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5457 Aluminum vs. Z20301 Zinc

5457 aluminum belongs to the aluminum alloys classification, while Z20301 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 5457 aluminum and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
87
Elongation at Break, % 6.0 to 22
53
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 130 to 210
160
Tensile Strength: Yield (Proof), MPa 50 to 190
130

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 180
90
Melting Completion (Liquidus), °C 660
410
Melting Onset (Solidus), °C 630
400
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
27
Electrical Conductivity: Equal Weight (Specific), % IACS 150
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.6
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 1190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
78
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
96
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 13 to 21
6.7
Strength to Weight: Bending, points 21 to 28
9.9
Thermal Diffusivity, mm2/s 72
44
Thermal Shock Resistance, points 5.7 to 9.0
5.0

Alloy Composition


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Aluminum (Al), % 97.8 to 99.05
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 0 to 0.2
0 to 0.0050
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.15 to 0.45
0
Silicon (Si), % 0 to 0.080
0
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
99.853 to 100
Residuals, % 0 to 0.1
0