2099 Aluminium - AMS 4287
Typical Applications
High Strength Applications
2099 is an aluminium lithium alloy.
The addition of lithium increases the strength modulus of the material while lowering its density. In T83 temper 2099 has high strength and excellent corrosion resistance with moderate fracture toughness
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Technical specification
Related Specifications
AMS 4287
Density
2.63g/cm3
Chemical Composition (WT %)
Min
Max
Cu
2.40
3.00
Li
1.60
2.00
Zn
0.40
1.00
Mg
0.10
0.50
Mn
0.10
0.50
Zr
0.50
0.12
Ti
-
0.10
Fe
-
0.07
Si
-
0.05
Be
-
0.0001
Others (Each)
-
0.05
Others (Total)
-
0.15
Typical Mechanical Properties
Content
0.2% Proof Stress
370
Tensile Strength
415
Elongation
6
Reduction of area
-
Hardness
-
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