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6105 Aluminum vs. C70250 Copper

6105 aluminum belongs to the aluminum alloys classification, while C70250 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 190 to 280
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 410
220
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 650
1100
Melting Onset (Solidus), °C 600
1080
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180 to 190
170
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
37 to 51

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
2.9
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 20 to 29
16 to 23
Strength to Weight: Bending, points 28 to 35
16 to 21
Thermal Diffusivity, mm2/s 72 to 79
49
Thermal Shock Resistance, points 8.6 to 12
18 to 26

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
92.7 to 97.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.8
0.050 to 0.3
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
2.2 to 4.2
Silicon (Si), % 0.6 to 1.0
0.25 to 1.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.5