Metallurgical process

Details Metallurgical process Metallurgical process

1977-05-02

1980-02-12

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 534

Patent

active

041882067

ABSTRACT:
The carbon content in iron, cobalt, or nickel based alloys containing at least about 16% chromium is substantially eliminated without significant loss of chromium by blowing the alloy with oxygen to oxidize the carbon and simultaneously introducing steam or ammonia in amounts such that the partial pressure of carbon monoxide (formed by oxidation of carbon) is lower than that which corresponds to the equilibrium pressure for the carbon/chromium oxidation e.g. below 0.95 and preferably below 0.5 atmospheres.

REFERENCES:
patent: 3867135 (1975-02-01), Johnsson
patent: 3867136 (1975-02-01), Eriksson
patent: 3898079 (1975-05-01), Eriksson
patent: 3990888 (1976-11-01), Eriksson

Affiliated with

Also associated with

Rating

Metallurgical process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Metallurgical process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metallurgical process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1853570