Particulate slagging composition for the extended optimum contin

Details Particulate slagging composition for the extended optimum contin Particulate slagging composition for the extended optimum contin

1979-04-04

1980-11-25

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 53, 164 55, 164 56, C22B 910

Patent

active

042356326

ABSTRACT:
A particulate slagging composition for the extended optimum continuous casting of a steel which tends to evolve alumina into the molten protective layer of said composition maintained on the top of a pool of molten steel. Such particulate slagging composition is characterized by a R' ratio (the sum of the theoretical net oxide analysis values of CaO+MgO+BaO+SrO+MnO+FeO+F+B.sub.2 O.sub.3 to the theoretical net oxide analysis value of SiO.sub.2) preselected for obtaining Opertional ADK values not substantially in excess of about 750 seconds after substantial absorption of alumina from the steel.

REFERENCES:
patent: 3052936 (1962-09-01), Hamilton
patent: 3331680 (1967-07-01), Leupold
patent: 3959031 (1976-05-01), More
patent: 4066478 (1979-04-01), DeHaeck

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