Grade 705C Zirconium vs. EN 1.4028 Stainless Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4028 stainless steel belongs to the iron alloys. There are 20 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 EN 1.4028 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 13 | |
| 11 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 36 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 660 to 930 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 390 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 18 | |
| 30 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.7 |
| Embodied Water, L/kg | 450 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 94 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 380 to 1360 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 22 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 8.1 |
| Thermal Shock Resistance, points | 69 | |
| 23 to 32 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.26 to 0.35 |
| Chromium (Cr), % | 0 | |
| 12 to 14 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 83.1 to 87.7 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| 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 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |