Nickel 685 vs. AISI 416 Stainless Steel
Nickel 685 belongs to the nickel alloys classification, while AISI 416 stainless steel belongs to the iron alloys. 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 685 and the bottom bar is AISI 416 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 350 | |
| 230 to 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 17 | |
| 13 to 31 |
| Fatigue Strength, MPa | 470 | |
| 230 to 340 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 76 |
| Shear Strength, MPa | 770 | |
| 340 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 1250 | |
| 510 to 800 |
| Tensile Strength: Yield (Proof), MPa | 850 | |
| 290 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 680 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1530 |
| Melting Onset (Solidus), °C | 1330 | |
| 1480 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 480 |
| Thermal Conductivity, W/m-K | 13 | |
| 30 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 7.0 |
| Density, g/cm3 | 8.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.9 |
| Embodied Energy, MJ/kg | 140 | |
| 27 |
| Embodied Water, L/kg | 340 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
| 98 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1820 | |
| 220 to 940 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 42 | |
| 18 to 29 |
| Strength to Weight: Bending, points | 31 | |
| 18 to 25 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 8.1 |
| Thermal Shock Resistance, points | 37 | |
| 19 to 30 |
Alloy Composition
| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0.030 to 0.1 | |
| 0 to 0.15 |
| Chromium (Cr), % | 18 to 21 | |
| 12 to 14 |
| Cobalt (Co), % | 12 to 15 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 |
| Iron (Fe), % | 0 to 2.0 | |
| 83.2 to 87.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.3 |
| Molybdenum (Mo), % | 3.5 to 5.0 | |
| 0 |
| Nickel (Ni), % | 49.6 to 62.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0.15 to 0.35 |
| Titanium (Ti), % | 2.8 to 3.3 | |
| 0 |
| Zinc (Zn), % | 0.020 to 0.12 | |
| 0 |