Description of Aluminium-Lithium Alloys
Aluminium-Lithium Alloy 1460 is primarily of interest for the aerospace industry due to its weight-saving advantage. Lithium is the lightest metallic element available. By adding lithium to aluminium, the specific weight of the alloy is reduced and its stiffness is increased, while a high strength, resistance to corrosion and fatigue, and an appropriate ductility are maintained.
Lithium reduces the density and increases the stiffness when alloyed with aluminium. With proper alloy design, aluminium-lithium alloys can provide defined combinations of strength and toughness.

Specifications for Aluminium-Lithium Alloys
Mechanical Properties of the Metal
Article #
|
Density, p (g/cm³)
|
Tensile Strength @ -253 °C (MPa)
|
Yield Strength @ -253 °C (MPa)
|
Elongation @ -253 °C
|
Elastic Modulus E (GPa)
|
1460
|
2.59
|
860
|
380
|
15%
|
80
|
|
Metal Composition
Article #
|
Li
|
Cu
|
Mg
|
Zr
|
Ag
|
Zn
|
Mn
|
Others
|
1460
|
0.9-2.5
|
2.5-3.5
|
-
|
0.12
|
-
|
-
|
-
|
Se0.1-0.2
|
Metallurgical Properties
Article #
|
E (GPa)
|
Rm (MPa)
|
Rpo2 (MPa)
|
Elongation (%)
|
Density (g/cm³)
|
1460
|
80
|
540
|
470
|
7.5
|
2.59
|
Delivery Specifications
Type
|
Cast Ingot
|
Rolled Sheet
|
Al-Li Alloy
|
φ80-φ200 mm
|
Thickness: 1-20 mm Width: 100-450 mm
|
Al-Li Intermediate Alloy
|
Li: 5%-30%
|
-
|
Applications of Aluminium-Lithium Alloys
Aluminium-Lithium Alloys are used in shipbuilding, the aerospace sector and for electronic components owing to their reduced density, acceptable formability and resistance to corrosion. In aerospace, these alloys are employed for leading and trailing edges, fuselage stringers and internal frame components. They are considered for various applications in modern aircraft, including wing structures.
Packaging of Aluminium-Lithium Alloys
According to requirements.