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Definition: The Bessemer Steel Process was a process of producing high-quality steel by shooting air into molten steel to burn off carbon and other impurities. It was named for the British inventor Sir Henry Bessemer, who worked to develop the process in the 1850s.
1856: Englishman Henry Bessemer receives a U.S. patent for a new steelmaking process that revolutionizes the industry. The Bessemer converter was a squat, ugly, clay-lined crucible that simplified the problem of removing impurities â excess manganese and carbon, mostly â from pig iron through the process of oxidation.