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Britannica online encyclopedia article on open-hearth process (metallurgy), steelmaking technique that for most of the 20th century accounted for the major part of all steel made in the world. ... The ores most readily available in both Great Britain and the United States were especially well suited to the open-hearth process,
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www.britannica.com/EBchecked/topic/429666/open-hearth-p...
www.britannica.com/EBchecked/topic/429666/open-hearth-process
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In 1919 an open-hearth worker described the process in his diary: "You lift a large sack of coal to your shoulders, run towards the white hot steel in ... By the middle of the 20th century, the open-hearth process was surpassed by other technologies. The last open-hearth furnaces in North America were bricked up in the 1980s.
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www.pbs.org/wgbh/amex/carnegie/sfeature/mf_furnace.html
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More on open-hearth process from Infoplease: ... open-hearth process: meaning and definitions - open-hearth process: Definition and Pronunciation ... Suggestions for spelling of encyclopedia/open-hearth process - The Infoplease spelling checker combines spelling help with our dictionary and thesaurus...
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open-hearth process: Definition and Pronunciation ... open-hearth process (Thesaurus) ... open-hearth process (Encyclopedia)
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www.infoplease.com/dictionary/open-hearth+process
www.infoplease.com/dictionary/open-hearth+process
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open-hearth process – Encyclopedia.com has open-hearth process articles, open-hearth process pictures, video and information at Encyclopedia.com - a FREE online library ... open-hearth process Method of producing steel in a furnace heated by overhead flames. The flames come from gas or oil burners, and oxygen may be...
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www.encyclopedia.com/doc/1O142-openhearthprocess.html
www.encyclopedia.com/doc/1O142-openhearthprocess.html
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(metallurgy) An open-hearth process for steelmaking under basic slag; used for pig iron and scrap with a phosphorus content too low for the Bessemer process and too high for the acid open-hearth process.
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www.answers.com/topic/basic-open-hearth-process
www.answers.com/topic/basic-open-hearth-process
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open-hearth process ( ¦ōpən ¦härth ′präsəs ) ( metallurgy ) A steel-making process carried out in an open-hearth furnace in which ... Sci-Tech Dictionary: open-hearth process...
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www.answers.com/topic/open-hearth-process-metallurgy
www.answers.com/topic/open-hearth-process-metallurgy
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In the bessemer process air is forced through the metal. In the open-hearth furnace the metal is protected from the flaming gases by a slag covering. Therefore it is reasonable to suppose that the final product will not contain so much gas.
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www.steelmaking.ca/Articles/Open-Hearth-Process.html
www.steelmaking.ca/Articles/Open-Hearth-Process.html
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This and the Bessemer process convert pig iron into steel by first burning the impurities from the molten iron, but the equipment used in the open-hearth process differs considerably from that used in... ... The open-hearth process was developed along the lines of the puddling process for making wrought iron,
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chestofbooks.com/crafts/mechanics/Mechanical-Processes/...
chestofbooks.com/crafts/mechanics/Mechanical-Processes/119-The-Open-Hearth-Process.html
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