open-hearth process

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Open-hearth furnace.

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open-hearth process: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Siemens-Martin process

Photos

Open-hearth furnace.

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Topics

open-hearth furnace Bessemer process crucible process tool steel wootz (steel)

Key People

Sir William Siemens, engraving after a portrait by Rudolf Lehmann

Sir William Siemens

British inventor

Pierre-Émile Martin.

Pierre-Émile Martin

French engineer

John Fritz

American authority on iron and steel