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5082 Aluminum vs. Z41121 Zinc

5082 aluminum belongs to the aluminum alloys classification, while Z41121 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 5082 aluminum and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
87
Elongation at Break, % 1.1
50
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 25
35
Tensile Strength: Ultimate (UTS), MPa 380 to 400
140
Tensile Strength: Yield (Proof), MPa 300 to 340
120

Thermal Properties

Latent Heat of Fusion, J/g 400
110
Maximum Temperature: Mechanical, °C 180
90
Melting Completion (Liquidus), °C 640
410
Melting Onset (Solidus), °C 560
400
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
37

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
6.6
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 4.3
68
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 870
79
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 39 to 41
6.1
Strength to Weight: Bending, points 43 to 45
9.3
Thermal Diffusivity, mm2/s 54
44
Thermal Shock Resistance, points 17 to 18
4.6

Alloy Composition

Aluminum (Al), % 93.5 to 96
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0.080 to 0.49
Iron (Fe), % 0 to 0.35
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.1
0.050 to 0.18
Zinc (Zn), % 0 to 0.25
99.292 to 99.87
Residuals, % 0 to 0.15
0