AISI 205 Stainless Steel vs. EN 1.4378 Stainless Steel
Both AISI 205 stainless steel and EN 1.4378 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is EN 1.4378 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 440 | |
| 190 to 340 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 11 to 51 | |
| 14 to 34 |
| Fatigue Strength, MPa | 410 to 640 | |
| 340 to 550 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 560 to 850 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 800 to 1430 | |
| 760 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 450 to 1100 | |
| 430 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 910 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1390 |
| Melting Onset (Solidus), °C | 1340 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 7.6 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 37 | |
| 39 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 430 | |
| 150 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 510 to 3060 | |
| 470 to 2370 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 26 | |
| 25 |
| Strength to Weight: Axial, points | 29 to 52 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 25 to 37 | |
| 24 to 31 |
| Thermal Shock Resistance, points | 16 to 29 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.25 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 17 to 19 |
| Iron (Fe), % | 62.6 to 68.1 | |
| 61.2 to 69 |
| Manganese (Mn), % | 14 to 15.5 | |
| 11.5 to 14.5 |
| Nickel (Ni), % | 1.0 to 1.7 | |
| 2.3 to 3.7 |
| Nitrogen (N), % | 0.32 to 0.4 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |