Method for making iron-chromium alloys

Details Method for making iron-chromium alloys Method for making iron-chromium alloys

1978-06-07

1979-12-04

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

13 9R, C21C 552

Patent

active

041770617

ABSTRACT:
Iron-chromium alloys, such as stainless steels, are made in a direct arc DC electric arc furnace with a bath of molten steel scrap in the hearth and functioning as the anode with the arcing electrode cathodic, while feeding chromium-oxide to the bath at the arc spot on the bath's surface under conditions causing reduction of the oxide and addition of chromium to the bath.

REFERENCES:
patent: 2303973 (1942-01-01), Armstrong
patent: 3158464 (1964-11-01), Chynoweth
patent: 3940551 (1976-02-01), Ling

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