S20910 Stainless Steel vs. EN 1.4945 Stainless Steel
Both S20910 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 S20910 stainless steel and the bottom bar is EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 200 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 39 | |
| 19 to 34 |
| Fatigue Strength, MPa | 310 to 460 | |
| 230 to 350 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 77 |
| Shear Strength, MPa | 500 to 570 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 640 to 740 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 290 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 460 | |
| 520 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 920 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1490 |
| Melting Onset (Solidus), °C | 1380 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 13 | |
| 14 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 30 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 68 | |
| 73 |
| Embodied Water, L/kg | 180 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 23 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 130 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 210 to 760 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 3.7 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 14 to 16 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0.040 to 0.1 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 15.5 to 17.5 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 57.9 to 65.7 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 15.5 to 17.5 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0.4 to 1.2 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0.060 to 0.14 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.75 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.5 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |