Aluminium, Commercial Alloy3103 H14 Sheet

A commercial aluminium alloy which is close in properties to 3003.

Aluminium 3103 is a medium strength aluminium alloy often found in transport and HVAC applications.

It has very similar properties to 3003. It has better mechanical properties over the 1000 series alloys especially at elevated temperatures.

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Sheet SizeThicknesses
2000 x 10001.0mm - 1.5mm
2500 x 12501.0mm - 3.0mm
3000 x 12503.0mm
If you do not see what you are looking for, please contact your local service centre with your specific requirements.

Related Specifications

Aluminium alloy 3103 corresponds to the following standard designations and specifications but may not be a direct equivalent:

  • ISO Al Mn1

Temper Types

  • H14


Chemical Composition


  • Heat exchangers
  • Air condition evaporators
  • Aircraft and military components
  • Motor vehicle radiators
  • Freezer linings
  • Cladding alloy
  • Office equipment
  • Tubing and piping
  • Pressure vessels


  • Good cold workability
  • Very good weldability
  • Good resistance to atmospheric corrosion

Additional Information


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