Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1990-03-22
1991-02-26
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
75560, 75568, C21C 702
Patent
active
049959077
ABSTRACT:
To produce deoxidized steel by the addition of deoxidizing agents to molten crude steel having an oxygen content of at least 200 ppm and the subsequent addition of alloying agents, the deoxidation is realized at least partially under the formation of liquid deoxidation products by the simultaneous addition of the two deoxidizing agents FeSi and FeMn. The method according to the invention ensures a great analytical precision of the steel and is not limited to the production of certain steels.
REFERENCES:
patent: 1017807 (1912-02-01), Rossi
patent: 2705196 (1959-03-01), Wever
patent: 3467167 (1969-09-01), Mahin
patent: 4129439 (1978-12-01), Nashiwa et al.
Rosenberg Peter D.
Voest-Alpine Industrieanlagenbau Gesellschaft m.b.H.
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