Method of and smelter for producing steel with high...

Details Method of and smelter for producing steel with high... Method of and smelter for producing steel with high...

C - Chemistry, Metallurgy

21

C

C21C 5/28 (2006.01)

Patent

CA 2733474

A method of and a smelter for producing steel (1) with a high manganese and low carbon content on the basis of liquid pig iron (2) or liquid steel (3) and slag-forming constituents (4) with the object of preventing existing drawbacks of process route in vessels other than, e.g., electrical are furnaces (18). With steel produced with a high manganese and low carbon content, in a process, the carbon component is reduced to about .7-.8% by a combined blowing of oxygen (7) through top lances (8) and underbath nozzles (9) after feeding of liquid ferro-manganese (50 and liquid steel (3a) in a FeMn-refining converter (6a), wherein a component of a cold end product from premelt is added as cooling means (10), and wherein the carbon component is reduced to about.05-.1%C by a continuous blowing of oxygen (7) through the underbath nozzles.

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