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A356.0 Aluminum vs. C70400 Copper-nickel

A356.0 aluminum belongs to the aluminum alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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 A356.0 aluminum and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 160 to 270
300 to 310
Tensile Strength: Yield (Proof), MPa 83 to 200
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 500
210
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 610
1120
Melting Onset (Solidus), °C 570
1060
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 150
64
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
3.0
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
38 to 220
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 17 to 29
9.3 to 9.8
Strength to Weight: Bending, points 25 to 36
11 to 12
Thermal Diffusivity, mm2/s 64
18
Thermal Shock Resistance, points 7.6 to 13
10 to 11

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0
Copper (Cu), % 0 to 0.2
89.8 to 93.6
Iron (Fe), % 0 to 0.2
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.5