Method of obtaining manganese alloys with a medium carbon conten

Details Method of obtaining manganese alloys with a medium carbon conten Method of obtaining manganese alloys with a medium carbon conten

1979-12-31

1981-06-23

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 80, C22B 4700

Patent

active

042748712

ABSTRACT:
The invention concerns a method of obtaining manganese alloys with an average carbon content by reacting liquid, carbon-containing ferro-manganese in a fluid tight chamber. Oxygen, mixed with a heat regulating gas such as CO.sub.2, air, nitrogen, argon or steam, is introduced and by controlling the discharge of the gaseous effluent, the pressure in the reactor is adjusted between 1.5 and 15 bars, to avoid volatilization of the manganese and a refined ferro-manganese is produced containing 0.5-2% carbon.

REFERENCES:
patent: 3179514 (1965-04-01), Kirby
patent: 3305352 (1967-02-01), Day
patent: 4130417 (1978-12-01), Breuer et al.
patent: 4139370 (1979-02-01), Breuer et al.
patent: 4165980 (1979-08-01), Breuer et al.

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