Nickel 684 vs. AISI W5 Steel
Nickel 684 belongs to the nickel alloys classification, while AISI W5 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is nickel 684 and the bottom bar is AISI W5 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 76 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 1190 | |
| 600 to 2360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 250 |
| Melting Completion (Liquidus), °C | 1370 | |
| 1450 |
| Melting Onset (Solidus), °C | 1320 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Expansion, µm/m-K | 13 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 2.3 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 1.6 |
| Embodied Energy, MJ/kg | 140 | |
| 21 |
| Embodied Water, L/kg | 360 | |
| 48 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 40 | |
| 21 to 84 |
| Strength to Weight: Bending, points | 30 | |
| 20 to 50 |
| Thermal Shock Resistance, points | 34 | |
| 20 to 78 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.3 | |
| 0 |
| Boron (B), % | 0.0030 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 1.1 to 1.2 |
| Chromium (Cr), % | 15 to 20 | |
| 0.4 to 0.6 |
| Cobalt (Co), % | 13 to 20 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 4.0 | |
| 96.6 to 98.4 |
| Manganese (Mn), % | 0 to 0.75 | |
| 0.1 to 0.4 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 42.7 to 64 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.75 | |
| 0.1 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.030 |
| Titanium (Ti), % | 2.5 to 3.3 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 0.15 |
| Vanadium (V), % | 0 | |
| 0 to 0.1 |