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5059 Aluminum vs. C68100 Brass

5059 aluminum belongs to the aluminum alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 5059 aluminum and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 11 to 25
29
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 350 to 410
380
Tensile Strength: Yield (Proof), MPa 170 to 300
140

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 650
890
Melting Onset (Solidus), °C 510
870
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 110
98
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
24
Electrical Conductivity: Equal Weight (Specific), % IACS 95
27

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 9.1
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 1160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
86
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 650
94
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 36 to 42
13
Strength to Weight: Bending, points 41 to 45
15
Thermal Diffusivity, mm2/s 44
32
Thermal Shock Resistance, points 16 to 18
13

Alloy Composition

Aluminum (Al), % 89.9 to 94
0 to 0.010
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.25
56 to 60
Iron (Fe), % 0 to 0.5
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 5.0 to 6.0
0
Manganese (Mn), % 0.6 to 1.2
0.010 to 0.5
Silicon (Si), % 0 to 0.45
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0.4 to 0.9
36.4 to 43
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.5