EN 1.6554 Steel vs. AISI 201LN Stainless Steel
Both EN 1.6554 steel and AISI 201LN stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 280 | |
| 210 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 17 to 21 | |
| 25 to 51 |
| Fatigue Strength, MPa | 380 to 520 | |
| 340 to 540 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 930 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 550 to 790 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 420 | |
| 880 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1410 |
| Melting Onset (Solidus), °C | 1420 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 40 | |
| 15 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 3.4 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 22 | |
| 38 |
| Embodied Water, L/kg | 53 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 230 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1650 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 33 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0.23 to 0.28 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0.7 to 0.9 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 1.0 |
| Iron (Fe), % | 94.6 to 97.3 | |
| 67.9 to 73.5 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 6.4 to 7.5 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.0 to 2.0 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 to 0.030 | |
| 0 |