Process and an apparatus for casting steel ingots

Details Process and an apparatus for casting steel ingots Process and an apparatus for casting steel ingots

B - Operations, Transporting

22

D

22/188, 22/74

B22D 18/00 (2006.01) B22D 27/06 (2006.01) B22D 27/15 (2006.01)

Patent

CA 1059725

ABSTRACT OF THE DISCLOSURE A process and an apparatus for casting steel ingots, wherein the steel from a ladle is cast under vacuum through the lid of a container which can be evacuated, into a mould, and wherein covering powder or anti- piping compound, respectively, is evenly applied upon the surface of the molten steel in the mould while the vacuum is maintained. By this pro- cedure a cast ingot having fewer inclusions of anti-piping compound and prematurely solidified material is obtained.

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