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3102 Aluminum vs. C82800 Copper

3102 aluminum belongs to the aluminum alloys classification, while C82800 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 3102 aluminum and the bottom bar is C82800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 23 to 28
1.0 to 20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
46
Tensile Strength: Ultimate (UTS), MPa 92 to 100
670 to 1140
Tensile Strength: Yield (Proof), MPa 28 to 34
380 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 180
310
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 640
890
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
18
Electrical Conductivity: Equal Weight (Specific), % IACS 190
19

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.2
12
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 5.8 to 8.3
590 to 4080
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 9.4 to 10
21 to 36
Strength to Weight: Bending, points 17 to 18
20 to 28
Thermal Diffusivity, mm2/s 92
36
Thermal Shock Resistance, points 4.1 to 4.4
23 to 39

Alloy Composition

Aluminum (Al), % 97.9 to 99.95
0 to 0.15
Beryllium (Be), % 0
2.5 to 2.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.1
94.6 to 97.2
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.050 to 0.4
0
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.4
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.1
0 to 0.12
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0
0 to 0.5