Ingoa hua: niobium ingot/poraka
Rauemi: RO4200-1, RO4210-2
Maamaa: >=99.9%, 99.95% ranei
Rahi: rite hiahia
Kiato: 8.57 g/cm3
Ira Whakarewa:2468°C
Ira Kohua: 4742°C
Hangarau: Ilectron Beam umu ingot