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Z41321 Zinc vs. 2618 Aluminum

Z41321 zinc belongs to the zinc alloys classification, while 2618 aluminum belongs to the aluminum 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 Z41321 zinc and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
71
Elongation at Break, % 60
5.8
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
27
Tensile Strength: Ultimate (UTS), MPa 190
420
Tensile Strength: Yield (Proof), MPa 150
350

Thermal Properties

Latent Heat of Fusion, J/g 110
390
Maximum Temperature: Mechanical, °C 90
210
Melting Completion (Liquidus), °C 410
640
Melting Onset (Solidus), °C 400
550
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 26
22

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 6.6
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 54
150
Embodied Water, L/kg 340
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
23
Resilience: Unit (Modulus of Resilience), kJ/m3 130
850
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 7.9
40
Strength to Weight: Bending, points 11
42
Thermal Diffusivity, mm2/s 44
62
Thermal Shock Resistance, points 5.9
19

Alloy Composition


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Aluminum (Al), % 0 to 0.010
92.4 to 94.9
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.5 to 1.0
1.9 to 2.7
Iron (Fe), % 0 to 0.010
0.9 to 1.3
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
1.3 to 1.8
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0
0.1 to 0.25
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0.080 to 0.18
0.040 to 0.1
Zinc (Zn), % 98.8 to 99.42
0 to 0.1
Residuals, % 0
0 to 0.15