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5042 Aluminum vs. C87500 Brass

5042 aluminum belongs to the aluminum alloys classification, while C87500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 5042 aluminum and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.1 to 3.4
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 340 to 360
460
Tensile Strength: Yield (Proof), MPa 270 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
920
Melting Onset (Solidus), °C 570
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
67
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 35 to 37
16
Strength to Weight: Bending, points 40 to 42
16
Thermal Diffusivity, mm2/s 53
8.3
Thermal Shock Resistance, points 15 to 16
17

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
0 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
79 to 85
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0
Silicon (Si), % 0 to 0.2
3.0 to 5.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
12 to 16
Residuals, % 0
0 to 0.5