Continuous casting nozzle for casting molten steel
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United States of America Patent
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-
Nov 2, 1999
Grant Date -
N/A
app pub date -
Jan 21, 1998
filing date -
Jan 21, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is related to a continuous casting nozzle for casting of aluminum killed steel without clogging of the bore of the nozzle. The surface layer of the bore of the continuous casting nozzle contacting with the molten steel is composed of a refractory comprising graphite from 10 to 35 wt %, a neutral or basic aggregate from 30 to 50 wt % such as Al.sub.2 O.sub.3 and pottery stone as the remaining part of the refractory.
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