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6106 Aluminum vs. C72500 Copper-nickel

6106 aluminum belongs to the aluminum alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 6106 aluminum and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 290
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 660
1130
Melting Onset (Solidus), °C 610
1060
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 190
54
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
11
Electrical Conductivity: Equal Weight (Specific), % IACS 160
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
35
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1190
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 29
13 to 24
Strength to Weight: Bending, points 35
14 to 21
Thermal Diffusivity, mm2/s 78
16
Thermal Shock Resistance, points 13
14 to 27

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
85.2 to 89.7
Iron (Fe), % 0 to 0.35
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Silicon (Si), % 0.3 to 0.6
0
Tin (Sn), % 0
1.8 to 2.8
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.5
Residuals, % 0
0 to 0.2