Grade 705C Zirconium vs. EN 1.4057 Stainless Steel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4057 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.4057 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 200 |
| Elongation at Break, % | 13 | |
| 11 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 36 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 840 to 980 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 530 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 480 |
| Thermal Conductivity, W/m-K | 18 | |
| 25 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 10 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.7 |
| Embodied Water, L/kg | 450 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 96 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 700 to 1610 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 22 | |
| 30 to 35 |
| Strength to Weight: Bending, points | 22 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 6.7 |
| Thermal Shock Resistance, points | 69 | |
| 30 to 35 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0.12 to 0.22 |
| Chromium (Cr), % | 0 | |
| 15 to 17 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 77.7 to 83.4 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 1.5 to 2.5 |
| 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 |