S17400 Stainless Steel vs. AISI 317 Stainless Steel
Both S17400 stainless steel and AISI 317 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 S17400 stainless steel and the bottom bar is AISI 317 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 440 | |
| 170 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 21 | |
| 35 to 55 |
| Fatigue Strength, MPa | 380 to 670 | |
| 250 to 330 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 79 |
| Shear Strength, MPa | 570 to 830 | |
| 420 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 580 to 710 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 590 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1400 |
| Melting Onset (Solidus), °C | 1400 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 17 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 21 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 4.3 |
| Embodied Energy, MJ/kg | 39 | |
| 59 |
| Embodied Water, L/kg | 130 | |
| 160 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 31 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 210 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 150 to 430 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 4.1 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 12 to 15 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.080 |
| Chromium (Cr), % | 15 to 17 | |
| 18 to 20 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 58 to 68 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 4.0 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 11 to 15 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |