SAE-AISI 1037 Steel vs. Nuclear Grade Hafnium
SAE-AISI 1037 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 SAE-AISI 1037 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, % | 14 to 20 | |
| 25 |
| Poisson's Ratio | 0.29 | |
| 0.26 |
| Shear Modulus, GPa | 73 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 640 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 320 to 540 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 130 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 140 |
| Thermal Expansion, µm/m-K | 12 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 100 | |
| 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 780 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 11 |
| Strength to Weight: Axial, points | 20 to 23 | |
| 7.4 |
| Strength to Weight: Bending, points | 20 to 21 | |
| 8.4 |
| Thermal Shock Resistance, points | 18 to 20 | |
| 55 |
Alloy Composition
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| Carbon (C), % | 0.32 to 0.38 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Iron (Fe), % | 98.5 to 99 | |
| 0 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.23 |