EN 1.4378 Stainless Steel vs. SAE-AISI D3 Steel
Both EN 1.4378 stainless steel and SAE-AISI D3 steel are iron alloys. They have 78% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is SAE-AISI D3 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 34 | |
| 9.8 to 15 |
| Fatigue Strength, MPa | 340 to 550 | |
| 310 to 940 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 74 |
| Shear Strength, MPa | 510 to 680 | |
| 470 to 1220 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
| 770 to 2050 |
| Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
| 480 to 1550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 270 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1430 |
| Melting Onset (Solidus), °C | 1350 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 8.0 |
| Density, g/cm3 | 7.6 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 39 | |
| 48 |
| Embodied Water, L/kg | 150 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 13 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
| 97 to 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 28 to 74 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 24 to 47 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 23 to 63 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 2.0 to 2.4 |
| Chromium (Cr), % | 17 to 19 | |
| 11 to 13.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 61.2 to 69 | |
| 80.3 to 87 |
| Manganese (Mn), % | 11.5 to 14.5 | |
| 0 to 0.6 |
| Nickel (Ni), % | 2.3 to 3.7 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 0 to 1.0 |
| Vanadium (V), % | 0 | |
| 0 to 1.0 |