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5042 Aluminum vs. C23000 Brass

5042 aluminum belongs to the aluminum alloys classification, while C23000 brass belongs to the copper alloys. There are 29 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 5042 aluminum and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.1 to 3.4
2.9 to 47
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 200
220 to 340
Tensile Strength: Ultimate (UTS), MPa 340 to 360
280 to 590
Tensile Strength: Yield (Proof), MPa 270 to 310
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 570
990
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
37
Electrical Conductivity: Equal Weight (Specific), % IACS 110
39

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.6
Embodied Carbon, kg CO2/kg material 8.8
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
31 to 1040
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 35 to 37
8.9 to 19
Strength to Weight: Bending, points 40 to 42
11 to 18
Thermal Diffusivity, mm2/s 53
48
Thermal Shock Resistance, points 15 to 16
9.4 to 20

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
84 to 86
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
13.7 to 16
Residuals, % 0
0 to 0.2