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6082 Aluminum vs. C24000 Brass

6082 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 (10, 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 6082 aluminum and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 140 to 340
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 580
970
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
34

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1170
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 14 to 35
10 to 21
Strength to Weight: Bending, points 21 to 40
12 to 20
Thermal Diffusivity, mm2/s 67
43
Thermal Shock Resistance, points 6.0 to 15
10 to 22

Alloy Composition

Aluminum (Al), % 95.2 to 98.3
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
78.5 to 81.5
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 0.7 to 1.3
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
18.2 to 21.5
Residuals, % 0
0 to 0.2