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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
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
MAGNESIA CHROME BRICK
マグクロれんが
TAMAKI TAKEYUKI (author)
2019-05-16
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
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DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE