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771.0 Aluminum vs. C12600 Copper

771.0 aluminum belongs to the aluminum alloys classification, while C12600 copper 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 771.0 aluminum and the bottom bar is C12600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 1.7 to 6.5
56
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
56
Tensile Strength: Ultimate (UTS), MPa 250 to 370
270
Tensile Strength: Yield (Proof), MPa 210 to 350
69

Thermal Properties

Latent Heat of Fusion, J/g 380
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 630
1080
Melting Onset (Solidus), °C 620
1030
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 140 to 150
130
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
29
Electrical Conductivity: Equal Weight (Specific), % IACS 82
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
21
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 23 to 35
8.2
Strength to Weight: Bending, points 29 to 39
10
Thermal Diffusivity, mm2/s 54 to 58
39
Thermal Shock Resistance, points 11 to 16
9.5

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
99.5 to 99.8
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
0.2 to 0.4
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0 to 0.15
0