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Z21721 Zinc vs. ZA-27

Both Z21721 zinc and ZA-27 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 Z21721 zinc and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
78
Elongation at Break, % 40
2.0 to 4.5
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 35
31
Tensile Strength: Ultimate (UTS), MPa 150
400 to 430
Tensile Strength: Yield (Proof), MPa 120
260 to 370

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 88
420 to 890
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 22
28
Strength to Weight: Axial, points 6.4
22 to 24
Strength to Weight: Bending, points 9.6
24 to 25
Thermal Diffusivity, mm2/s 44
47
Thermal Shock Resistance, points 4.8
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0020
25 to 28
Cadmium (Cd), % 0 to 0.070
0 to 0.0060
Copper (Cu), % 0 to 0.0050
2.0 to 2.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0 to 1.0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
69.3 to 73