Processes for steel making by oxygen refining of iron

Details Processes for steel making by oxygen refining of iron Processes for steel making by oxygen refining of iron

C - Chemistry, Metallurgy

21

C

53/104

C21C 1/02 (2006.01) C21C 5/36 (2006.01) C21C 7/064 (2006.01)

Patent

CA 1063807

ABSTRACT OF THE DISCLOSURE The disclosure relates to a process for obtaining low phosphorus steel by oxygen refining of liquid iron in the presence of a slag containing lime, alumina, silica and iron oxides. At the beginning of the operation there is added to the liquid metal a charge of composition calculated such that during all the refining operation the slag contains a solid phase consisting substantially only of calcium oxide, which disappears at the end of the operation and only at this moment, and a liquid phase which remains substantially saturated in magnesium oxide and such that at the end of the operation a slag is obtained-containing: Image

226823

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