S20910 Stainless Steel vs. ASTM Grade HN Steel
Both S20910 stainless steel and ASTM grade HN steel are iron alloys. They have 87% of their average alloy composition in common. There are 26 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 ASTM grade HN steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 to 290 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 14 to 39 | |
| 9.0 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 310 |
| Maximum Temperature: Corrosion, °C | 460 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 1080 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1400 |
| Melting Onset (Solidus), °C | 1380 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 13 | |
| 13 |
| Thermal Expansion, µm/m-K | 16 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 26 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 4.6 |
| Embodied Energy, MJ/kg | 68 | |
| 66 |
| Embodied Water, L/kg | 180 | |
| 180 |
Common Calculations
| PREN (Pitting Resistance) | 34 | |
| 22 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 17 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 18 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 3.5 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 11 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0.2 to 0.5 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 19 to 23 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 44.9 to 57.8 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 23 to 27 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.040 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |