Grade 705C Zirconium vs. Grade VDSiCr Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while grade VDSiCr steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is grade 705C zirconium and the bottom bar is grade VDSiCr steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 590 |
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 1950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 18 | |
| 46 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.7 |
| Embodied Water, L/kg | 450 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 70 |
| Strength to Weight: Bending, points | 22 | |
| 45 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 12 |
| Thermal Shock Resistance, points | 69 | |
| 58 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.5 to 0.6 |
| Chromium (Cr), % | 0 | |
| 0.5 to 0.8 |
| Copper (Cu), % | 0 | |
| 0 to 0.060 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 96.6 to 97.8 |
| Manganese (Mn), % | 0 | |
| 0.5 to 0.9 |
| 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 0.025 |
| Silicon (Si), % | 0 | |
| 1.2 to 1.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |