EN 1.4021 Stainless Steel vs. EN 1.4419 Stainless Steel
Both EN 1.4021 stainless steel and EN 1.4419 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4021 stainless steel and the bottom bar is EN 1.4419 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 17 | |
| 11 to 17 |
| Fatigue Strength, MPa | 240 to 380 | |
| 230 to 680 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Shear Strength, MPa | 390 to 530 | |
| 410 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 880 | |
| 660 to 1590 |
| Tensile Strength: Yield (Proof), MPa | 390 to 670 | |
| 370 to 1240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 790 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 30 | |
| 30 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.8 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 3.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 8.0 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 2.2 |
| Embodied Energy, MJ/kg | 27 | |
| 30 |
| Embodied Water, L/kg | 100 | |
| 110 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 16 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 110 | |
| 95 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 to 1160 | |
| 350 to 3920 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 23 to 31 | |
| 24 to 57 |
| Strength to Weight: Bending, points | 21 to 26 | |
| 22 to 39 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 8.1 |
| Thermal Shock Resistance, points | 22 to 31 | |
| 23 to 55 |
Alloy Composition
| Carbon (C), % | 0.16 to 0.25 | |
| 0.36 to 0.42 |
| Chromium (Cr), % | 12 to 14 | |
| 13 to 14.5 |
| Iron (Fe), % | 83.2 to 87.8 | |
| 82 to 86 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0.6 to 1.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |