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C81500 Copper vs. 8176 Aluminum

C81500 copper belongs to the copper alloys classification, while 8176 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C81500 copper and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 17
15
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
26
Tensile Strength: Ultimate (UTS), MPa 350
160
Tensile Strength: Yield (Proof), MPa 280
95

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
660
Melting Onset (Solidus), °C 1080
650
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 320
230
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
61
Electrical Conductivity: Equal Weight (Specific), % IACS 83
200

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 310
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
21
Resilience: Unit (Modulus of Resilience), kJ/m3 330
66
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 11
16
Strength to Weight: Bending, points 12
24
Thermal Diffusivity, mm2/s 91
93
Thermal Shock Resistance, points 12
7.0

Alloy Composition

Aluminum (Al), % 0 to 0.1
98.6 to 99.6
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0 to 0.020
0
Silicon (Si), % 0 to 0.15
0.030 to 0.15
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15