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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). spiegel iron. Retrieved September 30, 2026, from http://smartdefine.org/spiegel_iron/definitions/2064882 |
| Chicago | Webster's. 2011. "spiegel iron" http://smartdefine.org/spiegel_iron/definitions/2064882 (accessed September 30, 2026). |
| Harvard | Webster's 2011, spiegel iron, Smart Define, viewed 30 September, 2026, <http://smartdefine.org/spiegel_iron/definitions/2064882>. |
| MLA | Webster's. "spiegel iron" 28 May 2011. Web. 30 September 2026. <http://smartdefine.org/spiegel_iron/definitions/2064882> |