Reactor Grade Zirconium vs. Grade 705C Zirconium
Both reactor grade zirconium and grade 705C zirconium are otherwise unclassified metals. They have a moderately high 95% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is reactor grade zirconium and the bottom bar is grade 705C zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 98 |
| Elongation at Break, % | 21 | |
| 13 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 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 | |
| 18 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 5.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 6.7 |
| Embodied Water, L/kg | 280 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 | |
| 790 |
| Stiffness to Weight: Axial, points | 8.4 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 14 | |
| 22 |
| Strength to Weight: Bending, points | 16 | |
| 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 9.9 |
| Thermal Shock Resistance, points | 41 | |
| 69 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0 | |
| 0 to 0.3 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Zirconium (Zr), % | 99.7 to 100 | |
| 91.9 to 98 |
| Residuals, % | 0 to 0.27 | |
| 0 |