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Z21721 Zinc vs. Z24311 Zinc

Both Z21721 zinc and Z24311 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 Z21721 zinc and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
87
Elongation at Break, % 40
63
Poisson's Ratio 0.25
0.25
Shear Modulus, GPa 35
35
Tensile Strength: Ultimate (UTS), MPa 150
140
Tensile Strength: Yield (Proof), MPa 120
120

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 390
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 57
85
Resilience: Unit (Modulus of Resilience), kJ/m3 88
81
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 6.4
6.1
Strength to Weight: Bending, points 9.6
9.3
Thermal Diffusivity, mm2/s 44
44
Thermal Shock Resistance, points 4.8
4.6

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.0020
Cadmium (Cd), % 0 to 0.070
0 to 0.0050
Copper (Cu), % 0 to 0.0050
0 to 0.0050
Iron (Fe), % 0 to 0.010
0 to 0.010
Lead (Pb), % 0 to 1.0
0.030 to 0.080
Magnesium (Mg), % 0
0 to 0.0015
Manganese (Mn), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.020
0 to 0.020
Zinc (Zn), % 98.9 to 100
99.862 to 100