Nuclear Grade Hafnium vs. Monel R-405
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while Monel R-405 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is Monel R-405.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 160 |
| Elongation at Break, % | 25 | |
| 9.1 to 39 |
| Poisson's Ratio | 0.26 | |
| 0.32 |
| Shear Modulus, GPa | 31 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 540 to 630 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 430 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.9 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 49 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 120 to 370 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 10 |
| Stiffness to Weight: Bending, points | 11 | |
| 21 |
| Strength to Weight: Axial, points | 7.4 | |
| 17 to 20 |
| Strength to Weight: Bending, points | 8.4 | |
| 17 to 18 |
| Thermal Shock Resistance, points | 55 | |
| 17 to 20 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 63 to 72 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0.025 to 0.060 |
| Residuals, % | 0 to 0.23 | |
| 0 |