Continuous casting nozzle for molten steel
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United States of America Patent
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-
Mar 18, 2003
Grant Date -
N/A
app pub date -
Dec 5, 2000
filing date -
Oct 8, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A continuous casting nozzle for casting molten steel, wherein at least a surface layer of an inner bore of the continuous casting nozzle contacting with a molten steel is formed of a refractory comprising: an aggregate consisting essentially of alumina (Al.sub.2 O.sub.3) or an aggregate comprising alumina (A1.sub.2 O.sub.3) as its main ingredient and melting point thereof being at least 1800 degree centigrade: from 15 to 60 wt. % and roseki as a balance. The refractory is added thermosetting resin as binder, kneaded, formed, and sintered in an anti-oxidizing atmosphere.
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