Nuclear Grade Hafnium vs. EN 1.4596 Stainless Steel
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while EN 1.4596 stainless steel belongs to the iron alloys. There are 13 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is EN 1.4596 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 200 |
| Poisson's Ratio | 0.26 | |
| 0.28 |
| Shear Modulus, GPa | 31 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 1030 to 1600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 470 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 11 | |
| 25 |
| Strength to Weight: Axial, points | 7.4 | |
| 36 to 56 |
| Strength to Weight: Bending, points | 8.4 | |
| 29 to 39 |
| Thermal Shock Resistance, points | 55 | |
| 35 to 54 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.8 to 1.1 |
| Carbon (C), % | 0 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 11.5 to 12.5 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 73.4 to 76.4 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 1.9 to 2.2 |
| Nickel (Ni), % | 0 | |
| 9.2 to 10.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0.28 to 0.4 |
| Residuals, % | 0 to 0.23 | |
| 0 |