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Commercially Pure Zinc vs. Z41321 Zinc

Both commercially pure zinc and Z41321 zinc are zinc alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is Z41321 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
87
Elongation at Break, % 38
60
Poisson's Ratio 0.25
0.25
Shear Modulus, GPa 35
35
Tensile Strength: Ultimate (UTS), MPa 97
190
Tensile Strength: Yield (Proof), MPa 79
150

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 6.6
6.6
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 340
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
100
Resilience: Unit (Modulus of Resilience), kJ/m3 36
130
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 4.1
7.9
Strength to Weight: Bending, points 7.1
11
Thermal Diffusivity, mm2/s 44
44
Thermal Shock Resistance, points 3.0
5.9

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Cadmium (Cd), % 0 to 0.010
0 to 0.0050
Copper (Cu), % 0 to 0.080
0.5 to 1.0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 0 to 0.030
0 to 0.010
Tin (Sn), % 0 to 0.0030
0 to 0.0030
Titanium (Ti), % 0 to 0.020
0.080 to 0.18
Zinc (Zn), % 99.827 to 100
98.8 to 99.42