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Z41321 Zinc vs. 4045 Aluminum

Z41321 zinc belongs to the zinc alloys classification, while 4045 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 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
71
Elongation at Break, % 60
2.3
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
27
Tensile Strength: Ultimate (UTS), MPa 190
120
Tensile Strength: Yield (Proof), MPa 150
64

Thermal Properties

Latent Heat of Fusion, J/g 110
540
Maximum Temperature: Mechanical, °C 90
160
Melting Completion (Liquidus), °C 410
600
Melting Onset (Solidus), °C 400
580
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 110
170
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
45
Electrical Conductivity: Equal Weight (Specific), % IACS 37
160

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 6.6
2.6
Embodied Carbon, kg CO2/kg material 2.8
7.8
Embodied Energy, MJ/kg 54
150
Embodied Water, L/kg 340
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 130
29
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 23
54
Strength to Weight: Axial, points 7.9
13
Strength to Weight: Bending, points 11
21
Thermal Diffusivity, mm2/s 44
74
Thermal Shock Resistance, points 5.9
5.7

Alloy Composition


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Aluminum (Al), % 0 to 0.010
87.4 to 91
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Silicon (Si), % 0
9.0 to 11
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0.080 to 0.18
0 to 0.2
Zinc (Zn), % 98.8 to 99.42
0 to 0.1
Residuals, % 0
0 to 0.15