Abstract
The method of out-of-furnace treatment of steel in the ladle includes feeding into the ladle into the melt of metal deoxidizers, alloying and slag-forming mixture containing calcium oxide and fluorspar, and purging the melt with neutral gas. In the slag-forming mixture is additionally introduced pegmatite, with this ratio of components, wt. %: fluorspar 6-14, pegmatite 18-26, calcium oxide - the rest.
Translated title of the contribution | A method of steel tretament in the ladle |
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Original language | Multiple languages |
Patent number | UA122783 |
IPC | C21C 7/00,C21C 7/076 |
Priority date | 11/09/2017 |
Publication status | Published - 25 Jan 2018 |
MoE publication type | H1 Granted patent |