Controlling disolved oxygen content in molten steel

Details Controlling disolved oxygen content in molten steel Controlling disolved oxygen content in molten steel

C - Chemistry, Metallurgy

21

C

53/107

C21C 7/06 (2006.01) C21C 5/28 (2006.01) C21C 7/00 (2006.01)

Patent

CA 1329483

ABSTRACT "CONTROLLING DISSOLVED OXYGEN CONTENT IN MOLTEN STEEL" The dissolved oxygen content in a bath of molten steel is controlled, in one embodiment, by diluting a slag layer atop the bath with an oxide such as lime (CaO), to reduce the percentage of MnO and FeO in the slag, and stirring the bath of molten steel. In another embodiment, a gaseous mixture of an inert gas and carbon monoxide in disequilibrium with the carbon and dissolved oxygen content is bubbled through the bath.

554967

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