8645-68 "Трубы стальные прямоугольные. Сортамент" і ГОСТ 13663-86" Трубы стальные профильные. Технические требования". Head Sokurenko Viktor Pavlovych, Registration Date 17-09-2010 Organization State Scientific Research Tube Institute popup.description2 3 amendments have been developed to interstate delivery standards for new types of shaped tubes produced by pressure welding with furnace heating and hot sizing of round electric-welded tubes and diversification of product range and chemical composition of steel grades. Product Description popup.authors Кобякова Тетяна Михайлівна popup.nrat_date 2020-04-02 Close