S20910 Stainless Steel vs. S17400 Stainless Steel
Both S20910 stainless steel and S17400 stainless steel are iron alloys. They have 78% 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 S20910 stainless steel and the bottom bar is S17400 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 280 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 39 | |
| 11 to 21 |
| Fatigue Strength, MPa | 310 to 460 | |
| 380 to 670 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Reduction in Area, % | 56 to 62 | |
| 40 to 62 |
| Shear Modulus, GPa | 79 | |
| 75 |
| Shear Strength, MPa | 500 to 570 | |
| 570 to 830 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 910 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 580 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 460 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 850 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1440 |
| Melting Onset (Solidus), °C | 1380 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 13 | |
| 17 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 14 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 68 | |
| 39 |
| Embodied Water, L/kg | 180 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 16 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 880 to 4060 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 32 to 49 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 27 to 35 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 4.5 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 30 to 46 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.070 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 15 to 17 |
| Copper (Cu), % | 0 | |
| 3.0 to 5.0 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 70.4 to 78.9 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0.15 to 0.45 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |