S20910 Stainless Steel vs. EN 1.7725 Steel
Both S20910 stainless steel and EN 1.7725 steel are iron alloys. They have 60% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.7725 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 250 to 300 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 39 | |
| 14 |
| Fatigue Strength, MPa | 310 to 460 | |
| 390 to 550 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 830 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 610 to 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 440 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1460 |
| Melting Onset (Solidus), °C | 1380 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 13 | |
| 39 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 2.9 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 68 | |
| 24 |
| Embodied Water, L/kg | 180 | |
| 54 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 2.8 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 110 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 980 to 1940 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 29 to 35 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 25 to 28 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 11 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 24 to 29 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0.27 to 0.34 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 1.3 to 1.7 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 95.7 to 97.5 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0.6 to 1.0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0.050 to 0.15 |