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5042 Aluminum vs. C48500 Brass

5042 aluminum belongs to the aluminum alloys classification, while C48500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C48500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 1.1 to 3.4
13 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
39
Shear Strength, MPa 200
250 to 300
Tensile Strength: Ultimate (UTS), MPa 340 to 360
400 to 500
Tensile Strength: Yield (Proof), MPa 270 to 310
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
26
Electrical Conductivity: Equal Weight (Specific), % IACS 110
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
56 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
120 to 500
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 35 to 37
14 to 17
Strength to Weight: Bending, points 40 to 42
15 to 17
Thermal Diffusivity, mm2/s 53
38
Thermal Shock Resistance, points 15 to 16
13 to 17

Alloy Composition


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Aluminum (Al), % 94.2 to 96.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
59 to 62
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 0
1.3 to 2.2
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
34.3 to 39.2
Residuals, % 0 to 0.15
0 to 0.4