MakeItFrom.com
Menu (ESC)

8021 Aluminum vs. C55284 Copper

8021 aluminum belongs to the aluminum alloys classification, while C55284 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, 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 8021 aluminum and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 160
180

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
800
Melting Onset (Solidus), °C 640
640
Specific Heat Capacity, J/kg-K 900
380
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
16
Embodied Energy, MJ/kg 150
260

Common Calculations

Stiffness to Weight: Axial, points 14
6.5
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 16
5.6
Strength to Weight: Bending, points 23
8.0
Thermal Shock Resistance, points 7.0
7.4

Alloy Composition

Aluminum (Al), % 98 to 98.8
0
Copper (Cu), % 0 to 0.050
79.2 to 80.7
Iron (Fe), % 1.2 to 1.7
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.15
0
Silver (Ag), % 0
14.5 to 15.5
Residuals, % 0
0 to 0.15