Aluminium, BS-LL111 Aluminium Alloy Bar & Extrusion T6511

Heat treatable aerospace aluminium alloy with very good corrosion resistance and weldability.

L111 is a medium strength extruded bar with an alloy strength somewhat higher than alloy 6061. It is not suitable for complex sections.

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Range Enquiry

To enquire about our range or your specific requirements, please contact your local service centre.

Temper Types

The most common temper for L111-6082 aluminium are:

  • T5
  • T4
  • T6511
  • T6


Chemical Composition


  • Aerospace components
  • High technology applications


  • Very good corrosion resistance
  • Very good weldability (lowered strength values in the weld zone)
  • Good machinability
  • Good cold formability in T4 temper after a stabilizing heat treatment.
  • Heat treatable medium high strength construction
  • Medium high fatigue strength

Find your local Service Centre

An extensive UK network of Service Centres, backed up by a central distribution facility.

  • Experienced multi-product specialists

  • In-house state of the art processing facilities

  • Large fleet of bespoke delivery vehicles

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