Ferro niobium (FeNb65, DIN 17569 reference) for micro-alloying of HSLA, pipeline and automotive steels. Refines grain and raises strength and weldability at very low addition rates.
| Nb | 63-68% |
| Al | ≤ 2.0% |
| Si | ≤ 2.0% |
| C | ≤ 0.15% |
| P | ≤ 0.15% |
| S | ≤ 0.05% |
| Ta | ≤ 0.50% |
| 尺寸 | 10-50mm |
