Grade 364 Molybdenum vs. Nickel 685
Grade 364 molybdenum belongs to the otherwise unclassified metals classification, while nickel 685 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 364 molybdenum and the bottom bar is nickel 685.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 310 | |
| 200 |
| Elongation at Break, % | 6.2 to 11 | |
| 17 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 120 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 720 | |
| 1250 |
| Tensile Strength: Yield (Proof), MPa | 350 to 620 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 320 |
| Specific Heat Capacity, J/kg-K | 250 | |
| 460 |
| Thermal Expansion, µm/m-K | 7.0 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 10 |
| Embodied Energy, MJ/kg | 330 | |
| 140 |
| Embodied Water, L/kg | 360 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 57 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 630 | |
| 1820 |
| Stiffness to Weight: Axial, points | 17 | |
| 13 |
| Stiffness to Weight: Bending, points | 22 | |
| 23 |
| Strength to Weight: Axial, points | 16 to 20 | |
| 42 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 31 |
| Thermal Shock Resistance, points | 19 to 24 | |
| 37 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0.010 to 0.040 | |
| 0.030 to 0.1 |
| Chromium (Cr), % | 0 | |
| 18 to 21 |
| Cobalt (Co), % | 0 | |
| 12 to 15 |
| Copper (Cu), % | 0 | |
| 0 to 0.5 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 99.2 to 99.5 | |
| 3.5 to 5.0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 49.6 to 62.5 |
| Nitrogen (N), % | 0 to 0.0020 | |
| 0 |
| Oxygen (O), % | 0 to 0.030 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.4 to 0.55 | |
| 2.8 to 3.3 |
| Zinc (Zn), % | 0 | |
| 0.020 to 0.12 |
| Zirconium (Zr), % | 0.060 to 0.12 | |
| 0 |