Grade 705C Zirconium vs. EN 1.6553 Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.6553 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 705C zirconium and the bottom bar is EN 1.6553 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 210 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 13 | |
| 19 to 21 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 710 to 800 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 470 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 18 | |
| 39 |
| 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
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 130 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 600 to 1190 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 25 to 28 |
| Strength to Weight: Bending, points | 22 | |
| 23 to 24 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 10 |
| Thermal Shock Resistance, points | 69 | |
| 21 to 23 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.23 to 0.28 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.8 |
| 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 0.3 | |
| 95.6 to 98.2 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.15 to 0.3 |
| Nickel (Ni), % | 0 | |
| 0.4 to 0.8 |
| Niobium (Nb), % | 2.0 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |