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CC760S Brass vs. 7108A Aluminum

CC760S brass belongs to the copper alloys classification, while 7108A aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 CC760S brass and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 22
11 to 13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 180
350
Tensile Strength: Yield (Proof), MPa 80
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 190
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 1000
630
Melting Onset (Solidus), °C 940
520
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
36
Electrical Conductivity: Equal Weight (Specific), % IACS 40
110

Otherwise Unclassified Properties

Base Metal Price, % relative 28
10
Density, g/cm3 8.6
2.9
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 29
610 to 640
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 5.8
33 to 34
Strength to Weight: Bending, points 8.2
38
Thermal Diffusivity, mm2/s 45
59
Thermal Shock Resistance, points 6.2
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.010
91.6 to 94.4
Arsenic (As), % 0.050 to 0.15
0
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 83 to 88
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0.7 to 1.5
Manganese (Mn), % 0 to 0.1
0 to 0.050
Nickel (Ni), % 0 to 0.1
0
Silicon (Si), % 0 to 0.020
0 to 0.2
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 10.7 to 17
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15