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C87500 Brass vs. A384.0 Aluminum

C87500 brass belongs to the copper alloys classification, while A384.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C87500 brass and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
74
Elongation at Break, % 18
2.5
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
28
Tensile Strength: Ultimate (UTS), MPa 460
330
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Latent Heat of Fusion, J/g 260
550
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
610
Melting Onset (Solidus), °C 820
510
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 28
96
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
23
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
73

Otherwise Unclassified Properties

Base Metal Price, % relative 27
11
Density, g/cm3 8.3
2.8
Embodied Carbon, kg CO2/kg material 2.7
7.5
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 160
180
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 16
32
Strength to Weight: Bending, points 16
38
Thermal Diffusivity, mm2/s 8.3
39
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0 to 0.5
79.3 to 86.5
Copper (Cu), % 79 to 85
3.0 to 4.5
Iron (Fe), % 0
0 to 1.3
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 3.0 to 5.0
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 12 to 16
0 to 1.0
Residuals, % 0
0 to 0.5