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5052 Aluminum vs. Z21721 Zinc

5052 aluminum belongs to the aluminum alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 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 5052 aluminum and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
87
Elongation at Break, % 1.1 to 22
40
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 190 to 320
150
Tensile Strength: Yield (Proof), MPa 75 to 280
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 610
390
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.6
Embodied Carbon, kg CO2/kg material 8.6
2.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 69
57
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 590
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 19 to 33
6.4
Strength to Weight: Bending, points 27 to 38
9.6
Thermal Diffusivity, mm2/s 57
44
Thermal Shock Resistance, points 8.3 to 14
4.8

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.1
0 to 0.0050
Iron (Fe), % 0 to 0.4
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.1
98.9 to 100
Residuals, % 0 to 0.15
0