Powder for continuous casting

Details Powder for continuous casting Powder for continuous casting

B - Operations, Transporting

28

B

6/46

B28B 7/34 (2006.01) B22D 11/111 (2006.01)

Patent

CA 1064653

ABSTRACT OF THE DISCLOSURE A flux powder for use in the continuous casting of steels, particularly aluminium killed steels in the form of a mechanical mixture of components and has the following chemical analysis in weight % :- silicon dioxide 20 - 60g calcium oxide source 20 - 60, calcium fluoride 3 - 20, alkali metal carbonate 3 - 20, carbon source 4 - 20 and aluminium oxide 0 - 10. At least the inorganic components of the mixture are substantially pure, whereby the properties of the powder may be made substantially uniform and reproducible. The components preferably have a uniform grain size and calcium carbonate is disclosed as a calcium oxide source and natural graphite is a preferred carbon source.

249986

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