General Refractories Company

Osterreichisch-amerikanische Magnesit Aktiengesellschaft

Gunther L Mortl

Joseph L Stein

George A Russell, Jr

Refractory chrome-magnesia bricks and compositions composed of a granular fused material having a grain size of 12 mm or less, and a content of from 71 to 83 wt. % Cr.sub.2 O.sub.3 and from 17 to 29 wt. % MgO, the minimum content of Cr.sub.2 O.sub.3 and MgO being 94 wt. %.

Refractory chrome-magnesia bricks and compositions made from granular

Improved carbon-containing, chemically bonded, refractory compositions, usually magnesia or alumina base, including about 1% to 20% by weight carbon and about 0.5% to 10% by weight steel fibers, low carbon steel fibers, or stainless steel fibers of about 10-50 mm in length and about 0.1 mm to about 1.0 mm in diameter of any cross-sectional shape distributed in the carbon-bearing matrix and bonded thereto. Other fibers compatible with both the intended application and the base composition may also be used.

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Villach, Austria

Gunther L Mortl