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C66700 Brass vs. 5086 Aluminum

C66700 brass belongs to the copper alloys classification, while 5086 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 C66700 brass and the bottom bar is 5086 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 2.0 to 58
1.7 to 20
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 250 to 530
160 to 230
Tensile Strength: Ultimate (UTS), MPa 340 to 690
270 to 390
Tensile Strength: Yield (Proof), MPa 100 to 640
110 to 320

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 140
190
Melting Completion (Liquidus), °C 1090
640
Melting Onset (Solidus), °C 1050
590
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 97
130
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
31
Electrical Conductivity: Equal Weight (Specific), % IACS 19
100

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.8
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
5.8 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
86 to 770
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 11 to 23
28 to 40
Strength to Weight: Bending, points 13 to 21
34 to 44
Thermal Diffusivity, mm2/s 30
52
Thermal Shock Resistance, points 11 to 23
12 to 17

Alloy Composition

Aluminum (Al), % 0
93 to 96.3
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 68.5 to 71.5
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
3.5 to 4.5
Manganese (Mn), % 0.8 to 1.5
0.2 to 0.7
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 26.3 to 30.7
0 to 0.25
Residuals, % 0
0 to 0.15