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ZA-27 vs. Commercially Pure Zinc

Both ZA-27 and commercially pure zinc are zinc alloys. They have 71% 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-27 and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 78
87
Elongation at Break, % 2.0 to 4.5
38
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 31
35
Tensile Strength: Ultimate (UTS), MPa 400 to 430
97
Tensile Strength: Yield (Proof), MPa 260 to 370
79

Thermal Properties

Latent Heat of Fusion, J/g 130
110
Maximum Temperature: Mechanical, °C 120
90
Melting Completion (Liquidus), °C 480
410
Melting Onset (Solidus), °C 380
400
Specific Heat Capacity, J/kg-K 530
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 26
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
27
Electrical Conductivity: Equal Weight (Specific), % IACS 53
37

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 5.0
6.6
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 80
53
Embodied Water, L/kg 570
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
34
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
36
Stiffness to Weight: Axial, points 8.6
7.4
Stiffness to Weight: Bending, points 28
23
Strength to Weight: Axial, points 22 to 24
4.1
Strength to Weight: Bending, points 24 to 25
7.1
Thermal Diffusivity, mm2/s 47
44
Thermal Shock Resistance, points 14 to 15
3.0

Alloy Composition

Aluminum (Al), % 25 to 28
0 to 0.010
Cadmium (Cd), % 0 to 0.0060
0 to 0.010
Copper (Cu), % 2.0 to 2.5
0 to 0.080
Iron (Fe), % 0 to 0.1
0 to 0.020
Lead (Pb), % 0 to 0.0060
0 to 0.030
Magnesium (Mg), % 0.010 to 0.020
0
Nickel (Ni), % 0 to 0.020
0
Silicon (Si), % 0 to 0.080
0
Tin (Sn), % 0 to 0.0030
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 69.3 to 73
99.827 to 100