Categories By Element
Categories By Function
Maximize | Catalog No. | NB0038 |
|---|---|
| Size | Cylinder Cone and Boat |
| Material | R04200 R04210 |
| Purity | 99.95% |
| CAS Number | 7440-03-1 |
| Density | 8.57 g/cm3 |
| Surface | Polished |
Our high-quality niobium crucible & niobium cup is mainly used in metallurgical industry, chemical industry, machinery processing, glass and ceramic industries. Price competitive!
Niobium Crucible / Cup
Material: RO4200, RO4210
Purity: 99.95%
Table 1. Chemical composition:
Chemical Composition (%) | ||||||||||||
Material | Main elements(%) | Impurities (Maximum %) | ||||||||||
Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
RO4200 | Remainder | 0.004 | 0.004 | 0.002 | 0.005 | 0.005 | 0.002 | 0.07 | 0.015 | 0.0040 | 0.0015 | 0.003 |
RO4210 | Remainder | 0.01 | 0.01 | 0.005 | 0.02 | 0.01 | 0.004 | 0.10 | 0.02 | 0.01 | 0.0015 | 0.01 |
Table 2. Mechanical requirements (annealed condition)
Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ | |
>=0.010 | <0.010 | |||
RO4200, RO4210 | 18000 (125) | 12000 (85) | 25 | 20 |
