EN 1.4057 Stainless Steel vs. SAE-AISI 12L14 Steel
Both EN 1.4057 stainless steel and SAE-AISI 12L14 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 SAE-AISI 12L14 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 11 to 25 |
| Fatigue Strength, MPa | 320 to 430 | |
| 190 to 290 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 520 to 580 | |
| 280 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 840 to 980 | |
| 440 to 620 |
| Tensile Strength: Yield (Proof), MPa | 530 to 790 | |
| 260 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 25 | |
| 51 |
| Thermal Expansion, µm/m-K | 10 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 1.8 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.4 |
| Embodied Energy, MJ/kg | 32 | |
| 18 |
| Embodied Water, L/kg | 120 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 96 to 130 | |
| 64 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 700 to 1610 | |
| 180 to 560 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 15 to 22 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 16 to 20 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 14 |
| Thermal Shock Resistance, points | 30 to 35 | |
| 14 to 20 |
Alloy Composition
| Carbon (C), % | 0.12 to 0.22 | |
| 0 to 0.15 |
| Chromium (Cr), % | 15 to 17 | |
| 0 |
| Iron (Fe), % | 77.7 to 83.4 | |
| 97.9 to 98.7 |
| Lead (Pb), % | 0 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.85 to 1.2 |
| Nickel (Ni), % | 1.5 to 2.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0.040 to 0.090 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0.26 to 0.35 |