FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy. Slag-forming mixture contains the following ingredients, wt%: portland cement 20-40, a material based on silicon oxide 30-50, syenite concentrate 7-18, a carbon containing material 3-7, a fluorine-containing material 1-5, serpentinite 5-15. Provided is higher assimilation of non-metallic inclusions from steel, reduced carbonization of steel and wear of lining of the ladle in casting.
EFFECT: due to absence of volatile compounds of fluorine in the workplace air sanitary-hygienic labour conditions of the personnel are improved.
1 cl, 2 tbl
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Authors
Dates
2016-10-27—Published
2015-06-03—Filed