AISI 403 Stainless Steel vs. S17400 Stainless Steel
Both AISI 403 stainless steel and S17400 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 34 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 AISI 403 stainless steel and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 240 | |
| 280 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 25 | |
| 11 to 21 |
| Fatigue Strength, MPa | 200 to 340 | |
| 380 to 670 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Reduction in Area, % | 47 to 50 | |
| 40 to 62 |
| Shear Modulus, GPa | 76 | |
| 75 |
| Shear Strength, MPa | 340 to 480 | |
| 570 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 530 to 780 | |
| 910 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 280 to 570 | |
| 580 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 850 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1440 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 28 | |
| 17 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 6.5 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 2.7 |
| Embodied Energy, MJ/kg | 27 | |
| 39 |
| Embodied Water, L/kg | 99 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 12 | |
| 16 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 840 | |
| 880 to 4060 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 28 | |
| 32 to 49 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 27 to 35 |
| Thermal Diffusivity, mm2/s | 7.6 | |
| 4.5 |
| Thermal Shock Resistance, points | 20 to 29 | |
| 30 to 46 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.070 |
| Chromium (Cr), % | 11.5 to 13 | |
| 15 to 17 |
| Copper (Cu), % | 0 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 84.7 to 88.5 | |
| 70.4 to 78.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.6 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |