spiegel ironmedical dictionary

<chemistry> 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.

Synonyms: specular pig iron, spiegel, and spiegeleisen.

Origin: G. Spiegel mirror + E. Iron.

(01 Mar 1998)

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