EN 1.4401 Stainless Steel vs. EN 1.4006 Stainless Steel
Both EN 1.4401 stainless steel and EN 1.4006 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is EN 1.4006 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 40 | |
| 16 to 23 |
| Fatigue Strength, MPa | 200 to 320 | |
| 150 to 300 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 78 | |
| 76 |
| Shear Strength, MPa | 410 to 550 | |
| 370 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 590 to 750 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 230 to 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 740 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 15 | |
| 30 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 7.0 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 1.9 |
| Embodied Energy, MJ/kg | 52 | |
| 27 |
| Embodied Water, L/kg | 150 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 26 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 99 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 800 | |
| 140 to 660 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 21 to 27 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 20 to 24 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 8.1 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 21 to 26 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 11.5 to 13.5 |
| Iron (Fe), % | 62.8 to 71.5 | |
| 83.1 to 88.4 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10 to 13 | |
| 0 to 0.75 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |