Apparatus and method for making steel alloys in a tundish

Details Apparatus and method for making steel alloys in a tundish Apparatus and method for making steel alloys in a tundish

C - Chemistry, Metallurgy

22

C

C22C 33/04 (2006.01) B22D 41/00 (2006.01) B22D 41/16 (2006.01) B22D 43/00 (2006.01)

Patent

CA 2139553

A method and apparatus are provided for making steel alloys directly in a tundish. Base steel enters the tundish from a ladle. An alloying chamber having a plurality of inlets is positioned above a tundish drain. An alloying material (for example, a wire including one or more alloying ingredients) is fed into the alloying chamber through a feed pipe originating above the liquid level in the tundish. Molten base steel enters the alloying chamber through the inlets and is mixed with the alloying material to make a steel alloy, which exits through the drain. The method and apparatus are especially suitable for making small order quantities of alloy steel of less than one ladle volume.

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