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7108A Aluminum vs. 3005 Aluminum

Both 7108A aluminum and 3005 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 7108A aluminum and the bottom bar is 3005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 11 to 13
1.1 to 16
Fatigue Strength, MPa 120 to 130
53 to 100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
84 to 150
Tensile Strength: Ultimate (UTS), MPa 350
140 to 270
Tensile Strength: Yield (Proof), MPa 290 to 300
51 to 240

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 630
660
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
42
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
2.2 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
18 to 390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
49
Strength to Weight: Axial, points 33 to 34
14 to 27
Strength to Weight: Bending, points 38
21 to 33
Thermal Diffusivity, mm2/s 59
64
Thermal Shock Resistance, points 15 to 16
6.0 to 12

Alloy Composition


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Aluminum (Al), % 91.6 to 94.4
95.7 to 98.8
Chromium (Cr), % 0 to 0.040
0 to 0.1
Copper (Cu), % 0 to 0.050
0 to 0.3
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0.7 to 1.5
0.2 to 0.6
Manganese (Mn), % 0 to 0.050
1.0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.6
Titanium (Ti), % 0 to 0.030
0 to 0.1
Zinc (Zn), % 4.8 to 5.8
0 to 0.25
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15