Grade 702C Zirconium vs. EN 1.0225 Steel
Grade 702C zirconium belongs to the otherwise unclassified metals classification, while EN 1.0225 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is grade 702C zirconium and the bottom bar is EN 1.0225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 130 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 97 | |
| 190 |
| Elongation at Break, % | 13 | |
| 6.7 to 24 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 440 to 500 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 230 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 52 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 52 | |
| 31 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 | |
| 140 to 390 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 19 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 14 |
| Thermal Shock Resistance, points | 55 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.21 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 98 to 100 |
| Manganese (Mn), % | 0 | |
| 0 to 1.4 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.045 |
| Zirconium (Zr), % | 94.8 to 100 | |
| 0 |