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4032 Aluminum vs. C87500 Brass

4032 aluminum belongs to the aluminum alloys classification, while C87500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 4032 aluminum and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 6.7
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
42
Tensile Strength: Ultimate (UTS), MPa 390
460
Tensile Strength: Yield (Proof), MPa 320
190

Thermal Properties

Latent Heat of Fusion, J/g 570
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 570
920
Melting Onset (Solidus), °C 530
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 140
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
27
Density, g/cm3 2.6
8.3
Embodied Carbon, kg CO2/kg material 7.8
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 1030
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
67
Resilience: Unit (Modulus of Resilience), kJ/m3 700
160
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 41
16
Strength to Weight: Bending, points 45
16
Thermal Diffusivity, mm2/s 59
8.3
Thermal Shock Resistance, points 20
17

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
79 to 85
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0.8 to 1.3
0
Nickel (Ni), % 0.5 to 1.3
0
Silicon (Si), % 11 to 13.5
3.0 to 5.0
Zinc (Zn), % 0 to 0.25
12 to 16
Residuals, % 0
0 to 0.5