Umugozi wa Niobium urakonje ukorwa kuva ingots kugeza diameter yanyuma. Igikorwa gisanzwe cyo gukora ni uguhimba, kuzunguruka, kuzunguruka, no gushushanya.
Icyiciro: RO4200-1, RO4210-2S
Bisanzwe: ASTM B392-98
Ingano isanzwe: Diameter 0,25 ~ 3 mm
Isuku: Nb> 99,9% cyangwa> 99,95%
urugero rwagutse: ASTM B392
gushonga: 2468 dogere centigrade