B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 41/54 (2006.01)
Patent
CA 2223356
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 formed of a refractory comprising graphite from 10 to 35 wt%, an aggregate of 10 to 60 wt% selected from from alumina matter, zirconia matter, zircon matter, or alumina-silica matter and roseki containing the pyrophyllite (Al2O3~4SiO2~H2O) as the main component as the rest part of the above mentioned materials.
L'invention porte sur un injecteur de coulée en continu pour la coulée d'acier calmé à l'aluminium, sans obstruction du trou de l'injecteur. La couche superficielle du trou de l'injecteur en contact avec l'acier fondu est constituée d'un matériau réfractaire renfermant de 10 à 35 % en poids de graphite, de 10 à 60 % en poids d'un agrégat choisi parmi un matériau à base d'alumine, de zircone ou d'alumine-silice et de roseki contenant surtout de la pyrophyllite (Al2O3~4SiO2~H2O), pour compléter les matériaux mentionnés ci-dessus.
Muroi Toshiyuki
Naito Shojiro
Akechi Ceramics Kabushiki Kaisha
Ridout & Maybee Llp
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