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357.0 Aluminum vs. C70700 Copper-nickel

357.0 aluminum belongs to the aluminum alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 357.0 aluminum and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95
73
Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.4
39
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
46
Shear Strength, MPa 200
220
Tensile Strength: Ultimate (UTS), MPa 350
320
Tensile Strength: Yield (Proof), MPa 300
110

Thermal Properties

Latent Heat of Fusion, J/g 500
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 620
1120
Melting Onset (Solidus), °C 560
1060
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 150
59
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
3.4
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
100
Resilience: Unit (Modulus of Resilience), kJ/m3 620
51
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 38
10
Strength to Weight: Bending, points 43
12
Thermal Diffusivity, mm2/s 64
17
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
0
Copper (Cu), % 0 to 0.050
88.5 to 90.5
Iron (Fe), % 0 to 0.15
0 to 0.050
Magnesium (Mg), % 0.45 to 0.6
0
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0
0 to 0.5