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7108A Aluminum vs. 7005 Aluminum

Both 7108A aluminum and 7005 aluminum are aluminum alloys. Their average alloy composition is basically identical. 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 7108A aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 11 to 13
10 to 20
Fatigue Strength, MPa 120 to 130
100 to 190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
120 to 230
Tensile Strength: Ultimate (UTS), MPa 350
200 to 400
Tensile Strength: Yield (Proof), MPa 290 to 300
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
140 to 170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
65 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 33 to 34
19 to 38
Strength to Weight: Bending, points 38
26 to 41
Thermal Diffusivity, mm2/s 59
54 to 65
Thermal Shock Resistance, points 15 to 16
8.7 to 18

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
91 to 94.7
Chromium (Cr), % 0 to 0.040
0.060 to 0.2
Copper (Cu), % 0 to 0.050
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.4
Magnesium (Mg), % 0.7 to 1.5
1.0 to 1.8
Manganese (Mn), % 0 to 0.050
0.2 to 0.7
Silicon (Si), % 0 to 0.2
0 to 0.35
Titanium (Ti), % 0 to 0.030
0.010 to 0.060
Zinc (Zn), % 4.8 to 5.8
4.0 to 5.0
Zirconium (Zr), % 0.15 to 0.25
0.080 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants