FIELD: metallurgy.
SUBSTANCE: compact-material consists of powdered filler-core, enveloped into steel shell in kind of wire or band and containing magnesium and burned dolomite. The powdered filler-core additionally contains carbon containing material and stavrolite at a following ratio of ingredients: magnesium: carbon containing material: burned dolomite: stavrolite - 1 : 1 : (6-8) : (5-7). As carbon containing material there is used a material chosen from the group: graphite, crushed electrodes, coke, while contents of magnesia in burned dolomite maintain at 25-30%.
EFFECT: reduction of magnesium losses and its upgraded efficiency owing to reduction of oxidation of stavrolite, dehydration of burned dolomite and generation of refined covering slag.
2 cl
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