... grades of their metals, Such as plate, sheet, foil, tube/pipe, wire, rod/bar, flanges, standard parts, crucible, ... titanium and other metal as well as their alloy. Niobium is an associated metal of tantalum ,characterized in high ... steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology. Niobium tubes Niobium alloy tubes :Material: RO4200-1, RO4210-2Size: Diameter: ...