Method of pouring steel

Details Method of pouring steel Method of pouring steel

1987-09-17

1989-03-21

Rolla, Joseph J.

Dispensing

Processes of dispensing

Molten metal

222591, 222593, 219300, 219301, 219427, 266236, B22D 4100

Patent

active

048135801

ABSTRACT:
Build-up on the surface of a refractory body receiving molten metal is eliminated or reduced by making at least a portion of a material that can be electrically heated to at least about 1150.degree. C., such as an alkaline-earth doped lanthanum chromite. When the surface is that of a nozzle or shroud, an electric current is supplied to heat the material around the opening in the nozzle or shroud to at least about 1150.degree. C.

REFERENCES:
patent: 3974108 (1976-08-01), Staut et al.
patent: 4041236 (1977-08-01), Dumont et al.
patent: 4359625 (1982-11-01), Okada et al.

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