A continuous casting nozzle for casting molten steel

Details A continuous casting nozzle for casting molten steel A continuous casting nozzle for casting molten steel

B - Operations, Transporting

22

D

B22D 41/54 (2006.01)

Patent

CA 2222315

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 36 wt%, a neutral or basic aggregate from 30 to 50 wt% like Al2O3 and pottery stone as the rest part of the above mentioned refractory.

L'invention porte sur une buse de coulée continue pour couler de l'acier calmé à l'aluminium sans obstruer le trou de la buse. La couche de surface du trou de la buse de coulée venant en contact avec l'acier fondu est composée d'un matériau réfractaire comprenant du graphite à raison de 10 à 36 % en poids, un granulat neutre ou basique à raison de 30 à 50 % en poids, tel Al2O3, et de l'alquifoux pour la partie restante du matériau réfractaire susmentionné.

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