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7108A Aluminum vs. C70260 Copper

7108A aluminum belongs to the aluminum alloys classification, while C70260 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 7108A aluminum and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 11 to 13
9.5 to 19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Shear Strength, MPa 210
320 to 450
Tensile Strength: Ultimate (UTS), MPa 350
520 to 760
Tensile Strength: Yield (Proof), MPa 290 to 300
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 380
220
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 630
1060
Melting Onset (Solidus), °C 520
1040
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 110
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
710 to 1810
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 33 to 34
16 to 24
Strength to Weight: Bending, points 38
16 to 21
Thermal Diffusivity, mm2/s 59
45
Thermal Shock Resistance, points 15 to 16
18 to 27

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
95.8 to 98.8
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0.2 to 0.7
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.5