Reactor Grade Zirconium vs. SAE-AISI H19 Steel
Reactor grade zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is reactor grade zirconium and the bottom bar is SAE-AISI H19 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 37 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 720 to 1990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 460 |
| Thermal Conductivity, W/m-K | 22 | |
| 29 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 8.2 |
| Embodied Water, L/kg | 280 | |
| 110 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 14 | |
| 24 to 68 |
| Strength to Weight: Bending, points | 16 | |
| 22 to 43 |
| Thermal Diffusivity, mm2/s | 13 | |
| 7.9 |
| Thermal Shock Resistance, points | 41 | |
| 21 to 59 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.32 to 0.45 |
| Chromium (Cr), % | 0 | |
| 4.0 to 4.8 |
| Cobalt (Co), % | 0 | |
| 4.0 to 4.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 | |
| 81.4 to 85.5 |
| Manganese (Mn), % | 0 | |
| 0.2 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0.3 to 0.55 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.2 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 3.8 to 4.5 |
| Vanadium (V), % | 0 | |
| 1.8 to 2.2 |
| Zirconium (Zr), % | 99.7 to 100 | |
| 0 |
| Residuals, % | 0 to 0.27 | |
| 0 |