Continuous casting nozzle for molten steel
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United States of America Patent
Stats
-
Sep 4, 2001
Grant Date -
N/A
app pub date -
Jul 8, 1999
filing date -
Jul 9, 1998
priority date (Note) -
Expired
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 zirconia (ZrO.sub.2), or comprising zirconia (ZrO.sub.2) as its main component and melting point thereof being at least 1750.degree. C.: from 15 to 60 wt. %; and roseki as a balance. The refractory is added to a thermosetting resin as a binder, kneaded, formed, and sintered in an anti-oxidizing atmosphere.
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