AISI 304LN Stainless Steel vs. AISI 304N Stainless Steel
Both AISI 304LN stainless steel and AISI 304N stainless steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is AISI 304LN stainless steel and the bottom bar is AISI 304N stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 350 | |
| 190 to 360 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 7.8 to 46 | |
| 9.1 to 45 |
| Fatigue Strength, MPa | 200 to 440 | |
| 220 to 440 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 400 to 680 | |
| 420 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 1160 | |
| 620 to 1180 |
| Tensile Strength: Yield (Proof), MPa | 230 to 870 | |
| 270 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 420 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 960 | |
| 960 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1420 |
| Melting Onset (Solidus), °C | 1380 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 16 |
| Thermal Expansion, µm/m-K | 16 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 15 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 3.0 |
| Embodied Energy, MJ/kg | 44 | |
| 43 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 21 | |
| 21 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 270 | |
| 98 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1900 | |
| 180 to 1830 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 41 | |
| 22 to 42 |
| Strength to Weight: Bending, points | 20 to 31 | |
| 21 to 32 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 4.2 |
| Thermal Shock Resistance, points | 13 to 26 | |
| 14 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.080 |
| Chromium (Cr), % | 18 to 20 | |
| 18 to 20 |
| Iron (Fe), % | 65 to 73.9 | |
| 66.4 to 73.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 8.0 to 12 | |
| 8.0 to 10.5 |
| Nitrogen (N), % | 0.1 to 0.16 | |
| 0.1 to 0.16 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |