A CONTINUOUS CASTING NOZZLE

摘要

A continuous casting nozzle for casting molten steel, wherein the surface layer of the bore of said continuous casting nozzle contacting with the molten steel is formed of a refractory material comprising silicon carbide from 1 to 10 wt %, an aggrega te comprising alumina or an aggregate which comprises alumina as main component whose melting point is not less than 1800 degree C from 15 to 60 wt %, and roseki as a main component from 30 to 84 wt % .