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1070A Aluminum vs. 7108 Aluminum

Both 1070A aluminum and 7108 aluminum are aluminum alloys. They have a moderately high 94% 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 1070A aluminum and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 2.3 to 33
11
Fatigue Strength, MPa 17 to 51
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 44 to 81
210
Tensile Strength: Ultimate (UTS), MPa 68 to 140
350
Tensile Strength: Yield (Proof), MPa 17 to 120
290

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 640
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
39
Electrical Conductivity: Equal Weight (Specific), % IACS 200
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
38
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 7.0 to 14
34
Strength to Weight: Bending, points 14 to 22
38
Thermal Diffusivity, mm2/s 94
59
Thermal Shock Resistance, points 3.1 to 6.3
16

Alloy Composition


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Aluminum (Al), % 99.7 to 100
92.4 to 94.7
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.25
0 to 0.1
Magnesium (Mg), % 0 to 0.030
0.7 to 1.4
Manganese (Mn), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.2
0 to 0.1
Titanium (Ti), % 0 to 0.030
0 to 0.050
Zinc (Zn), % 0 to 0.070
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15