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1070A Aluminum vs. 8090 Aluminum

Both 1070A aluminum and 8090 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 1070A aluminum and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
67
Elongation at Break, % 2.3 to 33
3.5 to 13
Fatigue Strength, MPa 17 to 51
91 to 140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 68 to 140
340 to 490
Tensile Strength: Yield (Proof), MPa 17 to 120
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 640
600
Specific Heat Capacity, J/kg-K 900
960
Thermal Conductivity, W/m-K 230
95 to 160
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
20
Electrical Conductivity: Equal Weight (Specific), % IACS 200
66

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
18
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.6
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1200
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
340 to 1330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 7.0 to 14
34 to 49
Strength to Weight: Bending, points 14 to 22
39 to 50
Thermal Diffusivity, mm2/s 94
36 to 60
Thermal Shock Resistance, points 3.1 to 6.3
15 to 22

Alloy Composition


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Aluminum (Al), % 99.7 to 100
93 to 98.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
1.0 to 1.6
Iron (Fe), % 0 to 0.25
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0 to 0.030
0.6 to 1.3
Manganese (Mn), % 0 to 0.030
0 to 0.1
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.030
0 to 0.1
Zinc (Zn), % 0 to 0.070
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15