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C70700 Copper-nickel vs. EN AC-48000 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-48000 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 C70700 copper-nickel and the bottom bar is EN AC-48000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 39
1.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
28
Tensile Strength: Ultimate (UTS), MPa 320
220 to 310
Tensile Strength: Yield (Proof), MPa 110
210 to 270

Thermal Properties

Latent Heat of Fusion, J/g 220
570
Maximum Temperature: Mechanical, °C 220
190
Melting Completion (Liquidus), °C 1120
600
Melting Onset (Solidus), °C 1060
560
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 59
130
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
33
Electrical Conductivity: Equal Weight (Specific), % IACS 12
110

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 3.4
7.9
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 300
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.2 to 3.0
Resilience: Unit (Modulus of Resilience), kJ/m3 51
300 to 510
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 10
23 to 33
Strength to Weight: Bending, points 12
31 to 39
Thermal Diffusivity, mm2/s 17
54
Thermal Shock Resistance, points 12
10 to 15

Alloy Composition

Aluminum (Al), % 0
80.4 to 87.2
Copper (Cu), % 88.5 to 90.5
0.8 to 1.5
Iron (Fe), % 0 to 0.050
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.5
Manganese (Mn), % 0 to 0.5
0 to 0.35
Nickel (Ni), % 9.5 to 10.5
0.7 to 1.3
Silicon (Si), % 0
10.5 to 13.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15