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6023 Aluminum vs. C99500 Copper

6023 aluminum belongs to the aluminum alloys classification, while C99500 copper belongs to the copper alloys. There are 26 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 6023 aluminum and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 11
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 360
540
Tensile Strength: Yield (Proof), MPa 300 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 580
1040
Specific Heat Capacity, J/kg-K 890
400
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
10
Electrical Conductivity: Equal Weight (Specific), % IACS 140
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
63
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
410
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 35 to 36
17
Strength to Weight: Bending, points 40
17
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 94 to 97.7
0.5 to 2.0
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
82.5 to 92
Iron (Fe), % 0 to 0.5
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Silicon (Si), % 0.6 to 1.4
0.5 to 2.0
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 0
0.5 to 2.0
Residuals, % 0
0 to 0.3