Reactor Grade Zirconium vs. R60901 Alloy
Both reactor grade zirconium and R60901 alloy are otherwise unclassified metals. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is reactor grade zirconium and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 98 |
| Elongation at Break, % | 21 | |
| 17 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 500 to 580 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 350 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 270 |
| Thermal Conductivity, W/m-K | 22 | |
| 17 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 6.6 |
| Embodied Water, L/kg | 280 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 88 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 | |
| 640 to 760 |
| Stiffness to Weight: Axial, points | 8.4 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 14 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 16 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 13 | |
| 9.7 |
| Thermal Shock Resistance, points | 41 | |
| 58 to 67 |
Alloy Composition
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Zirconium (Zr), % | 99.7 to 100 | |
| 96.8 to 97.5 |
| Residuals, % | 0 | |
| 0 to 0.29 |