The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities and undesired elements, primarily excess carbon, contained in the pig iron by oxidation with air being blown through the molten iron.
The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities and undesired elements, primarily excess carbon, contained in the pig iron by oxidation with air being blown through the molten iron.
Source: Wikipedia "Bessemer process" · CC BY-SA 4.0
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