Molten steel pouring nozzle

Details Molten steel pouring nozzle Molten steel pouring nozzle

1993-08-20

1994-09-20

Kastler, Scott

Dispensing

Molten metal dispensing

With subjacent flow guide

266236, 266286, B22D 4154

Patent

active

053482034

ABSTRACT:
A molten steel pouring nozzle which comprises: a nozzle body comprising an alumina-graphite refractory, having, along the axis thereof, a bore through which molten steel flows; and an outer refractory layer arranged on an outside portion of the nozzle body so as to be integral with the nozzle body and to be flush with an outer surface thereof, the outer refractory layer being arranged on a portion of the outside portion of the nozzle body, which portion is in contact, when a lower portion of the molten steel pouring nozzle is immersed into molten steel, with the open air without being immersed into the molten steel, and the outer refractory layer consisting essentially of:

REFERENCES:
patent: 3752372 (1973-08-01), Mitchell, III
patent: 3753744 (1973-08-01), Komaru et al.
patent: 5188989 (1993-02-01), Winkelbauer et al.
patent: 5198126 (1993-03-01), Lee
The Tekko Binran (Iron and Steel Handbook), Third edition, vol. II, Ironmakin and Steelmaking, published on Sep. 20, 1980, p. 802.

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