Nuclear Grade Hafnium vs. C78200 Nickel Silver
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C78200 nickel silver belongs to the copper 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 C78200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 110 |
| Elongation at Break, % | 25 | |
| 3.0 to 40 |
| Poisson's Ratio | 0.26 | |
| 0.32 |
| Shear Modulus, GPa | 31 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 370 to 630 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 170 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 190 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.4 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 18 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 130 to 1440 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 7.4 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 8.4 | |
| 14 to 19 |
| Thermal Shock Resistance, points | 55 | |
| 12 to 21 |
Alloy Composition
| Copper (Cu), % | 0 | |
| 63 to 67 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.0 to 9.0 |
| Zinc (Zn), % | 0 | |
| 20.2 to 28.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |