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2011A Aluminum vs. C87500 Brass

2011A 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 (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 2011A aluminum and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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