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Results for spiegeleisen
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An alloy of iron containing approximately 15 percent manganese and small quantities of carbon and silicon, used in the Bessemer process.
[German : Spiegel, mirror (from Middle High German, from Old High German spiagal, from Latin speculum; see speculum) + Eisen, iron (from Middle High German īsen, from Old High German īsan).]
The noun has one meaning:
Meaning #1:
pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel
Synonyms: spiegel, spiegel iron
Spiegeleisen (German: Spiegel— mirror or specular; Eisen—iron) is a ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon. Historically, this was the standard form in which manganese was traded and used in steel making (see Bessemer process); today, manganese is usually traded and used in more concentrated form, 80% manganese content being typical.
Spiegeleisen is sometimes also referred to as specular pig iron, Spiegel iron, just Spiegel, or Bisalloy.
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Copyrights:
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 | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more |
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| WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Spiegeleisen". Read more |
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