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5082 Aluminum vs. C24000 Brass

5082 aluminum belongs to the aluminum alloys classification, while C24000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 5082 aluminum and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
42
Tensile Strength: Ultimate (UTS), MPa 380 to 400
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 560
970
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
32
Electrical Conductivity: Equal Weight (Specific), % IACS 110
34

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.9
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 39 to 41
10 to 21
Strength to Weight: Bending, points 43 to 45
12 to 20
Thermal Diffusivity, mm2/s 54
43
Thermal Shock Resistance, points 17 to 18
10 to 22

Alloy Composition

Aluminum (Al), % 93.5 to 96
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
78.5 to 81.5
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
18.2 to 21.5
Residuals, % 0
0 to 0.2