Continuous steel casting method

Details Continuous steel casting method Continuous steel casting method

1974-06-03

1976-02-03

Shore, Ronald J.

Metal founding

Process

Shaping liquid metal against a forming surface

164 82, 164 66, 164259, 164281, B22D 2718, B22D 1110

Patent

active

039358950

ABSTRACT:
The present invention relates to a continuous steel casting method for a casting capacity of more than 1.5 metric tons of steel per minute. In this method a vertically arranged, substantially rectangular mold is used, into which at least one steel stream containing inert gas is passed through a casting tube below the surface of the casting level in the mold. The casting tube is provided with lateral downwardly inclined outlet openings, whose axes lie in a vertical plane running through the larger transverse axis of the mold. The axes of the lateral outlet openings run at an angle which depends upon the perpendicular distance of the axes from the narrow side of the mold. The inert gas is supplied in an amount of 1 to 15 Ncm.sup.3 /kg steel, preferably 3 to 8 Ncm.sup.3 /kg steel, to the steel stream over its entire cross section at the place of origin above the mold. The invention is of particular advantage for slabs wider than 800 mm of aluminum-containing steel.

REFERENCES:
patent: 3465811 (1969-09-01), DeCastelet
patent: 3502249 (1970-03-01), Wagstaff
patent: 3587719 (1971-06-01), Schrewe et al.
patent: 3642052 (1972-02-01), Schrewe et al.
patent: 3648761 (1972-03-01), Speith et al.
patent: 3685986 (1972-08-01), Rutes et al.
patent: 3698466 (1972-10-01), Vogt et al.
patent: 3886992 (1975-06-01), Moos et al.
patent: 3888294 (1975-06-01), Fastner et al.

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