Process for fining carbonaceous alloys of iron, nickel and/or co

Details Process for fining carbonaceous alloys of iron, nickel and/or co Process for fining carbonaceous alloys of iron, nickel and/or co

1975-04-29

1977-02-01

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 59, C22C 3914

Patent

active

040060136

ABSTRACT:
In a process for purifying carboniferous iron, nickel and/or cobalt alloys in which the base metal tends to form a carbide, a mixture of at least one halogen and hydrogen is added to the metal melt in order to remove in the form of halides the metals present as impurities.

REFERENCES:
patent: 498061 (1893-05-01), Hunter
patent: 1322511 (1919-11-01), Armstrong
patent: 1426054 (1922-08-01), Estabrooke et al.
patent: 1727282 (1929-09-01), Gill
patent: 2174281 (1939-09-01), Gill
patent: 3199976 (1965-08-01), Dammer et al.
patent: 3484232 (1969-12-01), Karinthi et al.
patent: 3640702 (1959-09-01), Karinthi et al.

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