Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1974-12-27
1976-08-24
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 59, 75 60, 266207, C21C 710, C21C 532, C21C 542
Patent
active
039764737
ABSTRACT:
A method for producing an extremely low carbon and nitrogen steel in a vacuum refining apparatus by effectively preventing air-leaks from the furnace tank, so as to lowering the nitrogen partial pressure within the tank.
REFERENCES:
patent: 2954244 (1960-09-01), Austin
patent: 3773496 (1973-11-01), Knuppel
Inatomi Makoto
Katayama Hiroyuki
Nippon Steel Corporation
Rosenberg Peter D.
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