EN 1.4571 Stainless Steel vs. AISI 316N Stainless Steel
Both EN 1.4571 stainless steel and AISI 316N stainless steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is AISI 316N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 190 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 40 | |
| 9.0 to 39 |
| Fatigue Strength, MPa | 200 to 330 | |
| 230 to 450 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 78 |
| Shear Strength, MPa | 410 to 550 | |
| 420 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 620 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 270 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 480 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 940 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 19 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.9 | |
| 3.9 |
| Embodied Energy, MJ/kg | 54 | |
| 53 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 25 | |
| 27 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 95 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 820 | |
| 180 to 1880 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 22 to 41 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.1 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 14 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 16 to 18 |
| Iron (Fe), % | 61.7 to 71 | |
| 61.9 to 71.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 10.5 to 13.5 | |
| 10 to 14 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.7 | |
| 0 |