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C69400 Brass vs. 5110A Aluminum

C69400 brass belongs to the copper alloys classification, while 5110A aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C69400 brass and the bottom bar is 5110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 17
4.5 to 28
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Shear Strength, MPa 350
66 to 110
Tensile Strength: Ultimate (UTS), MPa 570
100 to 190
Tensile Strength: Yield (Proof), MPa 270
32 to 170

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 820
640
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 26
220
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
57
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
190

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 80
6.8 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 340
7.6 to 200
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 19
10 to 19
Strength to Weight: Bending, points 18
18 to 27
Thermal Diffusivity, mm2/s 7.7
91
Thermal Shock Resistance, points 20
4.5 to 8.4

Alloy Composition

Aluminum (Al), % 0
98.5 to 99.8
Copper (Cu), % 80 to 83
0 to 0.2
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0
0 to 0.2
Silicon (Si), % 3.5 to 4.5
0 to 0.15
Zinc (Zn), % 11.5 to 16.5
0 to 0.030
Residuals, % 0
0 to 0.1