Refractory composition for the prevention of alumina clogging

Dispensing – Molten metal dispensing – With subjacent flow guide

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501 99, 501103, B22D41/08

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active

059025115

ABSTRACT:
A molten steel pouring nozzle having a bore therethrough, at least a portion of the nozzle forming the bore being comprised of a refractory having calcium zirconate: from 20 to 75 weight %, graphite: from 5 to 30 weight %, and calcium silicide: from 0.5 to 15 weight %.

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