99.9% niobium sheet
- standard:ASTM B393-98
- Size: Thk:0.1-10mm,W:1200mm(max),L:1500mm(max)
- purity:99.9-99.95%
Table.1 :Chemical composition:
| Chemistry PPM |
| Designation | Chief component | Impurities maxmium |
| Nb | Ta | Si | Ni | W | Mo | Ti | Fe | O | C | H | N |
| Nb1 | Remainder | 700 | 50 | 50 | 50 | 30 | 20 | 50 | 150 | 40 | 15 | 30 |
| Nb2 | Remainder | 1000 | 80 | 40 | 100 | 100 | 40 | 80 | 180 | 60 | 15 | 50 |
Table 2. Mechanical requirements (annealed condition)
| Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ |
| RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 |
Special requirements to be agreed on by the supplier and buyer of negotiations
- Applications:it's widely used for steel, ceramics, electronics, nuclear energy industries and superconductor technology.
