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C72800 Copper-nickel vs. 6012 Aluminum

C72800 copper-nickel belongs to the copper alloys classification, while 6012 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C72800 copper-nickel and the bottom bar is 6012 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 3.9 to 23
9.1 to 11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
26
Shear Strength, MPa 330 to 740
130 to 190
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
220 to 320
Tensile Strength: Yield (Proof), MPa 250 to 1210
110 to 260

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 920
570
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 55
160
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
45
Electrical Conductivity: Equal Weight (Specific), % IACS 11
140

Otherwise Unclassified Properties

Base Metal Price, % relative 38
9.5
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 4.4
8.2
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 360
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
21 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
94 to 480
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 17 to 40
22 to 32
Strength to Weight: Bending, points 16 to 30
29 to 37
Thermal Diffusivity, mm2/s 17
62
Thermal Shock Resistance, points 19 to 45
10 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.1
92.2 to 98
Antimony (Sb), % 0 to 0.020
0
Bismuth (Bi), % 0 to 0.0010
0 to 0.7
Boron (B), % 0 to 0.0010
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 78.3 to 82.8
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0 to 0.0050
0.4 to 2.0
Magnesium (Mg), % 0.0050 to 0.15
0.6 to 1.2
Manganese (Mn), % 0.050 to 0.3
0.4 to 1.0
Nickel (Ni), % 9.5 to 10.5
0
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.050
0.6 to 1.4
Sulfur (S), % 0 to 0.0025
0
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0 to 0.010
0 to 0.2
Zinc (Zn), % 0 to 1.0
0 to 0.3
Residuals, % 0 to 0.3
0 to 0.15