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A357.0 Aluminum vs. CC140C Copper

A357.0 aluminum belongs to the aluminum alloys classification, while CC140C copper belongs to the copper 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 A357.0 aluminum and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
110
Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.7
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 350
340
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 500
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
1100
Melting Onset (Solidus), °C 560
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 160
310
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
77
Electrical Conductivity: Equal Weight (Specific), % IACS 140
78

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
34
Resilience: Unit (Modulus of Resilience), kJ/m3 520
220
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 38
10
Strength to Weight: Bending, points 43
12
Thermal Diffusivity, mm2/s 68
89
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 90.8 to 93
0
Beryllium (Be), % 0.040 to 0.070
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0 to 0.2
98.8 to 99.6
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0.040 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0