Commercially Pure Zirconium vs. Reactor Grade Zirconium
Both commercially pure zirconium and reactor grade zirconium are otherwise unclassified metals. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is commercially pure zirconium and the bottom bar is reactor grade zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 98 |
| Elongation at Break, % | 18 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 36 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 240 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 270 |
| Thermal Conductivity, W/m-K | 22 | |
| 22 |
| Thermal Expansion, µm/m-K | 5.5 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 6.5 |
| Embodied Water, L/kg | 450 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 | |
| 130 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 8.4 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 14 |
| Strength to Weight: Bending, points | 19 | |
| 16 |
| Thermal Diffusivity, mm2/s | 12 | |
| 13 |
| Thermal Shock Resistance, points | 56 | |
| 41 |
Alloy Composition
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| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 |
| Zirconium (Zr), % | 94.7 to 100 | |
| 99.7 to 100 |
| Residuals, % | 0 | |
| 0 to 0.27 |