Aluminium, Commercial AlloyAluminium Alloy 6061 T6 Extrusions

Most versatile heat treatable aluminium alloy.

Aluminium alloy 6061 is a medium to high strength heat-treatable alloy with a strength higher than 6005A.

It is the most versatile of the heat-treatable alloys and is typically used in heavy duty structures.

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Temper Types

The most common temper for 6061 aluminium is:

  • T6


Chemical Composition


  • Very good corrosion resistance
  • Very good weldability although reduced strength in the weld zone
  • Medium fatigue strength
  • Good cold formability in the temper T4, but limited formability in T6 temper
  • Not suitable for very complex cross sections

Additional Information


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