EN 1.6579 Steel vs. AISI 201LN Stainless Steel
Both EN 1.6579 steel and AISI 201LN stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is EN 1.6579 steel and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 290 | |
| 210 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 14 | |
| 25 to 51 |
| Fatigue Strength, MPa | 380 to 570 | |
| 340 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 850 to 980 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 600 to 910 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 880 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1410 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 39 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.7 | |
| 12 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 22 | |
| 38 |
| Embodied Water, L/kg | 56 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 2.4 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 to 2210 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 25 to 28 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 25 to 29 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.32 to 0.38 | |
| 0 to 0.030 |
| Chromium (Cr), % | 1.4 to 1.7 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Iron (Fe), % | 94.2 to 96.1 | |
| 67.9 to 73.5 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 6.4 to 7.5 |
| Molybdenum (Mo), % | 0.15 to 0.35 | |
| 0 |
| Nickel (Ni), % | 1.4 to 1.7 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |