Osaka Gas Company Limited

Nippon Crucible Co., Ltd.

Hirokazu Asada

Akio Nakashiba

Shoji Dohi

Nobuyuki Oka

Hideaki Ohashi

Kengo Hamada

Shigenobu Yurugi

Mamoru Imajo

Yoshitaka Hayashi

Mineyoshi Nishinou

Hiroshi Sano

Akira Nishihira

The invention provides a vessel for molten metal comprising a vessel body formed of an alumina-silica-based material, and a protective layer formed of a silicon nitride- alumina-based material provided on the inner surface of the vessel body, wherein the material for the vessel body is adjusted to have an alumina content x of 72 to 95 parts by weight per 100 total parts by weight of alumina and silica, and the material for the protective layer is adjusted to have a silicon nitride content y per 100 total parts by weight of silicon nitride and alumina in such a manner that y applies to the following formulae: (1) y&#x3c;&#x2212;1.1x+128 and (2) y&#x3e;&#x2212;0.5x+62.5. The present invention provides a vessel for molten metal having excellent durability and corrosion resistance against hot molten metal.

Vessel for molten metal

Carbonaceous ceramic composite for use in contact with molten nonferrous

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Higashiosaka, Japan

Hirokazu Asada