EN 1.7216 Steel vs. Nuclear Grade Hafnium
EN 1.7216 steel belongs to the iron alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. 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 EN 1.7216 steel and the bottom bar is nuclear grade hafnium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 78 |
| Elongation at Break, % | 12 to 23 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 650 to 930 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 400 to 690 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 130 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 140 |
| Thermal Expansion, µm/m-K | 13 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
| 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 430 to 1280 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 11 |
| Strength to Weight: Axial, points | 23 to 33 | |
| 7.4 |
| Strength to Weight: Bending, points | 21 to 27 | |
| 8.4 |
| Thermal Shock Resistance, points | 19 to 27 | |
| 55 |
Alloy Composition
| Carbon (C), % | 0.27 to 0.34 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Iron (Fe), % | 97.2 to 98.4 | |
| 0 |
| Manganese (Mn), % | 0.35 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.15 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.23 |