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5449 Aluminum vs. Z40301 Zinc

5449 aluminum belongs to the aluminum alloys classification, while Z40301 zinc belongs to the zinc 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 5449 aluminum and the bottom bar is Z40301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
87
Elongation at Break, % 4.0 to 17
60
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 210 to 330
190
Tensile Strength: Yield (Proof), MPa 91 to 260
150

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 590
400
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
6.6
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
100
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
130
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 22 to 33
7.9
Strength to Weight: Bending, points 29 to 39
11
Thermal Diffusivity, mm2/s 56
44
Thermal Shock Resistance, points 9.4 to 15
5.9

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
0.5 to 1.0
Iron (Fe), % 0 to 0.7
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0
Silicon (Si), % 0 to 0.4
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.1
0 to 0.040
Zinc (Zn), % 0 to 0.3
98.9 to 99.5
Residuals, % 0 to 0.15
0