Spiegeleisen
[spi:gәlaizәn]
Definition
(noun.) pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel.
Edited by Jeffrey--From WordNet
Definition
(n.) See Spiegel iron.
Edited by Alexander
Definition
n. a white cast-iron containing from eight to fifteen per cent. of manganese largely used in the manufacture of steel by the Bessemer process.
Inputed by Ezra
Examples
- If steel was wanted a small amount of carbon, usually in the form of spiegeleisen, was introduced into the converter before the process was complete. William Henry Doolittle. Inventions in the Century.
- Mushet (British patent No. 2,219, of 1856) of adding spiegeleisen, a triple compound of iron, carbon and manganese, to the charge in the converter. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
Inputed by Kari