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.
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How to use open-hearth process in a sentence
In that period the open hearth process has been substituted on a vast scale for the Bessemer process.The Unpopular Review Vol. I | Various
Steel making by the open hearth process is chiefly due to the late Sir William Siemens.Inventors at Work | George Iles
The open-hearth process is favored also because it allows closer control of phosphorus content in the steel.The Economic Aspect of Geology | C. K. Leith
open-hearth process of making steel—Siemens-Martin, England, 1856.The Story of Great Inventions | Elmer Ellsworth Burns
To enlarge the scale of operations makes strongly for economy in the open-hearth process as in other high temperature ones.
British Dictionary definitions for open-hearth process
a process for making steel using an open-hearth furnace
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012