MAGNESIA CHROME BRICK

To improve reduction resistance of a magnesia chrome brick, especially a magnesia chrome brick to be used as a lining of a vacuum processing container for a molten steel, the container being used for the process of charging therein a large amount of metal deoxidants such as aluminium.SOLUTION: This...

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Bibliographische Detailangaben
1. Verfasser:	TAMAKI TAKEYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OVENS REFRACTORIES RETORTS SLAG TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	To improve reduction resistance of a magnesia chrome brick, especially a magnesia chrome brick to be used as a lining of a vacuum processing container for a molten steel, the container being used for the process of charging therein a large amount of metal deoxidants such as aluminium.SOLUTION: This invention relates to a magnesia chrome brick, comprising 40-89.5 mass% or MgO, 10-45 mass% of CrO, and 0.5-17 mass% of AlO, wherein the amount of FeOcontained is 2 mass% or less (including 0).SELECTED DRAWING: None 【課題】マグクロれんが、特にアルミニウム等の金属脱酸剤を大量に投入する処理を行う溶鋼の真空処理容器の内張りに使用するマグクロれんがの耐還元性を向上する。【解決手段】ＭｇＯを４０〜８９．５質量％、Ｃｒ２Ｏ３を１０〜４５質量％、及びＡｌ２Ｏ３を０．５〜１７質量％含有し、しかもＦｅ２Ｏ３の含有量が２質量％以下（０を含む。）であるマグクロれんが。【選択図】なし