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7108A Aluminum vs. C43500 Brass

7108A aluminum belongs to the aluminum alloys classification, while C43500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 7108A aluminum and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11 to 13
8.5 to 46
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
42
Shear Strength, MPa 210
220 to 310
Tensile Strength: Ultimate (UTS), MPa 350
320 to 530
Tensile Strength: Yield (Proof), MPa 290 to 300
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 630
1000
Melting Onset (Solidus), °C 520
970
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
30

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
65 to 1040
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 33 to 34
10 to 17
Strength to Weight: Bending, points 38
12 to 17
Thermal Diffusivity, mm2/s 59
37
Thermal Shock Resistance, points 15 to 16
11 to 18

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
79 to 83
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0.6 to 1.2
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
15.4 to 20.4
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.3