open-hearth pig iron
1Open hearth furnace — Engineering portal …
2open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls. [1885 90] * * * or Siemens Martin process Steelmaking… …
3open-hearth process — noun a process for making steel using an open hearth furnace • Hypernyms: ↑steel production * * * noun : a process of making steel in a furnace of the regenerative reverberatory type from pig iron usually charged molten by adding to it with lime… …
4Pig 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… …
5open-hearth process — noun a steel making process in which scrap iron or steel, limestone, and pig iron are melted together in a shallow reverberatory furnace …
6open-hearth process — noun Date: 1882 a process of making steel from pig iron in a furnace of the regenerative reverberatory type …
7iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
8Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
9Cornwall Iron Furnace — U.S. National Register of Historic Places U.S. National Historic Landmark …
10Visvesvaraya Iron and Steel Limited — (VISL) is a company involved in the production of alloy steels and pig iron and located in the city of Bhadravathi, India.cite web|url=http://www.expressindia.com/news/fe/daily/20000503/fco03067.html|work=Online Edition of The Indian Express,… …
