S17400 Stainless Steel vs. SAE-AISI D2 Steel
Both S17400 stainless steel and SAE-AISI D2 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is S17400 stainless steel and the bottom bar is SAE-AISI D2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 5.0 to 16 |
| Fatigue Strength, MPa | 380 to 670 | |
| 310 to 860 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 75 |
| Shear Strength, MPa | 570 to 830 | |
| 460 to 1160 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 760 to 2000 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 470 to 1510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 31 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 4.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 5.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 8.0 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.4 |
| Embodied Energy, MJ/kg | 39 | |
| 50 |
| Embodied Water, L/kg | 130 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 92 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 570 to 5940 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 27 to 72 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 24 to 46 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 8.3 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 25 to 67 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 1.4 to 1.6 |
| Chromium (Cr), % | 15 to 17 | |
| 11 to 13 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 to 0.25 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 81.3 to 86.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.7 to 1.2 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0 to 0.3 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0 to 1.1 |