Category:Spiegel iron

Spie"gel i`ron. Etym: [g. spiegel mirror + e. iron.] (metal.)

Defn: 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.