Abstract
To produce stainless steels more economically and ecologically in the AOD, a new process has been investigated. In this process, Cr2O3 rich slag generated at the end of the decarburization period, which has been reduced during the Fe-Si conventional reduction period, is recycled to the dephosphorized hot metal of the next heat, and is reduced with coke and [C] in the first decarburization period. As a result, more than 40 % of Fe-Si and CaO is saved and waste slag is also decreased.
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