Open Hearth Process definitions

open-hearth process

steelmaking technique that for most of the 20th century accounted for the major part of all steel made in the world. William Siemens, a German living ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/o/22

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Open-Hearth Process

The open-hearth process is a process for making steel invented by Siemens and Martin, in which melted cast iron is converted into steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace. It is also called the Siemens-Martin process, after the inventors of the process.
Found on http://www.probertencyclopaedia.com/browse/GO.HTM

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open-hearth process

[n] - a process for making steel using an open-hearth furnace
Found on http://www.webdictionary.co.uk/definition.php?query=open-hearth%20process

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Open Hearth Process

A process for making steel from molten iron and scrap. The open hearth process has been replaced by the basic oxygen process in most modern facilities.
Found on https://annualreview2015.arcelormittal.com/fact-book/additional-information

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Open-Hearth Process

Process of making steel by heating the metal in the hearth of a regenerative furnace. In the basic open-hearth steel process, the lining of the hearth is basic, usually magnesite; whereas in the acid open-hearth steel process, an acid material, silica, is used as the furnace lining and pig iron, extremely low in phosphorous (less than 0.04%), is th...
Found on https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

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open-hearth process

noun a process for making steel using an open-hearth furnace
Found on https://www.encyclo.co.uk/local/20974

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open-hearth process

a process of steelmaking in which the charge is laid in a furnace on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
Found on https://www.infoplease.com/dictionary/open-hearth-process

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Open-Hearth Process

Process of making steel by heating the metal in the hearth of a regenerative furnace. In the basic open-hearth steel process, the lining of the hearth is basic, usually magnesite; whereas in the acid open-hearth steel process, an acid material, silica, is used as the furnace lining and pig iron, extremely low in phosphorous
Found on https://www.unifiedalloys.com/resources/glossary/

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Open hearth process

A process for making steel from molten iron and scrap. The open hearth furnace has a shallow hearth and roof that help to remove impurities from the molten iron. The flame and gases pass across the top of the enclosed hearth, heat being reflected down onto the material in the hearth. This process has been replaced by the basic oxygen process in mos...
Found on https://www.worldsteel.org/about-steel/steel-glossary.html

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