What is Chromium used for?

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Chromium is used predominantly in the metal industry for making stainless steel and in chrome plating due to its hardness and corrosion resistance. It also functions as a dietary mineral for metabolism, acts as a catalyst in various chemical and dyeing processes, and is used in paints, pigments, leather tanning, and wood preservatives. 
Industrial Uses

• Stainless Steel & Alloys:
  Chromium is a key component in stainless steel and other alloys, increasing their strength, heat resistance, and resistance to rust. 
• Chrome Plating:
  It provides a hard, shiny, and protective layer on other metals, used for items like vehicle parts, taps, and door handles to prevent corrosion and wear. 
• Chemical Industry:
  Chromium compounds are used as catalysts in chemical manufacturing, in the production of dyes, and as wood preservatives and corrosion inhibitors. 
• Pigments & Dyes:
  Its compounds provide vibrant colours for paints, ceramics, and pottery. 

Other Uses

• Medicine:
  A radioactive form of chromium is used in medicine to label red blood cells, helping to study blood cell turnover, internal bleeding, and other blood-related conditions. 

• Dietary Supplement:
  Trivalent chromium is an essential trace mineral that aids in the breakdown of fats and carbohydrates and helps enhance the action of insulin. 

• Leather Tanning:
  Chromium (III) is a crucial component in the tanning process to convert animal hides into leather.