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A356.0 Aluminum vs. C55280 Copper

A356.0 aluminum belongs to the aluminum alloys classification, while C55280 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 160 to 270
180

Thermal Properties

Latent Heat of Fusion, J/g 500
190
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
790
Melting Onset (Solidus), °C 570
640
Specific Heat Capacity, J/kg-K 900
410
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Density, g/cm3 2.6
8.5
Embodied Carbon, kg CO2/kg material 8.0
4.2
Embodied Energy, MJ/kg 150
67

Common Calculations

Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 17 to 29
5.9
Strength to Weight: Bending, points 25 to 36
8.3
Thermal Shock Resistance, points 7.6 to 13
7.4

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0
Copper (Cu), % 0 to 0.2
90.5 to 91.4
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
6.8 to 7.2
Silicon (Si), % 6.5 to 7.5
0
Silver (Ag), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.15