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8090 Aluminum vs. C17500 Copper

8090 aluminum belongs to the aluminum alloys classification, while C17500 copper belongs to the copper alloys. There are 29 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 8090 aluminum and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
120
Elongation at Break, % 3.5 to 13
6.0 to 30
Fatigue Strength, MPa 91 to 140
170 to 310
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
45
Tensile Strength: Ultimate (UTS), MPa 340 to 490
310 to 860
Tensile Strength: Yield (Proof), MPa 210 to 420
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 660
1060
Melting Onset (Solidus), °C 600
1020
Specific Heat Capacity, J/kg-K 960
390
Thermal Conductivity, W/m-K 95 to 160
200
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 66
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 18
60
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
4.7
Embodied Energy, MJ/kg 170
73
Embodied Water, L/kg 1160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
120 to 2390
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 34 to 49
9.7 to 27
Strength to Weight: Bending, points 39 to 50
11 to 23
Thermal Diffusivity, mm2/s 36 to 60
59
Thermal Shock Resistance, points 15 to 22
11 to 29

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 1.0 to 1.6
95.6 to 97.2
Iron (Fe), % 0 to 0.3
0 to 0.1
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.5