Many people claimed to analyze stainless steel first. Here are some of the facts:

-Discovery of chromium was in 1797 by Louis Nicholas Vauquelin;
-Development of ferrochromium was by Pierre Berthier in 1821. Though it was was weak. With high carbon content. Productions mostly failed;
-A provisional British patent was obtained for an “acid- and weather-resistant” steel alloy with ~31% chromium in 1872. Patent was never filed;
-Hans Goldschmidt developed a method for producing better low-carbon ferrochromium in 1895;
-Henri Moisson, may have developed stronger Ferrochromium, in 1895 but it was never published;
-A. Carnot and E. Goutal did report that high carbon contents reduce corrosion resistance of chromium-added steel in 1898; and
-Nearly 10 years later, Leon Guillet was sometimes credited with the development of stainless steels. He published papers starting in 1904 where he analyzed the mechanical properties for high chromium steels.

After this, one person, became popular. Harry Brearley, who was an employee of Firth Brown Research Laboratories, was credited with industrial use of stainless steel,
“Nobody was impressed; perhaps the idea of producing on a commercial scale a steel which would not corrode sounded ridiculous.”

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