from The Century Dictionary and Cyclopedia
- To restore to (a metal) the carbon previously removed, especially in any metallurgical operation connected with the manufacture of iron or steel.
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Manganese ores are used mainly in the manufacture of steel, the alloys spiegeleisen and ferromanganese being added to the molten steel after treatment in the Bessemer converter and open-hearth furnace in order to recarburize and purify the metal.
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