EN 1.6368 Steel vs. Grade 705C Zirconium
EN 1.6368 steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is EN 1.6368 steel and the bottom bar is grade 705C zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 210 | |
| 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 98 |
| Elongation at Break, % | 18 | |
| 13 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 690 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 460 to 490 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 270 |
| Thermal Conductivity, W/m-K | 40 | |
| 18 |
| Thermal Expansion, µm/m-K | 13 | |
| 5.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 6.7 |
| Embodied Water, L/kg | 53 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 580 to 650 | |
| 790 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 23 to 24 | |
| 22 |
| Strength to Weight: Bending, points | 21 to 22 | |
| 22 |
| Thermal Diffusivity, mm2/s | 11 | |
| 9.9 |
| Thermal Shock Resistance, points | 20 | |
| 69 |
Alloy Composition
| Aluminum (Al), % | 0.015 to 0.040 | |
| 0 |
| Carbon (C), % | 0 to 0.17 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0.5 to 0.8 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 95.1 to 97.2 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.8 to 1.2 | |
| 0 |
| Molybdenum (Mo), % | 0.25 to 0.5 | |
| 0 |
| Nickel (Ni), % | 1.0 to 1.3 | |
| 0 |
| Niobium (Nb), % | 0.015 to 0.045 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 to 0.020 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.25 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 91.9 to 98 |