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Z20301 Zinc vs. 7108 Aluminum

Z20301 zinc belongs to the zinc alloys classification, while 7108 aluminum belongs to the aluminum 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 Z20301 zinc and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
69
Elongation at Break, % 53
11
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
26
Tensile Strength: Ultimate (UTS), MPa 160
350
Tensile Strength: Yield (Proof), MPa 130
290

Thermal Properties

Latent Heat of Fusion, J/g 110
380
Maximum Temperature: Mechanical, °C 90
210
Melting Completion (Liquidus), °C 410
630
Melting Onset (Solidus), °C 400
530
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
39
Electrical Conductivity: Equal Weight (Specific), % IACS 37
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 6.6
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 340
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
38
Resilience: Unit (Modulus of Resilience), kJ/m3 96
620
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 6.7
34
Strength to Weight: Bending, points 9.9
38
Thermal Diffusivity, mm2/s 44
59
Thermal Shock Resistance, points 5.0
16

Alloy Composition

Aluminum (Al), % 0 to 0.0020
92.4 to 94.7
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.0050
0 to 0.050
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0
0.7 to 1.4
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.020
0 to 0.050
Zinc (Zn), % 99.853 to 100
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15