Low-oxygen Zirconium vs. EN 1.7380 Steel
Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while EN 1.7380 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is EN 1.7380 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 23 | |
| 19 to 20 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 37 | |
| 74 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 540 to 550 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 290 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 39 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.9 |
| Embodied Water, L/kg | 450 | |
| 59 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 | |
| 87 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 230 to 280 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 14 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 16 | |
| 19 |
| Thermal Diffusivity, mm2/s | 12 | |
| 11 |
| Thermal Shock Resistance, points | 42 | |
| 15 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.080 to 0.14 |
| Chromium (Cr), % | 0 to 0.2 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 94.6 to 96.6 |
| Manganese (Mn), % | 0 | |
| 0.4 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0 to 0.012 |
| Oxygen (O), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Zirconium (Zr), % | 94.7 to 100 | |
| 0 |