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3105 Aluminum vs. C96700 Copper

3105 aluminum belongs to the aluminum alloys classification, while C96700 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 3105 aluminum and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
140
Elongation at Break, % 1.1 to 20
10
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
53
Tensile Strength: Ultimate (UTS), MPa 120 to 240
1210
Tensile Strength: Yield (Proof), MPa 46 to 220
550

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
310
Melting Completion (Liquidus), °C 660
1170
Melting Onset (Solidus), °C 640
1110
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 170
30
Thermal Expansion, µm/m-K 24
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
90
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.2
9.5
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
99
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 12 to 24
38
Strength to Weight: Bending, points 20 to 31
29
Thermal Diffusivity, mm2/s 68
8.5
Thermal Shock Resistance, points 5.2 to 11
40

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Beryllium (Be), % 0
1.1 to 1.2
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
62.4 to 68.8
Iron (Fe), % 0 to 0.7
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0.4 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 0 to 0.6
0 to 0.15
Titanium (Ti), % 0 to 0.1
0.15 to 0.35
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5