Steelmaking of an extremely low carbon steel in a converter

Details Steelmaking of an extremely low carbon steel in a converter Steelmaking of an extremely low carbon steel in a converter

1985-06-18

1986-06-03

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5923, 75 5924, C21C 700

Patent

active

045927782

ABSTRACT:
A process for producing an extremely low carbon steel in a top- and bottom-blown converter. The process is characterized in top-blowing a mixed gas of oxygen gas and an inert gas onto a molten steel in the top- and bottom-blown converter. The mixed gas is blown through a top-blowing lance at the final decarburization stage, while a gas (selected from a group consisting of an inert gas, oxygen gas and a mixture of oxygen and an inert gas) is bottom-blown into the molten steel in the converter.

REFERENCES:
patent: 3854932 (1974-12-01), Bishop
patent: 3953199 (1976-04-01), Michaelis
patent: 4160664 (1979-07-01), Maruhashi
patent: 4178173 (1979-12-01), Gorges
patent: 4358314 (1982-11-01), Normanton
patent: 4402739 (1983-09-01), Nakanishi
patent: 4420334 (1983-12-01), Kato

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