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5050 Aluminum vs. C87400 Brass

5050 aluminum belongs to the aluminum alloys classification, while C87400 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 5050 aluminum and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.7 to 22
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 140 to 250
390
Tensile Strength: Yield (Proof), MPa 50 to 210
160

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
920
Melting Onset (Solidus), °C 630
820
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 190
28
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 170
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.4
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
65
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 15 to 26
13
Strength to Weight: Bending, points 22 to 33
14
Thermal Diffusivity, mm2/s 79
8.3
Thermal Shock Resistance, points 6.3 to 11
14

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
0 to 0.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.2
79 to 85.5
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
0 to 1.0
Magnesium (Mg), % 1.1 to 1.8
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.4
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
12 to 16
Residuals, % 0
0 to 0.8