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Z40301 Zinc vs. 2018 Aluminum

Z40301 zinc belongs to the zinc alloys classification, while 2018 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 Z40301 zinc and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
73
Elongation at Break, % 60
9.6
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
310

Thermal Properties

Latent Heat of Fusion, J/g 110
390
Maximum Temperature: Mechanical, °C 90
220
Melting Completion (Liquidus), °C 410
640
Melting Onset (Solidus), °C 400
510
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
40
Electrical Conductivity: Equal Weight (Specific), % IACS 37
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 6.6
3.1
Embodied Carbon, kg CO2/kg material 2.8
8.1
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 340
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
37
Resilience: Unit (Modulus of Resilience), kJ/m3 130
670
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 7.9
38
Strength to Weight: Bending, points 11
41
Thermal Diffusivity, mm2/s 44
57
Thermal Shock Resistance, points 5.9
19

Alloy Composition

Aluminum (Al), % 0 to 0.010
89.7 to 94.4
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.5 to 1.0
3.5 to 4.5
Iron (Fe), % 0 to 0.010
0 to 1.0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0
0 to 0.9
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.040
0
Zinc (Zn), % 98.9 to 99.5
0 to 0.25
Residuals, % 0
0 to 0.15