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ZA-12 vs. Z21721 Zinc

Both ZA-12 and Z21721 zinc are zinc alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ZA-12 and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
87
Elongation at Break, % 1.6 to 5.3
40
Poisson's Ratio 0.26
0.25
Shear Modulus, GPa 33
35
Tensile Strength: Ultimate (UTS), MPa 260 to 400
150
Tensile Strength: Yield (Proof), MPa 210 to 320
120

Thermal Properties

Latent Heat of Fusion, J/g 120
110
Maximum Temperature: Mechanical, °C 100
90
Melting Completion (Liquidus), °C 430
410
Melting Onset (Solidus), °C 380
390
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 42
37

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 6.0
6.6
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 64
53
Embodied Water, L/kg 440
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.0 to 20
57
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 620
88
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 12 to 19
6.4
Strength to Weight: Bending, points 15 to 20
9.6
Thermal Diffusivity, mm2/s 43
44
Thermal Shock Resistance, points 9.4 to 14
4.8

Alloy Composition

Aluminum (Al), % 10.5 to 11.5
0 to 0.0020
Cadmium (Cd), % 0 to 0.0060
0 to 0.070
Copper (Cu), % 0.5 to 1.2
0 to 0.0050
Iron (Fe), % 0 to 0.075
0 to 0.010
Lead (Pb), % 0 to 0.0060
0 to 1.0
Magnesium (Mg), % 0.015 to 0.030
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.060
0
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 87.1 to 89
98.9 to 100