C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
53/64
C21C 5/00 (2006.01) C21C 5/32 (2006.01) C21C 5/35 (2006.01) C22C 33/04 (2006.01)
Patent
CA 1336746
A process of production of chromium containing molten iron generally comprises two steps. In a first step, top and bottom-blow injection is performed with charging carbon containing material and slag forming agent from the top of a converter for melting stainless scrap and for rising temperature of molten iron bath. In a second step which is performed subsequently to the first step, top and bottom-blow injection with charging chromium oxide and carbon from the top of the converter for reduction of chromium.
591882
Bada Hajime
Tada Chikashi
Taoka Keizo
Yamada Sumio
Kawasaki Steel Corporation
Smart & Biggar
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