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C70700 Copper-nickel vs. EN AC-43500 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-43500 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-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
68 to 91
Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 39
4.5 to 13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 320
220 to 300
Tensile Strength: Yield (Proof), MPa 110
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 220
550
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
600
Melting Onset (Solidus), °C 1060
590
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 59
140
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 12
130

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.9
2.6
Embodied Carbon, kg CO2/kg material 3.4
7.8
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 51
130 to 200
Stiffness to Weight: Axial, points 7.6
16
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 10
24 to 33
Strength to Weight: Bending, points 12
32 to 39
Thermal Diffusivity, mm2/s 17
60
Thermal Shock Resistance, points 12
10 to 14

Alloy Composition

Aluminum (Al), % 0
86.4 to 90.5
Copper (Cu), % 88.5 to 90.5
0 to 0.050
Iron (Fe), % 0 to 0.050
0 to 0.25
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 9.5 to 10.5
0
Silicon (Si), % 0
9.0 to 11.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15