| Product | Niobium Crucible (Nb Crucible) |
| Part Number | TRM-NB022 |
| Material | UNS R04210 |
| Purity | 99.9% or 99.95% |
| Type | Seamless or Welded |
| Density | 8.57 g/cm3 |
| CAS Number | 7440-03-1 |
Niobium crucible has the deformation resistance, and high resistance to the high temperature. Typically, the material is R04210, but higher purity 99.95% is available on request. We can offer various dimensions of the niobium crucibles with lids. Please contact us for more details.
Application: Niobium Crucibles are widely used in the rare earth smelting and chemical corrosion-resistant containers, sputtering and evaporating containers, etc.
Order Information
Please include the following information with your inquires and orders:
1. Quantity
2. Dimensions
3. R04210 Commercial Grade or Purity 99.95%
Assay
| Element | R04200 (Reactor Grade) | R04210 (Commercial Grade) |
|---|---|---|
| O | 0.015% max | 0.025% max |
| C | 0.01% max | 0.01% max |
| N | 0.01% max | 0.01% max |
| H | 0.0015% max | 0.0015% max |
| Zr | 0.02% max | 0.02% max |
| Fe | 0.005% max | 0.01% max |
| Si | 0.005% max | 0.005% max |
| W | 0.03% max | 0.005% max |
| Ni | 0.005% max | 0.0050% max |
| Mo | 0.01% max | 0.02% max |
| Hf | 0.02% max | 0.02% max |
| Ti | 0.02% max | 0.02% max |
| Ta | 0.1% max | 0.3% max |
| Nb | Remainder | Remainder |
Typical Size Available (Please inquire for details)
| Dimensions | |
|---|---|
| Outer Diameter (OD) | -3” or on request/as per drawing |
| Wall Thickness (WT) | 0.2” or on request/as per drawing |
| Height (H) | -5” or on request/as per drawing |
Please refer to Niobium Sheet for the sheet products.
Standard Packing
Wooden Box or Carton Box
| Physical properties | Niobium (Atomic#41) |
|---|---|
| Phase | Solid |
| Melting point | 2750 K (2477°C, 4491°F) |
| Boiling point | 5017 K (4744°C, 8571°F) |
| Heat of fusion | 30 kJ/mol |
| Heat of vaporization | 689.9 kJ/mol |
| Molar heat capacity | 24.60 J/(mol•K) |
