Immersion nozzle for continuous casting

Details Immersion nozzle for continuous casting Immersion nozzle for continuous casting

1987-03-05

1987-09-08

Godici, Nicholas P.

Dispensing

Molten metal dispensing

164437, B22D 1110

Patent

active

046918442

ABSTRACT:
An immersion nozzle for continuous casting includes a nozzle body and a conduit extending longitudinally through the nozzle body. At least a portion of the interior surface of the nozzle which surrounds the conduit is made of a refractory material including 40-92 wt. % ZrO.sub.2, 5-40 wt. % C and 3-20 wt. % of an oxide admixture of (1) RO and RO.sub.2, wherein RO is at least one member selected from the group consisting of CaO, MgO and MnO; and RO.sub.2 is at least one member selected from the group consisting of SiO.sub.2 and TiO.sub.2 ; or (2) RO, RO.sub.2 and R.sub.2 O.sub.3 wherein RO and RO.sub.2 are as defined above and R.sub.2 O.sub.3 is at least one member selected from the group consisting of Al.sub.2 O.sub.3 and Cr.sub.2 O.sub.3.

REFERENCES:
patent: 4568007 (1986-02-01), Fishler

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