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8090 Aluminum vs. 2195 Aluminum

Both 8090 aluminum and 2195 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 8090 aluminum and the bottom bar is 2195 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
69
Elongation at Break, % 3.5 to 13
9.3
Fatigue Strength, MPa 91 to 140
190
Fracture Toughness, MPa-m1/2 23 to 130
30
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
26
Tensile Strength: Ultimate (UTS), MPa 340 to 490
590
Tensile Strength: Yield (Proof), MPa 210 to 420
560

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
210
Melting Completion (Liquidus), °C 660
660
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 95 to 160
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
34
Electrical Conductivity: Equal Weight (Specific), % IACS 66
100

Otherwise Unclassified Properties

Base Metal Price, % relative 18
31
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.6
8.6
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 1160
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
54
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
2290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 34 to 49
55
Strength to Weight: Bending, points 39 to 50
53
Thermal Diffusivity, mm2/s 36 to 60
49
Thermal Shock Resistance, points 15 to 22
26

Alloy Composition


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Aluminum (Al), % 93 to 98.4
91.9 to 94.9
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
3.7 to 4.3
Iron (Fe), % 0 to 0.3
0 to 0.15
Lithium (Li), % 2.2 to 2.7
0.8 to 1.2
Magnesium (Mg), % 0.6 to 1.3
0.25 to 0.8
Manganese (Mn), % 0 to 0.1
0 to 0.25
Silicon (Si), % 0 to 0.2
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.25
Zirconium (Zr), % 0.040 to 0.16
0.080 to 0.16
Residuals, % 0 to 0.15
0 to 0.15