EN 1.6570 Steel vs. Nuclear Grade Hafnium
EN 1.6570 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 (15, in this case) are not shown.
For each property being compared, the top bar is EN 1.6570 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, % | 11 to 17 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1130 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1060 | |
| 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 | 7.9 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 140 | |
| 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1520 to 3010 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 11 |
| Strength to Weight: Axial, points | 32 to 40 | |
| 7.4 |
| Strength to Weight: Bending, points | 27 to 31 | |
| 8.4 |
| Thermal Shock Resistance, points | 27 to 33 | |
| 55 |
Alloy Composition
| Carbon (C), % | 0.28 to 0.35 | |
| 0 |
| Chromium (Cr), % | 1.0 to 1.4 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Iron (Fe), % | 94 to 96.2 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0 |
| Nickel (Ni), % | 1.6 to 2.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.23 |