Thesaurus: spiegel iron

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1. A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. Called also specular pig iron, spiegel, and spiegeleisen.
2. n. pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel
3. A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. Called also specular pig iron, spiegel, and spiegeleisen.
4. A fusible white cast iron containing a large amount of carbon(from three and a half to six per cent) and some manganese. When themanganese reaches twenty-five per cent and upwards it has a granularstructure, and constitutes the alloy ferro manganese, largely used inthe manufacture of Bessemer steel. Called also specular pig iron,spiegel, and spiegeleisen.