Addition agent for adding vanadium to iron base alloys
AssigneeUnion Carbide Corporation
InventorsGloria M. Faulring, Alan Fitzgibbon, Anthony F. Nasiadka
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Abstract
Addition of vanadium to molten iron-base alloys using an agglomerated mixture of V.sub.2 O.sub.3 and calcium-bearing reducing agent.
Claims12
An addition agent for adding vanadium to molten iron base alloys consisting essentially of an agglomerated, blended mixture of about 50 to 70% by weight of finely divided V.sub.2 O.sub.3 with about 30 to 50% by weight of a finely divided calcium-bearing material selected from the group consisting of calcium-silicon alloy, calcium carbide and calcium cyanamide.
A method for adding vanadium to molten iron-base alloy which comprises immersing in molten iron-base alloy an addition agent consisting essentially of an agglomerated, blended mixture of about 50 to 70% by weight of finely divided V.sub.2 O.sub.3 with about 30 to 50% by weight of a finely divided calcium-bearing material selected from the group consisting of calcium-silicon alloy, calcium carbide and calcium cyanamide.
A method for adding vanadium to molten iron-base alloy which comprises preparing an addition agent consisting essentially of an agglomerated, blended mixture of about 50 to 70% by weight of finely divided V.sub.2 O.sub.3 with about 30 to 50% by weight of a finely divided calcium-bearing material selected from the group consisting of calcium-silicon alloy, calcium carbide and calcium cyanamide, and then rapidly immersing the addition agent into the molten iron-base alloy so as to avoid any significant exposure of the addition agent to oxidizing conditions.
Dependencies are inferred from the claim text.