Nuclear Grade Hafnium vs. AWS E330H
Nuclear grade hafnium belongs to the otherwise unclassified metals classification, while AWS E330H belongs to the iron alloys. There are 14 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 nuclear grade hafnium and the bottom bar is AWS E330H.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 190 |
| Elongation at Break, % | 25 | |
| 11 |
| Poisson's Ratio | 0.26 | |
| 0.29 |
| Shear Modulus, GPa | 31 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 290 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 470 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 8.1 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 11 | |
| 24 |
| Strength to Weight: Axial, points | 7.4 | |
| 24 |
| Strength to Weight: Bending, points | 8.4 | |
| 22 |
| Thermal Shock Resistance, points | 55 | |
| 19 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.35 to 0.45 |
| Chromium (Cr), % | 0 | |
| 14 to 17 |
| Copper (Cu), % | 0 | |
| 0 to 0.75 |
| Hafnium (Hf), % | 99.8 to 100 | |
| 0 |
| Iron (Fe), % | 0 | |
| 40.5 to 51.7 |
| Manganese (Mn), % | 0 | |
| 1.0 to 2.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.75 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.23 | |
| 0 |