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Z20301 Zinc vs. EN AC-21100 Aluminum

Z20301 zinc belongs to the zinc alloys classification, while EN AC-21100 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 EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
71
Elongation at Break, % 53
6.2 to 7.3
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
27
Tensile Strength: Ultimate (UTS), MPa 160
340 to 350
Tensile Strength: Yield (Proof), MPa 130
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 110
390
Maximum Temperature: Mechanical, °C 90
170
Melting Completion (Liquidus), °C 410
670
Melting Onset (Solidus), °C 400
550
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
34
Electrical Conductivity: Equal Weight (Specific), % IACS 37
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 6.6
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 340
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 96
300 to 400
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 6.7
31 to 33
Strength to Weight: Bending, points 9.9
36 to 37
Thermal Diffusivity, mm2/s 44
48
Thermal Shock Resistance, points 5.0
15

Alloy Composition

Aluminum (Al), % 0 to 0.0020
93.4 to 95.7
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.0050
4.2 to 5.2
Iron (Fe), % 0 to 0.010
0 to 0.19
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 0.55
Silicon (Si), % 0
0 to 0.18
Titanium (Ti), % 0 to 0.020
0.15 to 0.3
Zinc (Zn), % 99.853 to 100
0 to 0.070
Residuals, % 0
0 to 0.1