Nozzles for casting aluminum-killed steels

Details Nozzles for casting aluminum-killed steels Nozzles for casting aluminum-killed steels

1984-07-06

1987-07-28

Rolla, Joseph J.

Dispensing

Molten metal dispensing

501123, B22D 4100

Patent

active

046827170

ABSTRACT:
The improvement consists in forming the nozzles in two parts, the first as a body made of a refractory material, preferably zirconium oxide or magnesite, having a central axial cavity passing right through it, and the second as a body of a calcium-oxide based refractory material, having an appropriate passage for the liquid steel and located in said axial cavity.

REFERENCES:
patent: 3523804 (1970-08-01), Fukatsu et al.
patent: 3540899 (1970-11-01), Alper et al.
patent: 4549677 (1985-10-01), Marino et al.

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