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8079 Aluminum vs. CC760S Brass

8079 aluminum belongs to the aluminum alloys classification, while CC760S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 8079 aluminum and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 2.2
22
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 150
180
Tensile Strength: Yield (Proof), MPa 120
80

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 640
940
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
38
Electrical Conductivity: Equal Weight (Specific), % IACS 190
40

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
28
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
33
Resilience: Unit (Modulus of Resilience), kJ/m3 110
29
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 15
5.8
Strength to Weight: Bending, points 22
8.2
Thermal Diffusivity, mm2/s 92
45
Thermal Shock Resistance, points 6.4
6.2

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 0 to 0.050
83 to 88
Iron (Fe), % 0.7 to 1.3
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0.050 to 0.3
0 to 0.020
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.1
10.7 to 17
Residuals, % 0 to 0.15
0