Reactor Grade Zirconium vs. ASTM B780 Alloy
Both reactor grade zirconium and ASTM B780 alloy are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is reactor grade zirconium and the bottom bar is ASTM B780 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 83 |
| Elongation at Break, % | 21 | |
| 1.1 to 9.1 |
| Poisson's Ratio | 0.34 | |
| 0.36 |
| Shear Modulus, GPa | 37 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 330 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 270 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.4 | |
| 4.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 14 |
| Strength to Weight: Axial, points | 14 | |
| 9.1 to 16 |
| Strength to Weight: Bending, points | 16 | |
| 11 to 15 |
| Thermal Shock Resistance, points | 41 | |
| 16 to 29 |
Alloy Composition
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| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 | |
| 23.5 to 25.7 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0.35 to 0.65 |
| Silver (Ag), % | 0 | |
| 74 to 76 |
| Zinc (Zn), % | 0 | |
| 0 to 0.060 |
| Zirconium (Zr), % | 99.7 to 100 | |
| 0 |
| Residuals, % | 0 to 0.27 | |
| 0 |