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C99300 Copper vs. A357.0 Aluminum

C99300 copper belongs to the copper alloys classification, while A357.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C99300 copper and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
100
Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 2.0
3.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 660
350
Tensile Strength: Yield (Proof), MPa 380
270

Thermal Properties

Latent Heat of Fusion, J/g 240
500
Maximum Temperature: Mechanical, °C 250
170
Melting Completion (Liquidus), °C 1080
610
Melting Onset (Solidus), °C 1070
560
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 43
160
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 35
12
Density, g/cm3 8.2
2.6
Embodied Carbon, kg CO2/kg material 4.5
8.2
Embodied Energy, MJ/kg 70
150
Embodied Water, L/kg 400
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
12
Resilience: Unit (Modulus of Resilience), kJ/m3 590
520
Stiffness to Weight: Axial, points 8.3
15
Stiffness to Weight: Bending, points 20
53
Strength to Weight: Axial, points 22
38
Strength to Weight: Bending, points 20
43
Thermal Diffusivity, mm2/s 12
68
Thermal Shock Resistance, points 22
17

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0 to 0.2
Iron (Fe), % 0.4 to 1.0
0 to 0.2
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 13.5 to 16.5
0
Silicon (Si), % 0 to 0.020
6.5 to 7.5
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15