Strength in numbers

Aluminium Alloy   |   BS-L

L110 T42 Sheet

Commercial2024 CLAD 1050A

High strength fabricated or machined items in aircraft industries, general engineering, machinery, military equipment, truck wheels. Screw machine products. Structural applications. Rivets.

Characteristic Properties:
Heat treatable alloy. Very good machining characteristics. High strength alloy with a strength slightly higher than 2014(A) and 2017A and 2030. High fatigue strength. Suitable for welding only by resistance welding. Corrosion resistance only with cladding or other protection.

Chemical Composition

BS L110(1971)
Alloy L110
Chemical Element % Present
Aluminium (Al) balance
Lead (Pb) 0.05 max
Nickel (Ni) 0.05 max
Tin (Sn) 0.05 max
Chromium (Cr) 0.1 max
Titanium + Zirconium (Ti+Zr) 0.2 max
Zinc (Zn) 0.2 max
Iron (Fe) 0.5 max
Silicon (Si) 0.5 max
Manganese (Mn) 0.3 - 0.9
Magnesium (Mg) 1.2 - 1.8
Copper (Cu) 3.8 - 4.9

Alloy Designations

Aluminium alloy L110 - 2024 clad 1050A is covered by standard BS L110 (1971)

Temper Types

The most common temper for L110 - 2024 clad 1050A aluminium is:

  • T42

Supplied Forms

L110 - 2024 clad 1050A aluminium is supplied as sheet and strip

  • Sheet
  • Strip

Generic Physical Properties

Physical Property Value
Density 2.79 g/cm³
Melting Point 640 °C
Thermal Expansion 23.10 x10^-6 /K
Modulus of Elasticity 73 GPa
Thermal Conductivity 121-193 W/m.K

Mechanical Properties

BS L110(1971)
Sheet - 0.4mm to 0.8mm
Mechanical Property Value
Elongation A50 mm 12 Min %
Tensile Strength 390 Min N/mm2
0.2% Proof Stress 235 Min N/mm2