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5088 Aluminum vs. C18100 Copper

5088 aluminum belongs to the aluminum alloys classification, while C18100 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 5088 aluminum and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 29
8.3
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
47
Shear Strength, MPa 200
300
Tensile Strength: Ultimate (UTS), MPa 310
510
Tensile Strength: Yield (Proof), MPa 150
460

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 540
1020
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
80
Electrical Conductivity: Equal Weight (Specific), % IACS 98
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 9.0
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
40
Resilience: Unit (Modulus of Resilience), kJ/m3 170
900
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 51
94
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Chromium (Cr), % 0 to 0.15
0.4 to 1.2
Copper (Cu), % 0 to 0.25
98.7 to 99.49
Iron (Fe), % 0.1 to 0.35
0
Magnesium (Mg), % 4.7 to 5.5
0.030 to 0.060
Manganese (Mn), % 0.2 to 0.5
0
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0.080 to 0.2
Residuals, % 0
0 to 0.5