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7020 Aluminum vs. C10200 Copper

7020 aluminum belongs to the aluminum alloys classification, while C10200 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 7020 aluminum and the bottom bar is C10200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 8.4 to 14
2.6 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 110 to 230
160 to 240
Tensile Strength: Ultimate (UTS), MPa 190 to 390
230 to 410
Tensile Strength: Yield (Proof), MPa 120 to 310
77 to 400

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
100
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
9.4 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
25 to 690
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 18 to 37
7.2 to 13
Strength to Weight: Bending, points 25 to 41
9.4 to 14
Thermal Diffusivity, mm2/s 59
110
Thermal Shock Resistance, points 8.3 to 17
8.2 to 15

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
99.95 to 100
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0
Oxygen (O), % 0
0 to 0.0010
Silicon (Si), % 0 to 0.35
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0 to 0.15
0