Steel making method

Details Steel making method Steel making method

1981-01-08

1982-05-11

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 52, 75 59, 75 60, C21C 534

Patent

active

043291716

ABSTRACT:
A method of producing steel from ferrous hot metal containing carbon includes the steps of delivering oxygen and a surrounding sheath of hydrocarbon shielding fluid to the metal and beneath its surface to elevate the temperature to about 1350.degree. C. Pelletized iron material and carbon are then simultaneously delivered to the metal at controlled rates with the rate of carbon delivery being regulated so that the carbon level within the metal maintains in substantial equilibrium. After charging of the pellets has been completed, the delivery of carbon is terminated while the delivery of oxygen and hydrocarbon shielding fluid is continued until the metal carbon level is reduced a desired level.

REFERENCES:
patent: 3953199 (1976-04-01), Michaelis
patent: 4089677 (1978-05-01), Spenceley

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