EN 1.4578 Stainless Steel vs. EN 1.4567 Stainless Steel
Both EN 1.4578 stainless steel and EN 1.4567 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4578 stainless steel and the bottom bar is EN 1.4567 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 | |
| 190 to 240 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 51 | |
| 22 to 51 |
| Fatigue Strength, MPa | 200 | |
| 190 to 260 |
| Impact Strength: V-Notched Charpy, J | 90 | |
| 91 to 110 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 76 |
| Shear Strength, MPa | 400 | |
| 390 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 550 to 780 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 200 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 930 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1410 |
| Melting Onset (Solidus), °C | 1390 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 14 | |
| 11 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 16 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 3.1 |
| Embodied Energy, MJ/kg | 51 | |
| 43 |
| Embodied Water, L/kg | 160 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 25 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 | |
| 150 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 | |
| 100 to 400 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 | |
| 19 to 27 |
| Strength to Weight: Bending, points | 19 | |
| 19 to 24 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 3.0 |
| Thermal Shock Resistance, points | 12 | |
| 12 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.040 |
| Chromium (Cr), % | 16.5 to 17.5 | |
| 17 to 19 |
| Copper (Cu), % | 3.0 to 3.5 | |
| 3.0 to 4.0 |
| Iron (Fe), % | 62.3 to 68.5 | |
| 63.3 to 71.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10 to 11 | |
| 8.5 to 10.5 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |