Nickel 686 vs. AISI 301LN Stainless Steel
Nickel 686 belongs to the nickel alloys classification, while AISI 301LN stainless steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 nickel 686 and the bottom bar is AISI 301LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 220 | |
| 200 |
| Elongation at Break, % | 51 | |
| 23 to 51 |
| Fatigue Strength, MPa | 410 | |
| 270 to 520 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 560 | |
| 450 to 670 |
| Tensile Strength: Ultimate (UTS), MPa | 780 | |
| 630 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 270 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 890 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1430 |
| Melting Onset (Solidus), °C | 1340 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 480 |
| Thermal Conductivity, W/m-K | 9.8 | |
| 15 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 13 |
| Density, g/cm3 | 9.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 12 | |
| 2.7 |
| Embodied Energy, MJ/kg | 170 | |
| 39 |
| Embodied Water, L/kg | 300 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 320 | |
| 220 to 290 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 | |
| 180 to 1520 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 22 to 38 |
| Strength to Weight: Bending, points | 21 | |
| 21 to 30 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 4.0 |
| Thermal Shock Resistance, points | 21 | |
| 14 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.030 |
| Chromium (Cr), % | 19 to 23 | |
| 16 to 18 |
| Iron (Fe), % | 0 to 5.0 | |
| 70.7 to 77.9 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 15 to 17 | |
| 0 |
| Nickel (Ni), % | 49.5 to 63 | |
| 6.0 to 8.0 |
| Nitrogen (N), % | 0 | |
| 0.070 to 0.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.080 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.020 to 0.25 | |
| 0 |
| Tungsten (W), % | 3.0 to 4.4 | |
| 0 |