Steel making process

Details Steel making process Steel making process

1980-05-29

1981-09-29

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 51, 75 59, C21C 532, C21C 534

Patent

active

042920736

ABSTRACT:
A process for making carbon steel and low-alloy steel in a basic oxygen furnace is disclosed, which comprises preparing a molten metal suitable for producing the steel in said basic oxygen furnace, carrying out the top-blowing of oxygen gas and bottom-blowing of carbon dioxide gas and then tapping the resulting molten steel. The top-blowing oxygen gas is injected through a lance onto the molten metal at an outlet velocity of Mach 0.8-2.0.

REFERENCES:
patent: 3854932 (1974-12-01), Bishop
patent: 4089677 (1978-05-01), Spenceley

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