basic open-hearth process

basic open-hearth process

[′bā·sik ¦ō·pən ¦härth ′präs·əs]
(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.
References in periodicals archive ?
The Talbot system was the most successful and extensively used basic open-hearth process. The Bertrand-Thiel, Monell, and Saniter systems were less effective.
By reducing "the cost differential between the acid and the basic open-hearth processes," Talbot's system induced "a rapid shift" to basic steelmaking after 1900.
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