C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
53/365
C22C 1/02 (2006.01) C21C 1/02 (2006.01) C21C 1/10 (2006.01) C22B 9/10 (2006.01) C22C 33/10 (2006.01)
Patent
CA 1162746
12,323 METHOD FOR THE ADDITION OF A REACTIVE METAL TO A MOLTEN METAL BATH ABSTRACT OF THE DISCLOSURE A method for the addition of a reactive metal to a molten metal bath wherein the vapor pressure of the reactive metal at the bath temperature exceeds the total ambient pressure above the surface of the bath by establishing a gaseous atmosphere containing a nonreactive gas and a small quantity of SF6 above the surface of the bath so as to increase the recovery of the reactive metal addition in the bath. S P E C I F I C A T I O N
344542
Elkem Metals Company
Macrae & Co.
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