Nickel 684 vs. Nickel 201
Both nickel 684 and nickel 201 are nickel alloys. They have 54% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is nickel 684 and the bottom bar is nickel 201.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 180 |
| Elongation at Break, % | 11 | |
| 4.5 to 45 |
| Fatigue Strength, MPa | 390 | |
| 42 to 210 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 76 | |
| 70 |
| Shear Strength, MPa | 710 | |
| 270 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 390 to 660 |
| Tensile Strength: Yield (Proof), MPa | 800 | |
| 80 to 510 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 900 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1450 |
| Melting Onset (Solidus), °C | 1320 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 65 |
| Density, g/cm3 | 8.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 11 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 360 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 25 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1610 | |
| 17 to 720 |
| Stiffness to Weight: Axial, points | 13 | |
| 11 |
| Stiffness to Weight: Bending, points | 23 | |
| 21 |
| Strength to Weight: Axial, points | 40 | |
| 12 to 20 |
| Strength to Weight: Bending, points | 30 | |
| 13 to 19 |
| Thermal Shock Resistance, points | 34 | |
| 11 to 19 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 to 0.020 |
| Chromium (Cr), % | 15 to 20 | |
| 0 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 4.0 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 42.7 to 64 | |
| 99 to 100 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.010 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |