Nuclear Grade Hafnium vs. C75700 Nickel Silver
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C75700 nickel silver belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is C75700 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 120 |
| Elongation at Break, % | 25 | |
| 3.2 to 22 |
| Poisson's Ratio | 0.26 | |
| 0.32 |
| Shear Modulus, GPa | 31 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 590 to 610 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 470 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 200 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.4 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 930 to 1410 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 7.4 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 8.4 | |
| 19 |
| Thermal Shock Resistance, points | 55 | |
| 22 to 23 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 63.5 to 66.5 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 11 to 13 |
| Zinc (Zn), % | 0 | |
| 19.2 to 25.5 |
| Residuals, % | 0 to 0.23 | |
| 0 to 0.5 |