Reactor Grade Zirconium vs. ZA-27
Reactor grade zirconium belongs to the otherwise unclassified metals classification, while ZA-27 belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is reactor grade zirconium and the bottom bar is ZA-27.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 78 |
| Elongation at Break, % | 21 | |
| 2.0 to 4.5 |
| Poisson's Ratio | 0.34 | |
| 0.27 |
| Shear Modulus, GPa | 37 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 400 to 430 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 260 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 130 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 530 |
| Thermal Conductivity, W/m-K | 22 | |
| 130 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 26 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 5.0 |
| Embodied Water, L/kg | 280 | |
| 570 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 8.1 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 | |
| 420 to 890 |
| Stiffness to Weight: Axial, points | 8.4 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 28 |
| Strength to Weight: Axial, points | 14 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 16 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 13 | |
| 47 |
| Thermal Shock Resistance, points | 41 | |
| 14 to 15 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 25 to 28 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Copper (Cu), % | 0 | |
| 2.0 to 2.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 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 |
| Zinc (Zn), % | 0 | |
| 69.3 to 73 |
| Zirconium (Zr), % | 99.7 to 100 | |
| 0 |
| Residuals, % | 0 to 0.27 | |
| 0 |