Vacuum Coating Molybdenum Crucibles In Metallurgical Industry
Application of Molybdenum Crucibles
1. smelting of rare earth metals
2. heating elements of induction furnace
3. solar energy and sapphire.
Molybdenum CruciblesSize and Tolerance:
Delivery condition |
Size(mm) |
Tolerance(mm) |
||
Diament(mm) |
High(mm) |
Diament(mm) |
High(mm) |
|
Sintering |
10-500 |
10-600 |
±5 |
±5 |
Forging |
10-130 |
10-200 |
±1 |
±2 |
Sintering and Mechining |
10-450 |
10-500 |
±0.5 |
±1 |
Parameters
Atomic number | 42 |
CAS number | 7439-98-7 |
Atomic mass | 95.94 [g/mol] |
Melting point | 2620 °C |
Boiling point | 4639 °C |
Density at 20 °C | 10.22 [g/cm³] |
Crystal structure | Body-centered cubic |
Coefficient of linear thermal expansion at 20 °C | 5.2 × 10-6 [m/(mK)] |
Thermal conductivity at 20 °C | 142 [W/(mK)] |
Specific heat at 20 °C | 0.25 [J/(gK)] |
Electrical conductivity at 20 °C | 17.9 × 106 [S/m] |
Specific electrical resistance at 20 °C | 0.056 [(Ωmm2)/m] |
Features
High melting point
High thermal conductivity
Low vapor pressure
Excellent corrosion resistance against molten metals and glass