Powder for continuous casting

Details Powder for continuous casting Powder for continuous casting

1976-04-13

1978-07-25

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

75 96, 106 3827, 106 69, 106286, 164123, B28B 734

Patent

active

041026900

ABSTRACT:
A flux powder for use in the continuous casting of steels, particularly aluminum killed steels in the form of a mechanical mixture of components and has the following chemical analysis by weight % :- silicon dioxide 20 - 60, calcium oxide source 20 - 60, calcium fluoride 3 - 20, alkali metal carbonate 3 - 20, carbon source 4 - 20 and aluminum 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.

REFERENCES:
patent: 3649249 (1972-03-01), Halley et al.
patent: 3708314 (1973-01-01), Kishida et al.
patent: 3937269 (1976-02-01), Salvadore et al.
patent: 3964916 (1976-06-01), Armistead et al.

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