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Strength in numbers

Aluminium Alloy   |   BS-L

L93 (AMS 4029) Plate

Commercial2014A

Applications:
High strength structural components for aircraft , military vehicles and bridges, weapons manufacture, structural applications.

Characteristics:
Heat treatable alloy. High mechanical strength slightly higher than 2011 and 2017A.


Chemical Composition

BS 2L93(1971)
Alloy L93
Chemical Element % Present
Aluminium (Al) balance
Tin (Sn) 0.05 max
Lead (Pb) 0.05 max
Chromium (Cr) 0.1 max
Titanium + Zirconium (Ti+Zr) 0.2 max
Zinc (Zn) 0.2 max
Nickel (Ni) 0.2 max
Iron (Fe) 0.5 max
Magnesium (Mg) 0.2 - 0.8
Silicon (Si) 0.5 - 0.9
Manganese (Mn) 0.4 - 1.2
Copper (Cu) 3.9 - 5

Alloy Designations

Aluminium alloy L93 - 2014A is covered by Standard BS EN 2100 and has similarities to the following standard designations and specifications but may not be a direct equivalent:

2014 / 2014A             AMS 4029


Temper Types

The most common tempers for L93 - 2014A aluminium are:

  • T4
  • T6
  • T651

Supplied Forms

L93-2014A aluminium is supplied in Plate

  • Plate

Generic Physical Properties

Physical Property Value
Density 2800 g/cm³
Melting Point 640 °C
Thermal Expansion 22.8 x10^-6 /K
Modulus of Elasticity 73000 GPa
Thermal Conductivity 134 - 135 W/m.K

Mechanical Properties

These Mechanical Properties apply to plate in the T651 temper

Thickness (mm) Proof strength (Min) Tensile Strength (Min) Elongation % (Min)
Over 6 up to & incl. 12.5 410 460 7
Over 12.5 up to & incl. 25 410 460 6
Over 25 up to & incl. 40 400 450 5
Over 40up to & incl. 63 390 430 5
Over 63 up to & incl. 90 390 430 4
Over 90 up to & incl. 115 370 420 4
Over 115 up to & incl.140 350 410 4