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C82400 Copper vs. 242.0 Aluminum

C82400 copper belongs to the copper alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 C82400 copper and the bottom bar is 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 1.0 to 20
0.5 to 1.5
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
180 to 290
Tensile Strength: Yield (Proof), MPa 260 to 970
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 230
390
Maximum Temperature: Mechanical, °C 270
210
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 900
530
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 130
130 to 170
Thermal Expansion, µm/m-K 17
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 26
96 to 130

Otherwise Unclassified Properties

Density, g/cm3 8.8
3.1
Embodied Carbon, kg CO2/kg material 8.9
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
110 to 340
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 16 to 33
16 to 26
Strength to Weight: Bending, points 16 to 26
23 to 32
Thermal Diffusivity, mm2/s 39
50 to 62
Thermal Shock Resistance, points 17 to 36
8.0 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.15
88.4 to 93.6
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0 to 0.25
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
3.5 to 4.5
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.2
1.7 to 2.3
Silicon (Si), % 0
0 to 0.7
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0 to 0.25
Zinc (Zn), % 0 to 0.1
0 to 0.35
Residuals, % 0
0 to 0.15