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Commercially Pure Zinc vs. Z20301 Zinc

Both commercially pure zinc and Z20301 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 Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
87
Elongation at Break, % 38
53
Poisson's Ratio 0.25
0.25
Shear Modulus, GPa 35
35
Tensile Strength: Ultimate (UTS), MPa 97
160
Tensile Strength: Yield (Proof), MPa 79
130

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
11
Density, g/cm3 6.6
6.6
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 340
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
78
Resilience: Unit (Modulus of Resilience), kJ/m3 36
96
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 4.1
6.7
Strength to Weight: Bending, points 7.1
9.9
Thermal Diffusivity, mm2/s 44
44
Thermal Shock Resistance, points 3.0
5.0

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0020
Cadmium (Cd), % 0 to 0.010
0 to 0.010
Copper (Cu), % 0 to 0.080
0 to 0.0050
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0 to 0.020
Zinc (Zn), % 99.827 to 100
99.853 to 100