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n use high carbon ferro- chrome and to decarburize the bath at selectively lower temperatures would be required. If carbon is to be oxidized in preference to Cr at low temperatures, a reduction in pressure of CO from 1 atmosph

f argon +oxygen is injected through the tuyeres located on the side of the converter shell. Fe-Cr- Ni-C alloy melt is prepared in EAF. Melt is charged in AOD vessel. High carbon-ferrochrome is charged. In the initial stage a mixture of O2: Ar in 3:1 ratio is blown through the side tuyeres. When carbon reduces to 30% of the original value the ratio of O2: Ar is changed to 2: 1 and blow is continued to attain 0.09 to 0.12% C. First stage of blow generates sufficient amount of heat due to oxidation of Cr and hence coolants are added (5%