Process for aluminothermic production of chromium and chromium a

Details Process for aluminothermic production of chromium and chromium a Process for aluminothermic production of chromium and chromium a

1980-07-28

1982-05-25

Andrews, M. J.

Alloys or metallic compositions

Chromium base

75 27, C21B 1502

Patent

active

043314759

ABSTRACT:
A process is provided for the aluminothermic production of low nitrogen containing chromium and chromium alloys, said chromium alloys comprising about 80% chromium, about 20% nickel and less than 0.005% nitrogen, said alloys being especially desirable for use as master alloys in production of super alloys where levels of nitrogen imparted by chromium alloying elements are critical.

REFERENCES:
patent: 2242759 (1941-05-01), Schlecht et al.
patent: 2789896 (1957-04-01), Coffer
patent: 4169722 (1979-10-01), Fletcher

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