Nuclear Grade Hafnium vs. EN 1.4310 Stainless Steel
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while EN 1.4310 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is nuclear grade hafnium and the bottom bar is EN 1.4310 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 200 |
| Elongation at Break, % | 25 | |
| 14 to 45 |
| Poisson's Ratio | 0.26 | |
| 0.28 |
| Shear Modulus, GPa | 31 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 730 to 900 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 260 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 290 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 480 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 7.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 | |
| 110 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 170 to 830 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 11 | |
| 25 |
| Strength to Weight: Axial, points | 7.4 | |
| 26 to 32 |
| Strength to Weight: Bending, points | 8.4 | |
| 23 to 27 |
| Thermal Shock Resistance, points | 55 | |
| 15 to 18 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 16 to 19 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 66.4 to 78 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.8 |
| Nickel (Ni), % | 0 | |
| 6.0 to 9.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Residuals, % | 0 to 0.23 | |
| 0 |