The creation of treated steel followed a progression of logical turns of events, beginning in 1798 when chromium was first appeared to the French Academy by Louis Vauquelin. In the mid 1800s, James Stoddart, Michael Faraday, and Robert Mallet noticed the opposition of chromium-iron composites ("chromium prepares") to oxidizing specialists. Robert Bunsen found chromium's protection from solid acids. The erosion opposition of iron-chromium composites may have been first perceived in 1821 by Pierre Berthier, who noticed their obstruction against assault by certain acids and proposed their utilization in cutlery
