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2036 Aluminum vs. 7108A Aluminum

Both 2036 aluminum and 7108A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 2036 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 24
11 to 13
Fatigue Strength, MPa 130
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
210
Tensile Strength: Ultimate (UTS), MPa 340
350
Tensile Strength: Yield (Proof), MPa 200
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 560
520
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
36
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 270
610 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
47
Strength to Weight: Axial, points 33
33 to 34
Strength to Weight: Bending, points 38
38
Thermal Diffusivity, mm2/s 62
59
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
91.6 to 94.4
Chromium (Cr), % 0 to 0.1
0 to 0.040
Copper (Cu), % 2.2 to 3.0
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.3 to 0.6
0.7 to 1.5
Manganese (Mn), % 0.1 to 0.4
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.2
Titanium (Ti), % 0 to 0.15
0 to 0.030
Zinc (Zn), % 0 to 0.25
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0 to 0.15
0 to 0.15