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C87500 Brass vs. 6463 Aluminum

C87500 brass belongs to the copper alloys classification, while 6463 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 C87500 brass and the bottom bar is 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 18
9.0 to 17
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 460
140 to 230
Tensile Strength: Yield (Proof), MPa 190
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
660
Melting Onset (Solidus), °C 820
620
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 28
190 to 210
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
170 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 160
50 to 300
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 16
14 to 24
Strength to Weight: Bending, points 16
22 to 31
Thermal Diffusivity, mm2/s 8.3
79 to 86
Thermal Shock Resistance, points 17
6.3 to 10

Alloy Composition

Aluminum (Al), % 0 to 0.5
97.9 to 99.4
Copper (Cu), % 79 to 85
0 to 0.2
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 3.0 to 5.0
0.2 to 0.6
Zinc (Zn), % 12 to 16
0 to 0.050
Residuals, % 0
0 to 0.15