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3105 Aluminum vs. C96400 Copper-nickel

3105 aluminum belongs to the aluminum alloys classification, while C96400 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
140
Elongation at Break, % 1.1 to 20
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
51
Tensile Strength: Ultimate (UTS), MPa 120 to 240
490
Tensile Strength: Yield (Proof), MPa 46 to 220
260

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 660
1240
Melting Onset (Solidus), °C 640
1170
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 170
28
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.2
5.9
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
100
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
250
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 12 to 24
15
Strength to Weight: Bending, points 20 to 31
16
Thermal Diffusivity, mm2/s 68
7.8
Thermal Shock Resistance, points 5.2 to 11
17

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
62.3 to 71.3
Iron (Fe), % 0 to 0.7
0.25 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Nickel (Ni), % 0
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0
0 to 0.5