REFRACTORY FOR STEEL CASTING, PLATE FOR SLIDING NOZZLE DEVICE, AND METHOD FOR PRODUCING REFRACTORY FOR STEEL CASTING

The problem of the present invention is to suppress destruction of a refractory which contains a metal aluminum. The refractory of the present invention is characterized by that the refractory is a refractory for steel casting which includes a refractory material containing a free carbon in the rang...

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Bibliographische Detailangaben
Hauptverfasser:	AKAMINE, KEIICHIRO, MAKINO, TARO, ITO, KAZUO
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	ARTIFICIAL STONE CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The problem of the present invention is to suppress destruction of a refractory which contains a metal aluminum. The refractory of the present invention is characterized by that the refractory is a refractory for steel casting which includes a refractory material containing a free carbon in the range of 1 to 10% by mass, both inclusive, a metal aluminum in the range of 1 to 15% by mass, both inclusive, and a metal oxide in a balance; and the refractory for steel casting satisfies Equation 1, provided that a metal aluminum content in the refractory is designated by Al% by mass, an apparent porosity thereof is designated by P%, and a bulk density thereof is designated by D. 0.31 × A 1 ‰¤ P ˆ’ 4 / D