MakeItFrom.com
Menu (ESC)

Z21721 Zinc vs. ZA-8

Both Z21721 zinc and ZA-8 are zinc alloys. They have a moderately high 90% 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-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
85 to 86
Elongation at Break, % 40
1.3 to 8.0
Poisson's Ratio 0.25
0.26
Shear Modulus, GPa 35
34
Tensile Strength: Ultimate (UTS), MPa 150
210 to 370
Tensile Strength: Yield (Proof), MPa 120
210 to 290

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 88
260 to 490
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 6.4
9.3 to 17
Strength to Weight: Bending, points 9.6
12 to 18
Thermal Diffusivity, mm2/s 44
42
Thermal Shock Resistance, points 4.8
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.0020
8.0 to 8.8
Cadmium (Cd), % 0 to 0.070
0 to 0.0060
Copper (Cu), % 0 to 0.0050
0.8 to 1.3
Iron (Fe), % 0 to 0.010
0 to 0.075
Lead (Pb), % 0 to 1.0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.045
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
89.7 to 91.2