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Information × Registration Number 0301U002155, 0100U001323 , R & D reports Title Development of technology and production of pilot lots of НН-ЗБ steel with high content of nitrogen for shipbuilding. popup.stage_title Розробка технології та виробництво дослідно-промислових партій високоазотистої сталі НН-ЗБ для судобудування. Head Spektor Yakiv Isakovych, Registration Date 16-02-2001 Organization Ukraine state research and development institute of special steels alloys and ferroalloys popup.description2 Method of manufacturing forged bars of HH-3Б nitrided chrome-manganese steel has been investigated and developed. Influence of tempetature of melt upon intruduction of nitrogen and influence of temperature of deformation upon structure and mechanical properties of the steel have been determined. Pilot industrial lots of metal products have been manufacted. Product Description popup.authors popup.nrat_date 2020-04-02 Close