• Chrome can be applied to the surfaces of vehicles.chrome image by Fr??d??ric Prochasson from Fotolia.com
  
  Chrome is all around us. It is found on surfaces as diverse as kettles, cars, door handles and household appliances. Chrome is another name for Chromium. It can be applied as a thin layer to other metals such as steel, aluminum or copper, or even to other materials, such as plastic.
  
  

Class 1

• Class 1 is a type of decorative finish or a finish that can be applied to resist corrosion. This class of finish is .0001 inch thick. It can be used with other metals such as nickel or copper.
  
  

Class 2

• For this specification of chrome, the thickness can vary according to the manufacturer's specifications. It is usually applied directly to metal.
  
  

Class 2a

• Class 2a chrome can be plated to specified dimensions or shaped into specific dimensions after it is plated.
  
  

Class 2b

• Class 2b refers to chrome applied to items that are either static or dynamic.
  
  

Class 2c

• The Class2c specification is an unlimited life coating that can be applied to metals even if the load the metal is subjected to is dynamic.
  
  

Class 2d

• The Class 2d chrome classification is for a coating that is harder than 2c, but will not last if the metal is exposed to a dynamic load.