Subcategory: Aluminum Alloy; Metal; Nonferrous Metal; Other Wrought Al Alloy

Key Words: Russian Aluminum-Lithium 1460 Alloy, Al-Li Alloys, Aluminium Alloy

Material Notes:
Russian Al-Li Alloy (Russian Federation Patent No. 1584414) used in aerospace cryogenic fuel tanks. Has low density and exhibits high strength, high elasticity, and high fatigue durability at both elevated (up to150�C) and cryogenic temperatures.

Physical Properties	Metric	English	Comments
Density	2.59 g/cc	0.0936 lb/in�
Mechanical Properties
Tensile Strength, Ultimate	540 MPa	78300 psi
Tensile Strength, Yield	470 MPa	68200 psi
Elongation at Break	7.5 %	7.5 %
Modulus of Elasticity	80 GPa	11600 ksi
Thermal Properties
CTE, linear 20�C	23.8 �m/m-�C	13.2 �in/in-�F	Estimated from similar Al-Li alloys
Specific Heat Capacity	0.86 J/g-�C	0.206 BTU/lb-�F	Estimated from similar Al-Li alloys
Thermal Conductivity	86 W/m-K	597 BTU-in/hr-ft�-�F	Estimated from similar Al-Li alloys