His replacement at the Brown Firth Laboratories was Dr W. H. Harry parted company with his employers over the patent rights to his invention of stainless steel, and he subsequently joined Brown Bayleys, another Sheffield-based company. It wasn’t until the summer of 1913 that the first stainless steel that we know of today was melted and contained 0.24% carbon and 12.8% chromium. Subsequently, a number of different melts of 6 to 15% chromium with differing carbon contents were made. As part of his investigation, he experimented with steels that had chromium in their make-up, as they had a higher melting point than regular steels. ![]() In 1912, a small arms manufacturer approached Harry to assist with the problems they were having with parts of a rifle barrel eroding away, resulting in Harry looking for steel with increased resistance to erosion, rather than corrosion. In 1908, having by now firmly established his reputation for solving metallurgical problems, Harry was offered the opportunity to set up Brown Firth Laboratories to pursue an incredibly innovative idea for the time research into the problems of making steel. In the following years, Harry attended night school and private study and was soon to become an expert on the field of analysis of steel and its production. ![]() Harry was born in 1871 and left school at the age of 12 after a childhood beset with poverty and hardship, to take on a job cleaning bottles in a chemical laboratory. Stainless steel was originally invented by Harry Brearly.
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