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C10800 Copper vs. 7020 Aluminum

C10800 copper belongs to the copper alloys classification, while 7020 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 C10800 copper and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 4.0 to 50
8.4 to 14
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 150 to 200
110 to 230
Tensile Strength: Ultimate (UTS), MPa 220 to 380
190 to 390
Tensile Strength: Yield (Proof), MPa 75 to 370
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1080
650
Melting Onset (Solidus), °C 1080
610
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 350
150
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 92
39
Electrical Conductivity: Equal Weight (Specific), % IACS 92
120

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 9.0
2.9
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 88
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 600
110 to 690
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 6.8 to 12
18 to 37
Strength to Weight: Bending, points 9.1 to 13
25 to 41
Thermal Diffusivity, mm2/s 100
59
Thermal Shock Resistance, points 7.8 to 13
8.3 to 17

Alloy Composition

Aluminum (Al), % 0
91.2 to 94.8
Chromium (Cr), % 0
0.1 to 0.35
Copper (Cu), % 99.95 to 99.995
0 to 0.2
Iron (Fe), % 0
0 to 0.4
Magnesium (Mg), % 0
1.0 to 1.4
Manganese (Mn), % 0
0.050 to 0.5
Phosphorus (P), % 0.0050 to 0.012
0
Silicon (Si), % 0
0 to 0.35
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15