Method and agents for producing clean steel

Details Method and agents for producing clean steel Method and agents for producing clean steel

1985-07-17

1986-05-06

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 53, C21C 702

Patent

active

045869561

ABSTRACT:
A method for producing exceptionally clean steel wherein desulphurization agents are added to the tap ladle during the first one-third volume of steel tapped and then adding a reduced amount of a deoxidizing agent and then adding slag conditioner agents when one-half of the volume of steel is tapped and then adding an expandable ladle cover compound when substantially two-thirds of the volume of steel is tapped. Argon is then blown through the steel at a rate sufficient to create a bubbling action and finally a deoxidizing agent is added when the final volume of steel has been tapped.

REFERENCES:
patent: 2221784 (1940-11-01), Critchett
patent: 4036635 (1977-07-01), Klapdar
patent: 4238227 (1980-12-01), Golas
patent: 4341554 (1982-07-01), Kuros
patent: 4490173 (1984-12-01), Schwer

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