Grade 705C Zirconium vs. EN 1.1127 Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.1127 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 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 190 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 13 | |
| 14 to 25 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 410 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 18 | |
| 49 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 90 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 440 to 880 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 23 to 28 |
| Strength to Weight: Bending, points | 22 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 13 |
| Thermal Shock Resistance, points | 69 | |
| 21 to 25 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.34 to 0.42 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 96.6 to 98.1 |
| Manganese (Mn), % | 0 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| 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 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |