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2024 Aluminum vs. C41500 Brass

2024 aluminum belongs to the aluminum alloys classification, while C41500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 2024 aluminum and the bottom bar is C41500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.0 to 16
2.0 to 42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Shear Strength, MPa 130 to 320
220 to 360
Tensile Strength: Ultimate (UTS), MPa 200 to 540
340 to 560
Tensile Strength: Yield (Proof), MPa 100 to 490
190 to 550

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 500
1010
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
28
Electrical Conductivity: Equal Weight (Specific), % IACS 90
29

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.3
2.8
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 68
11 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 1680
160 to 1340
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 18 to 50
11 to 18
Strength to Weight: Bending, points 25 to 49
12 to 17
Thermal Diffusivity, mm2/s 46
37
Thermal Shock Resistance, points 8.6 to 24
12 to 20

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
89 to 93
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
1.5 to 2.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
4.2 to 9.5
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.5