FIELD: foundry. SUBSTANCE: a titan-containing aftercharge is preceded by additional introducing to the melting unit the spheroidized aftercharge FS3OR3M3O in amounts of 6,6 - 1,5 % melt mass. After feeding the titan-containing aftercharge and pouring every subsequent ladle the above-mentioned spheroidized aftercharge is admitted to the extent of 0,2 - 0,4 % mass of the remaining melt, the titan-containing aftercharge being ferrotitanium FT165 and averaging between 0,2 and 0,3 % melt mass. Further the melt is ladle inoculant FS3OU35Ba with its ladle. EFFECT: more stable making iron of noncarbide structure, prolonged inoculating effect. 3 tbl
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Authors
Dates
1994-07-15—Published
1990-08-03—Filed