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772.0 Aluminum vs. C55181 Copper

772.0 aluminum belongs to the aluminum alloys classification, while C55181 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 772.0 aluminum and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 260 to 320
200

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 630
790
Melting Onset (Solidus), °C 580
710
Specific Heat Capacity, J/kg-K 870
410
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 3.0
8.5
Embodied Carbon, kg CO2/kg material 8.0
2.4
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 1140
290

Common Calculations

Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 25 to 31
6.5
Strength to Weight: Bending, points 31 to 36
8.9
Thermal Shock Resistance, points 11 to 14
8.2

Alloy Composition

Aluminum (Al), % 91.2 to 93.2
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
92.4 to 93
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
7.0 to 7.5
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0
0 to 0.15