FIELD: foundry. SUBSTANCE: method consists in treatment of pig iron melt in reaction chamber of mold with mechanical mixture of silicon-magnesium alloying composition with ferrosilicium FS75. Amount of ferrosilicium is determined by the formula given in invention description. EFFECT: higher efficiency. 1 tbl
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Authors
Dates
1994-07-15—Published
1992-06-23—Filed