EN 1.5662 Steel vs. Nuclear Grade Hafnium
EN 1.5662 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 1.5662 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, % | 20 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 550 to 660 | |
| 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 | 8.0 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1150 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 11 |
| Strength to Weight: Axial, points | 26 | |
| 7.4 |
| Strength to Weight: Bending, points | 23 | |
| 8.4 |
| Thermal Shock Resistance, points | 22 | |
| 55 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Iron (Fe), % | 88.6 to 91.2 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 8.5 to 10 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 |
| Vanadium (V), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.23 |