Method of making steel ingots

Details Method of making steel ingots Method of making steel ingots

C - Chemistry, Metallurgy

21

C

53/72

C21C 5/52 (2006.01) C22B 9/18 (2006.01)

Patent

CA 1091934

ABSTRACT OF THE DISCLOSURE: In a method and apparatus for making steel ingots with low hydrogen and sulphur contents according to the electric slag remelting procedure an electrode to be remelted is guided through an opening in a lid of a mould, an annular gap is provided between the opening in the lid and the electrode, a flush gas is introduced into the mould and into the annular gap, the hydrogen content of the slag is lowered before remelting starts, dry air is introduced into the mould to above the slag during the remelting procedure, and a gas curtain of dry air is simultaneously created in the annular gap to prevent water- vapour-containing air from entering the mould.

276599

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