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5154 Aluminum vs. C23400 Brass

5154 aluminum belongs to the aluminum alloys classification, while C23400 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 5154 aluminum and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 240 to 360
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
970
Melting Onset (Solidus), °C 590
930
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.8
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 25 to 37
12 to 21
Strength to Weight: Bending, points 32 to 42
13 to 19
Thermal Diffusivity, mm2/s 52
36
Thermal Shock Resistance, points 10 to 16
12 to 22

Alloy Composition

Aluminum (Al), % 94.4 to 96.8
0
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.1
81 to 84
Iron (Fe), % 0 to 0.4
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
15.7 to 19
Residuals, % 0
0 to 0.2