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5040 Aluminum vs. Z24311 Zinc

5040 aluminum belongs to the aluminum alloys classification, while Z24311 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 5040 aluminum and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
87
Elongation at Break, % 5.7 to 6.8
63
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 240 to 260
140
Tensile Strength: Yield (Proof), MPa 190 to 230
120

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 190
90
Melting Completion (Liquidus), °C 650
410
Melting Onset (Solidus), °C 600
400
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 160
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
6.6
Embodied Carbon, kg CO2/kg material 8.3
2.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
85
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
81
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 24 to 26
6.1
Strength to Weight: Bending, points 31 to 32
9.3
Thermal Diffusivity, mm2/s 64
44
Thermal Shock Resistance, points 10 to 11
4.6

Alloy Composition

Aluminum (Al), % 95.2 to 98
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0 to 0.25
0 to 0.0050
Iron (Fe), % 0 to 0.7
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 1.0 to 1.5
0 to 0.0015
Manganese (Mn), % 0.9 to 1.4
0 to 0.015
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.25
99.862 to 100
Residuals, % 0 to 0.15
0