Commercially Pure Zirconium vs. R60705 Alloy
Both commercially pure zirconium and R60705 alloy are otherwise unclassified metals. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is commercially pure zirconium and the bottom bar is R60705 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 98 |
| Elongation at Break, % | 18 | |
| 18 |
| Fatigue Strength, MPa | 60 | |
| 290 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 36 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 240 | |
| 430 |
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 | 5.5 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 6.7 |
| Embodied Water, L/kg | 450 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 | |
| 950 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 18 | |
| 22 |
| Strength to Weight: Bending, points | 19 | |
| 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 9.5 |
| Thermal Shock Resistance, points | 56 | |
| 63 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 to 0.2 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.2 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 to 0.18 |
| Zirconium (Zr), % | 94.7 to 100 | |
| 91 to 98 |