Aluminium, BS-LL102 T4511 Bar

High strength aerospace aluminium alloy mainly used for structural components.

L102 is used in a wide variety of high strength applications across numerous industries including defence and construction.

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Related Specifications

Aluminium alloy BS L102 - 2014A is covered by standard BS EN 2L102 (1971).

Temper Types

The most common tempers for L102 - 2014A aluminium are:

  • T4511
  • T4
  • T6


Chemical Composition


  • High strength structural components
  • Aircraft (e.g. fittings and wheels)
  • Military vehicles & bridges
  • Forgings for trucks and machinery (hydraulic etc)
  • Weapons manufacture
  • Structural applications


  • Heat treatable alloy
  • High mechanical strength slightly higher than 2011 and 2017A

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