S20910 Stainless Steel vs. EN 1.6580 Steel
Both S20910 stainless steel and EN 1.6580 steel are iron alloys. They have 62% of their average alloy composition in common. There are 30 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 EN 1.6580 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 220 to 350 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 39 | |
| 11 to 19 |
| Fatigue Strength, MPa | 310 to 460 | |
| 310 to 610 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 73 |
| Shear Strength, MPa | 500 to 570 | |
| 450 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 720 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 460 to 990 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 450 |
| 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 | |
| 40 |
| Thermal Expansion, µm/m-K | 16 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 4.3 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 1.8 |
| Embodied Energy, MJ/kg | 68 | |
| 23 |
| Embodied Water, L/kg | 180 | |
| 59 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 3.3 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 560 to 2590 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 26 to 41 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 23 to 31 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 11 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 21 to 34 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0.26 to 0.34 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 1.8 to 2.2 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 93.7 to 95.5 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0.3 to 0.5 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 1.8 to 2.2 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.035 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |