Stainless steel was invented by the British metallurgist Henry Brearley Oh, in 1912, the British metallurgist Henry Brearley accidentally discovered stainless steel in the experiment, in 1915 applied for a patent and began small-scale production. From the beginning of the 20th century to the early 1950s, the United Kingdom, the United States, Germany and other countries have gradually carried out theoretical research on stainless steel, product development and small-scale production.

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