A continuous casting nozzle

Details A continuous casting nozzle A continuous casting nozzle

B - Operations, Transporting

22

D

B22D 41/54 (2006.01)

Patent

CA 2302310

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 aggregate 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 % .

L'invention concerne une buse de coulée continue pour acier en fusion, qui se caractérise en ce qu'une couche superficielle d'un orifice interne en contact avec l'acier en fusion de la buse de coulée continue comprend une composition contenant a) 30 à 84 % en poids d'agalmatolite; b) 15 à 60 % en poids d'un agrégat constitué de Al2O3, ou d'un agrégat constitué principalement de Al2O3 et ayant un point de fusion d'au moins 1800 DEG C; et c) 1 à 10 % en poids de carbure de silicium.

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