Portrait of metallurgist, Sir Henry Bessemer

Portrait of metallurgist, Sir Henry Bessemer

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Credit: SCIENCE PHOTO LIBRARY

Caption: Portrait of Sir Henry Bessemer (1813-98), British metallurgist. Bessemer achieved fame for developing a process for the mass production of steel. He developed his 'converter', in which impurities were removed from iron, then controlled amounts of carbon added to make the desired grade of steel. Particularly important was the use of a calcium carbonate lining to the converter, used to remove the phosphorus found in European iron ore which made steel brittle. Although his original motivation was to produce steel for armaments, the process allowed steel to be made for railways and large civil engineering projects. Bessemer was knighted in 1879.

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Keywords: bessemer, bessemer h., metallurgist, portraits, sir henry, steel making, surname b

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