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pig iron

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.07 sec.
pig iron: see iron iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.847; m.p. about 1,535°C;; b.p. about 2,750°C;; sp. gr. 7.87 at 20°C;; valence +2, +3, +4, or +6. Iron is biologically significant.
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pig iron

Crude iron obtained directly from the blast furnace and cast in molds (see cast iron). The crude ingots, called pigs, are then remelted along with scrap and alloying elements and recast into molds to produce various iron and steel products (see Bessemer process, finery process, puddling process).



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As soon as it became light enough for me to see my surroundings I noticed that I was near a large ship, and that this ship seemed to be unloading a cargo of pig iron.
 
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