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C85800 Brass vs. 2011A Aluminum

C85800 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 (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 C85800 brass and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 15
6.8 to 16
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 380
310 to 410
Tensile Strength: Yield (Proof), MPa 210
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 900
660
Melting Onset (Solidus), °C 870
550
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 84
130
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
33
Electrical Conductivity: Equal Weight (Specific), % IACS 22
96

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.0
3.1
Embodied Carbon, kg CO2/kg material 2.8
7.9
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 210
140 to 670
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
44
Strength to Weight: Axial, points 13
28 to 37
Strength to Weight: Bending, points 15
33 to 40
Thermal Diffusivity, mm2/s 27
49
Thermal Shock Resistance, points 13
14 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.55
91.5 to 95.1
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Bismuth (Bi), % 0
0.2 to 0.6
Copper (Cu), % 57 to 69
4.5 to 6.0
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0 to 1.5
0.2 to 0.6
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
0 to 0.3
Residuals, % 0
0 to 0.15