The physical, mechanical and chemical properties of molybdenum make it useful in many applications where high melting points are required. Molybdenum exhibits good strength at elevated temperatures making it useful in furnace, aerospace, and similar applications.
Listed below are some of the properties that make molybdenum a critical material in high temperature applications.
| TYPICAL PHYSICAL PROPERTIES | ||
| Density | g/cm3 | 10.22 |
| Melting Point | °F | 4748 |
| °C | 2620 | |
| Specific Electrical Resistivity | (Ω mm2)/m | 0.056 |
| Specific Heat @20°C | J/(gK) | 0.254 |
| *Recrystallization Temp | °C | 1100 |
| Thermal Conductivity @20°C | W/(m-K) | 142 |
| Coefficient of Linear Thermal Expansion @20°C | m/(m-K) | 5.2 x 10 -6 |
| *Temp C for 100% recrystallization. One hour annealing time. Deformation level + 90%. Source: Plansee | ||
| TYPICAL MECHANICAL PROPERTIES | |||
| Stress Relieved | Recrystallized | ||
| *Tensile Strength Rm | MPa- 20 °C | 800 | 500 |
| MPa- 1000 °C | 230 | 150 | |
| MPa- 1400°C | 60 | 60 | |
| *Elongation | % 20 °C | 20 | 50 |
| % 1000 °C | 10 | 40 | |
| % 1400 °C | 40 | 40 | |
| Typical Hardness | HV10 | >220 | 160 - 180 |
| Modulus of Elasticity | |||
| @20°C | GPa | 320 | |
| @2000°C | GPa | 160 | |
| *2mm sheet, longitudinal direction. Source: www.plansee.com | |||
| CHEMISTRY | |
| Minimum % | 99.97 Molybdenum (Mo) |
| SPECIFICATIONS | ||
| AMS 7800 | ASTM: B386 Type 361 (Pure Moly Sheet and Plate) | ASTM: B387 Type 361 (Pure Moly Round Bar) |