EN 1.4057 Stainless Steel vs. AISI 303 Stainless Steel
Both EN 1.4057 stainless steel and AISI 303 stainless steel are iron alloys. They have a moderately high 90% 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 EN 1.4057 stainless steel and the bottom bar is AISI 303 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 11 to 17 | |
| 40 to 51 |
| Fatigue Strength, MPa | 320 to 430 | |
| 230 to 360 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 520 to 580 | |
| 430 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 840 to 980 | |
| 600 to 690 |
| Tensile Strength: Yield (Proof), MPa | 530 to 790 | |
| 230 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 930 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1450 |
| Melting Onset (Solidus), °C | 1390 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 25 | |
| 16 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 2.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 15 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 3.0 |
| Embodied Energy, MJ/kg | 32 | |
| 42 |
| Embodied Water, L/kg | 120 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 96 to 130 | |
| 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1610 | |
| 140 to 440 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 4.4 |
| Thermal Shock Resistance, points | 30 to 35 | |
| 13 to 15 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.22 | |
| 0 to 0.15 |
| Chromium (Cr), % | 15 to 17 | |
| 17 to 19 |
| Iron (Fe), % | 77.7 to 83.4 | |
| 67.3 to 74.9 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 1.5 to 2.5 | |
| 8.0 to 10 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0.15 to 0.35 |