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ZA-8 vs. Commercially Pure Zinc

Both ZA-8 and commercially pure zinc are zinc alloys. They have a moderately high 91% 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-8 and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85 to 86
87
Elongation at Break, % 1.3 to 8.0
38
Poisson's Ratio 0.26
0.25
Shear Modulus, GPa 34
35
Tensile Strength: Ultimate (UTS), MPa 210 to 370
97
Tensile Strength: Yield (Proof), MPa 210 to 290
79

Thermal Properties

Latent Heat of Fusion, J/g 110
110
Maximum Temperature: Mechanical, °C 100
90
Melting Completion (Liquidus), °C 400
410
Melting Onset (Solidus), °C 380
400
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 40
37

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 6.3
6.6
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 62
53
Embodied Water, L/kg 420
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 28
34
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
36
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 9.3 to 17
4.1
Strength to Weight: Bending, points 12 to 18
7.1
Thermal Diffusivity, mm2/s 42
44
Thermal Shock Resistance, points 7.6 to 13
3.0

Alloy Composition

Aluminum (Al), % 8.0 to 8.8
0 to 0.010
Cadmium (Cd), % 0 to 0.0060
0 to 0.010
Copper (Cu), % 0.8 to 1.3
0 to 0.080
Iron (Fe), % 0 to 0.075
0 to 0.020
Lead (Pb), % 0 to 0.0060
0 to 0.030
Magnesium (Mg), % 0.015 to 0.030
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.045
0
Tin (Sn), % 0 to 0.0030
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 89.7 to 91.2
99.827 to 100