FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field and can be used for manufacturing of high-duty cast iron with globular graphite. For receiving of magnesium-bearing nano- modifying agent is blended with water solution of polyvinyl alcohol, chloride of magnesium and iron in molar correlation (10-5):1:1, agreeably, it is evaporated specified mixture before gel formation after what it is implemented carbonation at temperature 350-500°C in atmosphere of inert gas with formation of carbon nanotube, filled by chloride of magnesium and iron.
EFFECT: invention decrease magnesium losses 1,5-2 times with introduction of nano- modifying agents into the cast iron.
6 ex, 1 tbl, 6 dwg
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