SAE-AISI D3 Steel vs. EN 1.4031 Stainless Steel
Both SAE-AISI D3 steel and EN 1.4031 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 29 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 SAE-AISI D3 steel and the bottom bar is EN 1.4031 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 9.8 to 15 | |
| 11 to 13 |
| Fatigue Strength, MPa | 310 to 940 | |
| 220 to 400 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 74 | |
| 76 |
| Shear Strength, MPa | 470 to 1220 | |
| 400 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 2050 | |
| 670 to 900 |
| Tensile Strength: Yield (Proof), MPa | 480 to 1550 | |
| 390 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1440 |
| Melting Onset (Solidus), °C | 1390 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 31 | |
| 30 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 3.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 7.0 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.9 |
| Embodied Energy, MJ/kg | 48 | |
| 27 |
| Embodied Water, L/kg | 100 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 14 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 97 to 180 | |
| 77 to 94 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 74 | |
| 24 to 32 |
| Strength to Weight: Bending, points | 24 to 47 | |
| 22 to 27 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 8.1 |
| Thermal Shock Resistance, points | 23 to 63 | |
| 23 to 32 |
Alloy Composition
| Carbon (C), % | 2.0 to 2.4 | |
| 0.36 to 0.42 |
| Chromium (Cr), % | 11 to 13.5 | |
| 12.5 to 14.5 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 80.3 to 87 | |
| 83 to 87.1 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 to 1.0 | |
| 0 |
| Vanadium (V), % | 0 to 1.0 | |
| 0 |