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EN AC-44000 Aluminum vs. C24000 Brass

EN AC-44000 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 EN AC-44000 aluminum and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 180
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 560
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 590
1000
Melting Onset (Solidus), °C 590
970
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
32
Electrical Conductivity: Equal Weight (Specific), % IACS 130
34

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.5
8.5
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1070
320

Common Calculations

Stiffness to Weight: Axial, points 16
7.2
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 20
10 to 21
Strength to Weight: Bending, points 28
12 to 20
Thermal Diffusivity, mm2/s 61
43
Thermal Shock Resistance, points 8.4
10 to 22

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Copper (Cu), % 0 to 0.050
78.5 to 81.5
Iron (Fe), % 0 to 0.19
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 10 to 11.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
18.2 to 21.5
Residuals, % 0 to 0.1
0 to 0.2