Niobium · (Fe,Mn)Nb₂O₆
Columbite
Columbite and columbite-bearing concentrates for high-strength steel and specialist alloys.
Specifications
| Specification | Preliminary reference range |
|---|---|
| Primary content (Columbite) | 70–95% |
| Niobium pentoxide (Nb₂O₅) | 30–60% |
| Tantalum pentoxide (Ta₂O₅) | 1–20% |
| Moisture (H₂O) | 0–5% |
| Iron oxide (Fe₂O₃) | 5–20% |
| Manganese oxide (MnO) | 5–25% |
| Silicon dioxide (SiO₂) | 1–10% |
| Titanium dioxide (TiO₂) | 0–10% |
| Tin oxide (SnO₂) | 0–5% |
These are preliminary reference ranges, not guaranteed values. Actual grade, moisture and impurity levels are confirmed by laboratory analysis for each lot.
Applications
Steel alloys, Superalloys, Electronics
Product forms
Concentrate
Packaging
To be confirmed
Delivery & logistics
Discussed per inquiry