Description
Physical properties:
high temperature resistance, good corrosion resistance.
Product specifications:
natural blocks ≤50×50mm.
Packing:
Packed in outer iron drum, 50 kg drum.
Chemical composition: implement Q/DFT005-2001 standard (impurity content ≤%)
| Impurity element | Nb63Ni-A | Nb63Ni-B | Nb56Ni-A | Nb56Ni-B |
| Nb | ≥63.0 | ≥61.0 | ≥56.0 | ≥54.0 |
| O | 0.1 | 0.2 | 0.1 | 0.2 |
| C | 0.05 | 0.1 | 0.05 | 0.1 |
| N | 0.05 | 0.08 | 0.05 | 0.08 |
| H | – | – | – | – |
| Fe | 0.5 | 0.5 | 0.5 | 0.5 |
| Ni | balance | balance | balance | balance |
| Cr | – | – | – | – |
| Si | 0.25 | 0.3 | 0.25 | 0.3 |
| Pb | 0.005 | 0.01 | 0.005 | 0.01 |
| Ta | 0.2 | 0.2 | 0.2 | 0.2 |
| Cu | – | ― | – | – |
| W | – | ― | – | – |
| Mo | – | ― | – | – |
| Ti | 0.1 | 0.1 | 0.1 | 0.1 |
| Zr | – | ― | – | – |
| Sn | 0.005 | 0.02 | 0.005 | 0.02 |
| S | 0.01 | 0.02 | 0.01 | 0.02 |
| Al | 1.5 | 2 | 1.5 | 2 |
| P | 0.01 | 0.03 | 0.01 | 0.03 |
