EN 1.4640 Stainless Steel vs. Commercially Pure Zirconium
EN 1.4640 stainless steel belongs to the iron alloys classification, while commercially pure 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 1.4640 stainless steel and the bottom bar is commercially pure zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 98 |
| Elongation at Break, % | 51 | |
| 18 |
| Fatigue Strength, MPa | 230 to 250 | |
| 60 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 650 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 240 to 260 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 270 |
| Thermal Conductivity, W/m-K | 15 | |
| 22 |
| Thermal Expansion, µm/m-K | 16 | |
| 5.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.7 |
| Embodied Water, L/kg | 150 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 250 to 260 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 170 | |
| 290 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 23 | |
| 18 |
| Strength to Weight: Bending, points | 21 | |
| 19 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 12 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 56 |
Alloy Composition
| Carbon (C), % | 0.030 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 18 to 19 | |
| 0 to 0.2 |
| Copper (Cu), % | 1.3 to 2.0 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 67.4 to 73.6 | |
| 0 to 0.2 |
| Manganese (Mn), % | 1.5 to 4.0 | |
| 0 |
| Nickel (Ni), % | 5.5 to 6.9 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.11 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 94.7 to 100 |