Grade 702C Zirconium vs. EN 1.7227 Steel
Grade 702C zirconium belongs to the otherwise unclassified metals classification, while EN 1.7227 steel belongs to the iron alloys. There are 16 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 grade 702C zirconium and the bottom bar is EN 1.7227 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 97 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 540 to 1850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 46 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 19 to 65 |
| Strength to Weight: Bending, points | 19 | |
| 19 to 43 |
| Thermal Diffusivity, mm2/s | 12 | |
| 12 |
| Thermal Shock Resistance, points | 55 | |
| 16 to 54 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.38 to 0.45 |
| Chromium (Cr), % | 0 | |
| 0.9 to 1.2 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 96.5 to 98 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.3 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0.020 to 0.040 |
| Zirconium (Zr), % | 94.8 to 100 | |
| 0 |