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711.0 Aluminum vs. C70700 Copper-nickel

711.0 aluminum belongs to the aluminum alloys classification, while C70700 copper-nickel belongs to the copper 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 711.0 aluminum and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
73
Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 7.8
39
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
46
Tensile Strength: Ultimate (UTS), MPa 220
320
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 380
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
1120
Melting Onset (Solidus), °C 610
1060
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 160
59
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 7.9
3.4
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
51
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 20
10
Strength to Weight: Bending, points 26
12
Thermal Diffusivity, mm2/s 61
17
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
0
Copper (Cu), % 0.35 to 0.65
88.5 to 90.5
Iron (Fe), % 0.7 to 1.4
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.050
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.5