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C87900 Brass vs. 4032 Aluminum

C87900 brass belongs to the copper alloys classification, while 4032 aluminum belongs to the aluminum alloys. There are 28 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 C87900 brass and the bottom bar is 4032 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 25
6.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
28
Tensile Strength: Ultimate (UTS), MPa 480
390
Tensile Strength: Yield (Proof), MPa 240
320

Thermal Properties

Latent Heat of Fusion, J/g 190
570
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 930
570
Melting Onset (Solidus), °C 900
530
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
34
Electrical Conductivity: Equal Weight (Specific), % IACS 17
120

Otherwise Unclassified Properties

Base Metal Price, % relative 24
10
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.8
Embodied Energy, MJ/kg 46
140
Embodied Water, L/kg 320
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
25
Resilience: Unit (Modulus of Resilience), kJ/m3 270
700
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 20
53
Strength to Weight: Axial, points 17
41
Strength to Weight: Bending, points 17
45
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 16
20

Alloy Composition


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Aluminum (Al), % 0 to 0.15
81.1 to 87.2
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 63 to 69.2
0.5 to 1.3
Iron (Fe), % 0 to 0.4
0 to 1.0
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0.8 to 1.3
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0.5 to 1.3
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
11 to 13.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 0.25
Residuals, % 0
0 to 0.15