Nickel 690 vs. S20910 Stainless Steel
Nickel 690 belongs to the nickel alloys classification, while S20910 stainless steel belongs to the iron alloys. They have 44% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is nickel 690 and the bottom bar is S20910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 90 | |
| 230 to 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 3.4 to 34 | |
| 14 to 39 |
| Fatigue Strength, MPa | 180 to 300 | |
| 310 to 460 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 79 | |
| 79 |
| Shear Strength, MPa | 420 to 570 | |
| 500 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 780 to 940 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 430 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 1080 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1420 |
| Melting Onset (Solidus), °C | 1340 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 14 | |
| 13 |
| Thermal Expansion, µm/m-K | 14 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 22 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 4.8 |
| Embodied Energy, MJ/kg | 120 | |
| 68 |
| Embodied Water, L/kg | 290 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 120 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 460 to 1640 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 28 to 33 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 3.6 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 17 to 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.060 |
| Chromium (Cr), % | 27 to 31 | |
| 20.5 to 23.5 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 7.0 to 11 | |
| 52.1 to 62.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 4.0 to 6.0 |
| Molybdenum (Mo), % | 0 | |
| 1.5 to 3.0 |
| Nickel (Ni), % | 58 to 66 | |
| 11.5 to 13.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.3 |