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6105 Aluminum vs. C15500 Copper

6105 aluminum belongs to the aluminum alloys classification, while C15500 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 6105 aluminum and the bottom bar is C15500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 9.0 to 16
3.0 to 37
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 120 to 170
190 to 320
Tensile Strength: Ultimate (UTS), MPa 190 to 280
280 to 550
Tensile Strength: Yield (Proof), MPa 120 to 270
130 to 530

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 600
1080
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180 to 190
350
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
90
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
91

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
15 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
72 to 1210
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 20 to 29
8.6 to 17
Strength to Weight: Bending, points 28 to 35
11 to 17
Thermal Diffusivity, mm2/s 72 to 79
100
Thermal Shock Resistance, points 8.6 to 12
9.8 to 20

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
99.75 to 99.853
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.45 to 0.8
0.080 to 0.13
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
0.040 to 0.080
Silicon (Si), % 0.6 to 1.0
0
Silver (Ag), % 0
0.027 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.2