Method of producing stainless steel

Details Method of producing stainless steel Method of producing stainless steel

1973-11-28

1977-01-04

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 52, 75 59, 75 60, C21C 534

Patent

active

040010120

ABSTRACT:
A process for producing stainless steel whereby unrefined molten iron is partially refined by blowing oxygen therethrough to slag the phosphorus; removing the slag therefrom; adding chromium-bearing material to the metal and blowing with oxygen shielded with a protective jacket fluid to melt the chromium-bearing material; thereafter continuing the blow to refine the chromium-containing metal; and finally adding slag reducing agents and blowing with inert gas to reduce chromium from the slag, and remove dissolved gases from the metal.

REFERENCES:
patent: 3711278 (1973-01-01), Josefsson
patent: 3773496 (1973-11-01), Knuppel

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