pig iron

pig iron
1. iron tapped from a blast furnace and cast into pigs in preparation for conversion into steel, cast iron, or wrought iron.
2. iron in the chemical state in which it exists when tapped from the blast furnace, without alloying or refinement.
[1655-65]

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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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      crude iron obtained directly from the blast furnace and cast in molds. See cast iron.

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Universalium. 2010.

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Look at other dictionaries:

  • Pig iron — Pig Pig, n. [Cf. D. big, bigge, LG. bigge, also Dan. pige girl, Sw. piga, Icel. p[=i]ka.] 1. The young of swine, male or female; also, any swine; a hog. Two pigges in a poke. Chaucer. [1913 Webster] 2. (Zo[ o]l.) Any wild species of the genus… …   The Collaborative International Dictionary of English

  • Pig iron — Iron I ron ([imac] [u^]rn), n. [OE. iren, AS. [=i]ren, [=i]sen, [=i]sern; akin to D. ijzer, OS. [=i]sarn, OHG. [=i]sarn, [=i]san, G. eisen, Icel. [=i]sarn, j[=a]rn, Sw. & Dan. jern, and perh. to E. ice; cf. Ir. iarann, W. haiarn, Armor. houarn.]… …   The Collaborative International Dictionary of English

  • pig iron — n. [see PIG, n. 4] crude iron, as it comes from the blast furnace …   English World dictionary

  • pig iron — pig .iron n [U] a form of iron that is not pure …   Dictionary of contemporary English

  • pig iron — pig ,iron noun uncount iron that has not been treated to make it more pure …   Usage of the words and phrases in modern English

  • pig iron — ► NOUN ▪ crude iron as first obtained from a smelting furnace …   English terms dictionary

  • Pig iron — Pig iron. См. Чугуная чушка. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • Pig iron — [ thumb|300px|Two pig iron weights for use in a theatrefly system.] [ puddling process of smelting iron ore to make wrought iron from pig iron, the right half of the illustration (not shown) displays men working a blast furnace, Tiangong Kaiwu… …   Wikipedia

  • pig iron — noun crude iron tapped from a blast furnace • Hypernyms: ↑iron, ↑Fe, ↑atomic number 26 • Hyponyms: ↑basic iron, ↑cinder pig, ↑mine pig, ↑spiegeleisen, ↑spiegel, ↑ …   Useful english dictionary

  • pig iron — /ˈpɪg aɪən/ (say pig uyuhn) noun 1. iron produced in a blast furnace, poured into special moulds in preparation for making wrought iron, cast iron, or steel. 2. iron in the unrefined state, before conversion into steel, alloys, etc. Also, pig… …  

  • pig iron — the product of the blast furnace. The term was derived from the method of casting the bars of the pig iron in depressions or molds formed in the sand floor adjacent to the furnace. These were connected to a runner (known as a sow) and when filled …   Mechanics glossary

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