Cold Finished AISI 309 vs. Cold-rolled Z21210 Zinc
Cold finished AISI 309 belongs to the iron alloys classification, while cold-rolled Z21210 zinc belongs to the zinc alloys. There are 13 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.
For each property being compared, the top bar is cold finished AISI 309 and the bottom bar is cold-rolled Z21210 zinc.
Metric UnitsUS Customary Units
Mechanical Properties
| Rockwell B Hardness | 84 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 170 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1450 | |
| 420 |
| Melting Onset (Solidus), °C | 1400 | |
| 420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Conductivity, W/m-K | 16 | |
| 110 |
| Thermal Expansion, µm/m-K | 15 | |
| 32 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 35 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 7.1 |
Common Calculations
| Strength to Weight: Axial, points | 25 | |
| 6.4 |
| Strength to Weight: Bending, points | 23 | |
| 9.4 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 38 |