EN 1.6580 Steel vs. AISI 201 Stainless Steel
Both EN 1.6580 steel and AISI 201 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 350 | |
| 200 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 19 | |
| 4.6 to 51 |
| Fatigue Strength, MPa | 310 to 610 | |
| 280 to 600 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 77 |
| Shear Strength, MPa | 450 to 700 | |
| 450 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 1170 | |
| 650 to 1450 |
| Tensile Strength: Yield (Proof), MPa | 460 to 990 | |
| 300 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 450 | |
| 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 | 7.8 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.3 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 23 | |
| 38 |
| Embodied Water, L/kg | 59 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 3.3 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 61 to 340 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 2590 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 41 | |
| 23 to 52 |
| Strength to Weight: Bending, points | 23 to 31 | |
| 22 to 37 |
| Thermal Diffusivity, mm2/s | 11 | |
| 4.0 |
| Thermal Shock Resistance, points | 21 to 34 | |
| 14 to 32 |
Alloy Composition
| Carbon (C), % | 0.26 to 0.34 | |
| 0 to 0.15 |
| Chromium (Cr), % | 1.8 to 2.2 | |
| 16 to 18 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 67.5 to 75 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 0.3 to 0.5 | |
| 0 |
| Nickel (Ni), % | 1.8 to 2.2 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 to 0.030 |