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C87500 Brass vs. 2011A Aluminum

C87500 brass belongs to the copper alloys classification, while 2011A 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 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 18
6.8 to 16
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 460
310 to 410
Tensile Strength: Yield (Proof), MPa 190
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 920
660
Melting Onset (Solidus), °C 820
550
Specific Heat Capacity, J/kg-K 410
870
Thermal Conductivity, W/m-K 28
130
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
33
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
96

Otherwise Unclassified Properties

Base Metal Price, % relative 27
11
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 670
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
44
Strength to Weight: Axial, points 16
28 to 37
Strength to Weight: Bending, points 16
33 to 40
Thermal Diffusivity, mm2/s 8.3
49
Thermal Shock Resistance, points 17
14 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.5
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 79 to 85
4.5 to 6.0
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.5
0.2 to 0.6
Silicon (Si), % 3.0 to 5.0
0 to 0.4
Zinc (Zn), % 12 to 16
0 to 0.3
Residuals, % 0
0 to 0.15