As early as 1821, scientists in Europe were experimenting with various iron-chromium alloys in an effort to forge a more durable form of steel, but it wasn’t until 1875 that Henri Aimé Brustlein identified the link between carbon and rust. That spurred decades of research and numerous combinations of chromium, iron, and nickel. By 1911, it was understood that a minimum of 10.5 percent chromium was required to assist in corrosion...Continue Reading