Alloys or metallic compositions – Ferrous – Processes
Patent
1987-11-05
1988-11-01
Rosenberg, Peter D.
Alloys or metallic compositions
Ferrous
Processes
266265, 420 86, C22C 3300
Patent
active
047818875
ABSTRACT:
A method of producing a steel alloy containing lead or bismuth which includes fluorine molten lead or bismuth through a hollomed stopper rod positioned above a nozzle opening in the bottom of a vessel containing molten steel.
REFERENCES:
patent: 3322530 (1967-05-01), Nakamura
patent: 3756805 (1973-09-01), Ormaechea
Nippon Steel Corporation
Rosenberg Peter D.
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