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6023 Aluminum vs. C26800 Brass

6023 aluminum belongs to the aluminum alloys classification, while C26800 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 6023 aluminum and the bottom bar is C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 360
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 580
900
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
30

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 35 to 36
11 to 22
Strength to Weight: Bending, points 40
13 to 21
Thermal Diffusivity, mm2/s 67
37
Thermal Shock Resistance, points 16
10 to 22

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
64 to 68.5
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0
Silicon (Si), % 0.6 to 1.4
0
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 0
31 to 36
Residuals, % 0
0 to 0.3