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B535.0 Aluminum vs. C87400 Brass

B535.0 aluminum belongs to the aluminum alloys classification, while C87400 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 B535.0 aluminum and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 66
110
Elongation at Break, % 10
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
41
Tensile Strength: Ultimate (UTS), MPa 260
390
Tensile Strength: Yield (Proof), MPa 130
160

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
920
Melting Onset (Solidus), °C 550
820
Specific Heat Capacity, J/kg-K 910
400
Thermal Conductivity, W/m-K 96
28
Thermal Expansion, µm/m-K 25
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 82
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.6
8.3
Embodied Carbon, kg CO2/kg material 9.4
2.7
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
65
Resilience: Unit (Modulus of Resilience), kJ/m3 130
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 35
14
Thermal Diffusivity, mm2/s 40
8.3
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0 to 0.8
Copper (Cu), % 0 to 0.1
79 to 85.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0
0 to 1.0
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
2.5 to 4.0
Titanium (Ti), % 0.1 to 0.25
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8