open-hearth scrap

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• open-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… …   Universalium

• Open hearth furnace — Engineering portal …   Wikipedia

• open-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… …   Useful english dictionary

• open-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 …   English new terms dictionary

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• iron 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… …   Universalium

• Sharon Steel Corporation — The Sharon Steel Corporation was one a steel plant, and is notable due to its contribution toward the growth of the iron and steel industry in the Shenango River Valley, Mercer County, Pennsylvania. The longest surviving was the Sharon Iron… …   Wikipedia

• Puddling (metallurgy) — Puddling was an Industrial Revolution means of making iron and steel. In the original puddling technique, molten iron in a reverberatory furnace was stirred with rods, which were consumed in the process. Later, it was also used to produce a good… …   Wikipedia

• Duluth Works — The Duluth Works was an industrial steel and cement manufacturing complex located in Duluth, Minnesota, in operation 1915 to 1987. The complex was operated by the United States Steel Corporation. Officially, the plant s purpose was to supply the… …   Wikipedia