Properties of Aluminium

Pure aluminium is a silvery-white metal with many desirable characteristics. It is:

  • Non-toxic
  • Impervious
  • Non-sparking
  • Decorative
  • Easily formed, machined, and casted
  • Easily made into alloys with small amounts of copper, magnesium, silicon, manganese, and other elements, with very useful properties.
  • Strong. Depending on its purity, for example 99.996% pure aluminium, it has a tensile strength of about 49 megapascals (MPa), rising to 700 MPa following alloying and suitable heat treatment.
  • Low in density
  • Corrosion-resistant
  • Non-magnetic
  • Conductor of electricity
  • Non-combustible
  • Highly reflective
  • Heat barrier and heat conductor
  • Malleable
  • Easily worked
  • Abundant. Although not found free in nature, aluminium is an abundant element in the earth's crust.