S17400 Stainless Steel vs. EN 1.4122 Stainless Steel
Both S17400 stainless steel and EN 1.4122 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 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 S17400 stainless steel and the bottom bar is EN 1.4122 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 21 | |
| 14 |
| Fatigue Strength, MPa | 380 to 670 | |
| 260 to 360 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 77 |
| Shear Strength, MPa | 570 to 830 | |
| 480 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 790 to 850 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 450 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 870 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 15 |
| Thermal Expansion, µm/m-K | 11 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.4 |
| Embodied Energy, MJ/kg | 39 | |
| 33 |
| Embodied Water, L/kg | 130 | |
| 120 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 93 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 520 to 1000 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 28 to 31 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 25 to 26 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 4.0 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 28 to 30 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.33 to 0.45 |
| Chromium (Cr), % | 15 to 17 | |
| 15.5 to 17.5 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 0 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 77.2 to 83.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.3 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 0 to 1.0 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |