S17400 Stainless Steel vs. EN 1.4525 Stainless Steel
Both S17400 stainless steel and EN 1.4525 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.4525 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 to 21 | |
| 5.6 to 13 |
| Fatigue Strength, MPa | 380 to 670 | |
| 480 to 540 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1390 | |
| 1030 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1250 | |
| 840 to 1120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 430 |
| Maximum Temperature: Mechanical, °C | 850 | |
| 860 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1430 |
| Melting Onset (Solidus), °C | 1400 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 17 | |
| 18 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 13 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 39 | |
| 39 |
| Embodied Water, L/kg | 130 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 16 | |
| 18 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 68 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 880 to 4060 | |
| 1820 to 3230 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 49 | |
| 36 to 45 |
| Strength to Weight: Bending, points | 27 to 35 | |
| 29 to 33 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 4.7 |
| Thermal Shock Resistance, points | 30 to 46 | |
| 34 to 41 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.070 |
| Chromium (Cr), % | 15 to 17 | |
| 15 to 17 |
| Copper (Cu), % | 3.0 to 5.0 | |
| 2.5 to 4.0 |
| Iron (Fe), % | 70.4 to 78.9 | |
| 70.4 to 79 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.8 |
| Nickel (Ni), % | 3.0 to 5.0 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0.15 to 0.45 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |