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Aluminum is the most widespread metal in the earth's crust. By production capacity and the scale of use it is second only to ferrous metals. Its low density (2700 kg/m3), high electrical and thermal conductivity, good corrosion resistance in the atmosphere and aggressive environment are the reason for its wide use. 

The properties of aluminum and its application: 

  • high reflectivity of aluminum is used for the production of high-power reflectors, mirrors, large television screens; 
  • high ductility of aluminum makes it easy-machinable in cold and hot state. Aluminium and its alloys do not lose ductility at low temperatures, therefore tanks for cryogenic liquids and heat exchangers for helium liquefaction are made of them; 
  • high conductivity of aluminum stipulates its wide use in electrical engineering (instead of expensive and heavy copper) to manufacture wires, cables, control line for switchgears, capacitors, etc.; 
  • high thermal conductivity of aluminum makes it indispensable while producing various heat exchangers, industrial and household refrigerators; 
  • aluminum is resistant to corrosion in atmosphere due to dense oxide film on its surface; it does not corrode in fresh water and has a high corrosion resistance in clean sea water, concentrated nitric acid and certain organic acids (acetic, citric, butyric, and others); 
  • pure aluminum is used in aviation industry for oil and fuel pipes, foil for honeycomb structures; 
  • the use of aluminum in construction (building facades, windows, railings, handles, and etc.) has considerably increased recently;
  • aluminum is also used in the nuclear industry, pyrotechnics, aluminothermy to protect the metallic surfaces against corrosion, etc.; 
  • generally aluminum is stent to produce aluminum alloys that are due to their low density and sufficient strength are widely used in mechanical engineering (especially in aircraft) and construction.