Z21210 Zinc vs. ASTM A209 Steel
Z21210 zinc belongs to the zinc alloys classification, while ASTM A209 steel belongs to the iron alloys. There are 13 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is Z21210 zinc and the bottom bar is ASTM A209 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Rockwell B Hardness | 45 to 58 | |
| 77 to 81 |
| Tensile Strength: Ultimate (UTS), MPa | 150 to 170 | |
| 420 to 460 |
Thermal Properties
| Melting Completion (Liquidus), °C | 420 | |
| 1470 |
| Melting Onset (Solidus), °C | 420 | |
| 1420 to 1430 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 50 |
| Thermal Expansion, µm/m-K | 32 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 35 | |
| 8.1 to 8.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.1 | |
| 7.9 |
Common Calculations
| Strength to Weight: Axial, points | 5.7 to 6.4 | |
| 15 to 16 |
| Strength to Weight: Bending, points | 8.6 to 9.4 | |
| 16 to 17 |
| Thermal Diffusivity, mm2/s | 38 | |
| 13 |