AISI 403 Stainless Steel vs. EN 1.4021 Stainless Steel
Both AISI 403 stainless steel and EN 1.4021 stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is EN 1.4021 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 25 | |
| 11 to 17 |
| Fatigue Strength, MPa | 200 to 340 | |
| 240 to 380 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Shear Strength, MPa | 340 to 480 | |
| 390 to 530 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 780 | |
| 630 to 880 |
| Tensile Strength: Yield (Proof), MPa | 280 to 570 | |
| 390 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 760 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 28 | |
| 30 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 7.0 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 1.9 |
| Embodied Energy, MJ/kg | 27 | |
| 27 |
| Embodied Water, L/kg | 99 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 12 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 88 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 840 | |
| 400 to 1160 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 28 | |
| 23 to 31 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 21 to 26 |
| Thermal Diffusivity, mm2/s | 7.6 | |
| 8.1 |
| Thermal Shock Resistance, points | 20 to 29 | |
| 22 to 31 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.16 to 0.25 |
| Chromium (Cr), % | 11.5 to 13 | |
| 12 to 14 |
| Iron (Fe), % | 84.7 to 88.5 | |
| 83.2 to 87.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 to 0.6 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |