EN 1.4419 Stainless Steel vs. SAE-AISI 1039 Steel
Both EN 1.4419 stainless steel and SAE-AISI 1039 steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4419 stainless steel and the bottom bar is SAE-AISI 1039 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 14 to 18 |
| Fatigue Strength, MPa | 230 to 680 | |
| 230 to 370 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 410 to 950 | |
| 380 to 420 |
| Tensile Strength: Ultimate (UTS), MPa | 660 to 1590 | |
| 610 to 690 |
| Tensile Strength: Yield (Proof), MPa | 370 to 1240 | |
| 340 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 30 | |
| 51 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.8 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 1.8 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.4 |
| Embodied Energy, MJ/kg | 30 | |
| 18 |
| Embodied Water, L/kg | 110 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 170 | |
| 88 to 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 350 to 3920 | |
| 310 to 890 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 24 to 57 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 22 to 39 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 14 |
| Thermal Shock Resistance, points | 23 to 55 | |
| 19 to 22 |
Alloy Composition
| Carbon (C), % | 0.36 to 0.42 | |
| 0.37 to 0.44 |
| Chromium (Cr), % | 13 to 14.5 | |
| 0 |
| Iron (Fe), % | 82 to 86 | |
| 98.5 to 98.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.7 to 1.0 |
| Molybdenum (Mo), % | 0.6 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |