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A356.0 Aluminum vs. C71520 Copper-nickel

A356.0 aluminum belongs to the aluminum alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 28 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 C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 3.0 to 6.0
10 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
51
Tensile Strength: Ultimate (UTS), MPa 160 to 270
370 to 570
Tensile Strength: Yield (Proof), MPa 83 to 200
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 500
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 610
1170
Melting Onset (Solidus), °C 570
1120
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 150
32
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 15
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
67 to 680
Stiffness to Weight: Axial, points 15
8.6
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 17 to 29
12 to 18
Strength to Weight: Bending, points 25 to 36
13 to 17
Thermal Diffusivity, mm2/s 64
8.9
Thermal Shock Resistance, points 7.6 to 13
12 to 19

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.2
65 to 71.6
Iron (Fe), % 0 to 0.2
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 6.5 to 7.5
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0
0 to 0.5