FIELD: metallurgy.
SUBSTANCE: proposed slag-forming mix contains in wt %: fluor spar concentrate - 12-20, sienite concentrate - 15-25, pulverised quartz - 8-15, anhydrous sodium carbonate - 4-8, ammonium chloride - 2-8, casting cryptocrystalline graphite - 3-6, absorbent coal - 3-5, ground amber mica - 1-5, portland cement making the rest. Ammonium chloride and/or absorbent coal reduces content of hydrated moisture in the mix, hence, hydrogen in poured steel.
EFFECT: improved surface quality.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| SLAG FORMING MIXTURE FOR IN-MOLD PROTECTION OF STEEL AT PERITECTIC CONVERSION DURING BATCH CONTINUOUS CASTING OF STEEL | 2006 |
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| SLAG-FORMING MIXTURE FOR CONTINUOUS POURING OF STEEL | 2008 |
|
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| SLAG-FORMING MIX FOR CONTINUOUSLY CASTING STEEL | 2003 |
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