EN 1.4305 Stainless Steel vs. Grade 702C Zirconium
EN 1.4305 stainless steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is grade 702C zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 to 270 | |
| 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 97 |
| Elongation at Break, % | 14 to 40 | |
| 13 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 900 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 220 to 570 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 270 |
| Thermal Conductivity, W/m-K | 15 | |
| 22 |
| Thermal Expansion, µm/m-K | 16 | |
| 5.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.7 |
| Embodied Water, L/kg | 140 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 830 | |
| 510 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 23 |
| Strength to Weight: Axial, points | 22 to 32 | |
| 18 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 19 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 12 |
| Thermal Shock Resistance, points | 14 to 20 | |
| 55 |
Alloy Composition
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.1 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 66.4 to 74.9 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 10 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0.15 to 0.35 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 94.8 to 100 |