R60901 Alloy vs. Reactor Grade Zirconium
Both R60901 alloy and reactor grade zirconium 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 R60901 alloy 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, % | 17 to 22 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 580 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 270 |
| Thermal Conductivity, W/m-K | 17 | |
| 22 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.6 | |
| 6.5 |
| Embodied Water, L/kg | 270 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 100 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 640 to 760 | |
| 130 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 8.4 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 14 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 16 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 13 |
| Thermal Shock Resistance, points | 58 to 67 | |
| 41 |
Alloy Composition
| Niobium (Nb), % | 2.4 to 2.8 | |
| 0 |
| Zirconium (Zr), % | 96.8 to 97.5 | |
| 99.7 to 100 |
| Residuals, % | 0 | |
| 0 to 0.27 |