Chromium is used to harden steel, for the production of stainless steel and several useful alloys. Depending on the class of stainless steel, the chromium content varies from 10% to 27% to improve the hardness as well as resistance to oxidation. It is also employed to impart an emerald green color to the glass.
Chromium is used as a hardener in steel , for the manufacturer of stainless steel and many useful alloys . It is also employed to give glass an emrald green colour . Chromium does not oxide in air , even in extreme moisture . Chromium metal is also an fundamental ingredient in various types of super alloys which are essential essential to the aerospace and nuclear power industries .