EN 1.4024 Stainless Steel vs. EN 1.4404 Stainless Steel
Both EN 1.4024 stainless steel and EN 1.4404 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 1.4024 stainless steel and the bottom bar is EN 1.4404 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 15 to 22 | |
| 14 to 43 |
| Fatigue Strength, MPa | 220 to 300 | |
| 220 to 320 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 78 |
| Shear Strength, MPa | 370 to 460 | |
| 420 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 590 to 750 | |
| 600 to 900 |
| Tensile Strength: Yield (Proof), MPa | 330 to 510 | |
| 240 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 950 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 19 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 3.8 |
| Embodied Energy, MJ/kg | 27 | |
| 52 |
| Embodied Water, L/kg | 100 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 26 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 110 | |
| 110 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 660 | |
| 140 to 800 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 27 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 20 to 24 | |
| 20 to 26 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 21 to 26 | |
| 13 to 20 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.17 | |
| 0 to 0.030 |
| Chromium (Cr), % | 12 to 14 | |
| 16.5 to 18.5 |
| Iron (Fe), % | 83.8 to 87.9 | |
| 62.8 to 71.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 2.5 |
| Nickel (Ni), % | 0 | |
| 10 to 13 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |