ZA-27 vs. Z21210 Zinc
Both ZA-27 and Z21210 zinc are zinc alloys. There are 13 material properties with values for both materials. Properties with values for just one material (23, in this case) are not shown.
For each property being compared, the top bar is ZA-27 and the bottom bar is Z21210 zinc.
Metric UnitsUS Customary Units
Mechanical Properties
Rockwell B Hardness | 60 to 72 | |
45 to 58 |
Tensile Strength: Ultimate (UTS), MPa | 400 to 430 | |
150 to 170 |
Thermal Properties
Melting Completion (Liquidus), °C | 480 | |
420 |
Melting Onset (Solidus), °C | 380 | |
420 |
Specific Heat Capacity, J/kg-K | 530 | |
400 |
Thermal Conductivity, W/m-K | 130 | |
110 |
Thermal Expansion, µm/m-K | 26 | |
32 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 30 | |
28 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
35 |
Otherwise Unclassified Properties
Density, g/cm3 | 5.0 | |
7.1 |
Common Calculations
Strength to Weight: Axial, points | 22 to 24 | |
5.7 to 6.4 |
Strength to Weight: Bending, points | 24 to 25 | |
8.6 to 9.4 |
Thermal Diffusivity, mm2/s | 47 | |
38 |