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5005 Aluminum vs. 7108 Aluminum

Both 5005 aluminum and 7108 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5005 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, % 1.1 to 23
11
Fatigue Strength, MPa 38 to 86
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 70 to 130
210
Tensile Strength: Ultimate (UTS), MPa 110 to 230
350
Tensile Strength: Yield (Proof), MPa 41 to 210
290

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 630
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 200
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
39
Electrical Conductivity: Equal Weight (Specific), % IACS 170
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
38
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 11 to 23
34
Strength to Weight: Bending, points 19 to 31
38
Thermal Diffusivity, mm2/s 82
59
Thermal Shock Resistance, points 4.9 to 10
16

Alloy Composition

Aluminum (Al), % 97 to 99.5
92.4 to 94.7
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.7
0 to 0.1
Magnesium (Mg), % 0.5 to 1.1
0.7 to 1.4
Manganese (Mn), % 0 to 0.2
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 0.1
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15