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C17300 Copper vs. A242.0 Aluminum

C17300 copper belongs to the copper alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 24 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 C17300 copper and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 3.0 to 23
1.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
220

Thermal Properties

Latent Heat of Fusion, J/g 230
390
Maximum Temperature: Mechanical, °C 270
210
Melting Completion (Liquidus), °C 980
680
Melting Onset (Solidus), °C 870
550
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
37
Electrical Conductivity: Equal Weight (Specific), % IACS 23
110

Otherwise Unclassified Properties

Density, g/cm3 8.8
3.1
Embodied Carbon, kg CO2/kg material 9.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 310
1130

Common Calculations

Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 16 to 44
20
Strength to Weight: Bending, points 16 to 31
26
Thermal Diffusivity, mm2/s 32
52
Thermal Shock Resistance, points 17 to 48
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.2
89.3 to 93.1
Beryllium (Be), % 1.8 to 2.0
0
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 95.5 to 97.8
3.7 to 4.5
Iron (Fe), % 0 to 0.4
0 to 0.8
Lead (Pb), % 0.2 to 0.6
0
Magnesium (Mg), % 0
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.2 to 0.6
1.8 to 2.3
Silicon (Si), % 0 to 0.2
0 to 0.6
Titanium (Ti), % 0
0.070 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15