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7108A Aluminum vs. 4006 Aluminum

Both 7108A aluminum and 4006 aluminum are aluminum alloys. They have a moderately high 93% 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 7108A aluminum and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 11 to 13
3.4 to 24
Fatigue Strength, MPa 120 to 130
35 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
70 to 91
Tensile Strength: Ultimate (UTS), MPa 350
110 to 160
Tensile Strength: Yield (Proof), MPa 290 to 300
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
220
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
56
Electrical Conductivity: Equal Weight (Specific), % IACS 110
180

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
28 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 33 to 34
11 to 16
Strength to Weight: Bending, points 38
19 to 24
Thermal Diffusivity, mm2/s 59
89
Thermal Shock Resistance, points 15 to 16
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
97.4 to 98.7
Chromium (Cr), % 0 to 0.040
0 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
0.5 to 0.8
Magnesium (Mg), % 0.7 to 1.5
0 to 0.010
Manganese (Mn), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.2
0.8 to 1.2
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
0 to 0.050
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.15