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6105 Aluminum vs. C12500 Copper

6105 aluminum belongs to the aluminum alloys classification, while C12500 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 C12500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 9.0 to 16
1.5 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 120 to 170
150 to 220
Tensile Strength: Ultimate (UTS), MPa 190 to 280
220 to 420
Tensile Strength: Yield (Proof), MPa 120 to 270
75 to 390

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
1070
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
92
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
93

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
5.6 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
24 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 20 to 29
6.9 to 13
Strength to Weight: Bending, points 28 to 35
9.1 to 14
Thermal Diffusivity, mm2/s 72 to 79
100
Thermal Shock Resistance, points 8.6 to 12
7.8 to 15

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
99.88 to 100
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.0040
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0.6 to 1.0
0
Tellurium (Te), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.3