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C27200 Brass vs. 2011 Aluminum

C27200 brass belongs to the copper alloys classification, while 2011 aluminum belongs to the aluminum alloys. There are 29 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 C27200 brass and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 10 to 50
8.5 to 18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 230 to 320
190 to 250
Tensile Strength: Ultimate (UTS), MPa 370 to 590
310 to 420
Tensile Strength: Yield (Proof), MPa 150 to 410
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 870
540
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 120
140 to 170
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 31
100 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.1
3.1
Embodied Carbon, kg CO2/kg material 2.7
7.9
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
140 to 680
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
44
Strength to Weight: Axial, points 13 to 20
27 to 37
Strength to Weight: Bending, points 14 to 19
32 to 40
Thermal Diffusivity, mm2/s 37
51 to 64
Thermal Shock Resistance, points 12 to 20
14 to 19

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 62 to 65
5.0 to 6.0
Iron (Fe), % 0 to 0.070
0 to 0.7
Lead (Pb), % 0 to 0.070
0.2 to 0.6
Silicon (Si), % 0
0 to 0.4
Zinc (Zn), % 34.6 to 38
0 to 0.3
Residuals, % 0
0 to 0.15