Grade 365 Molybdenum vs. Grade 366 Molybdenum
Both grade 365 molybdenum and grade 366 molybdenum are otherwise unclassified metals. Both are furnished in the stress relieved condition. They have 70% of their average alloy composition in common.
For each property being compared, the top bar is grade 365 molybdenum and the bottom bar is grade 366 molybdenum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 310 | |
| 300 |
| Elongation at Break, % | 6.3 | |
| 2.2 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Shear Modulus, GPa | 120 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 620 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 530 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 310 |
| Specific Heat Capacity, J/kg-K | 250 | |
| 210 |
| Thermal Expansion, µm/m-K | 7.0 | |
| 7.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 12 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 27 |
| Embodied Energy, MJ/kg | 330 | |
| 340 |
| Embodied Water, L/kg | 360 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 | |
| 12 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 | |
| 370 |
| Stiffness to Weight: Axial, points | 17 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 18 |
| Strength to Weight: Axial, points | 17 | |
| 13 |
| Strength to Weight: Bending, points | 16 | |
| 13 |
| Thermal Shock Resistance, points | 21 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 99.9 to 100 | |
| 66.9 to 73 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 to 0.0020 |
| Nitrogen (N), % | 0 to 0.0020 | |
| 0 to 0.0020 |
| Oxygen (O), % | 0 to 0.0015 | |
| 0 to 0.0025 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 27 to 33 |