Nuclear Grade Hafnium vs. C23000 Brass
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while C23000 brass belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is C23000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 110 |
| Elongation at Break, % | 25 | |
| 2.9 to 47 |
| Poisson's Ratio | 0.26 | |
| 0.33 |
| Shear Modulus, GPa | 31 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 280 to 590 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 83 to 480 |
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 | |
| 8.6 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 6.2 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 31 to 1040 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 7.4 | |
| 8.9 to 19 |
| Strength to Weight: Bending, points | 8.4 | |
| 11 to 18 |
| Thermal Shock Resistance, points | 55 | |
| 9.4 to 20 |
Alloy Composition
| Copper (Cu), % | 0 | |
| 84 to 86 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 | |
| 13.7 to 16 |
| Residuals, % | 0 | |
| 0 to 0.2 |