... their metals, Such as plate, sheet, foil, tube/pipe, wire, rod/bar, flanges, standard parts, crucible, target. We can also supply tungsten, molybdenum, zirconium, titanium and other ... steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology. Niobium rod/barMaterial: RO4200-1, RO4210-2ASize: Dia3~100mmStandard: ASTM B392-98Purity ...