EN 1.4371 Stainless Steel vs. AISI 316N Stainless Steel
Both EN 1.4371 stainless steel and AISI 316N stainless steel are iron alloys. They have 90% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is AISI 316N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 230 | |
| 190 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 45 to 51 | |
| 9.0 to 39 |
| Fatigue Strength, MPa | 290 to 340 | |
| 230 to 450 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 78 |
| Shear Strength, MPa | 520 to 540 | |
| 420 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
| 620 to 1160 |
| Tensile Strength: Yield (Proof), MPa | 320 to 340 | |
| 270 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 880 | |
| 940 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1440 |
| Melting Onset (Solidus), °C | 1370 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 19 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.9 |
| Embodied Energy, MJ/kg | 38 | |
| 53 |
| Embodied Water, L/kg | 140 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 27 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 270 to 310 | |
| 95 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 300 | |
| 180 to 1880 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 27 | |
| 22 to 41 |
| Strength to Weight: Bending, points | 24 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.1 |
| Thermal Shock Resistance, points | 16 | |
| 14 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 17.5 | |
| 16 to 18 |
| Copper (Cu), % | 0 to 1.0 | |
| 0 |
| Iron (Fe), % | 66.7 to 74.4 | |
| 61.9 to 71.9 |
| Manganese (Mn), % | 6.0 to 8.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 3.0 |
| Nickel (Ni), % | 3.5 to 5.5 | |
| 10 to 14 |
| Nitrogen (N), % | 0.15 to 0.25 | |
| 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 |