Commercially Pure Zirconium vs. EN 1.4903 Stainless Steel
Commercially pure zirconium belongs to the otherwise unclassified metals classification, while EN 1.4903 stainless steel belongs to the iron alloys. 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 commercially pure zirconium and the bottom bar is EN 1.4903 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 18 | |
| 20 to 21 |
| Fatigue Strength, MPa | 60 | |
| 320 to 330 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 36 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 670 to 680 |
| Tensile Strength: Yield (Proof), MPa | 240 | |
| 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 26 |
| Thermal Expansion, µm/m-K | 5.5 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 7.8 |
| Embodied Water, L/kg | 450 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 | |
| 650 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 18 | |
| 24 |
| Strength to Weight: Bending, points | 19 | |
| 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 7.0 |
| Thermal Shock Resistance, points | 56 | |
| 23 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.050 | |
| 0.080 to 0.12 |
| Chromium (Cr), % | 0 to 0.2 | |
| 8.0 to 9.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 87.1 to 90.5 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.85 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Niobium (Nb), % | 0 | |
| 0.060 to 0.1 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0.030 to 0.070 |
| Oxygen (O), % | 0 to 0.16 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.18 to 0.25 |
| Zirconium (Zr), % | 94.7 to 100 | |
| 0 |