Niobium target

niobium targetCommodity Niobium target StandardASTM B393-89 Dimension Φ(25-400)mm*(3-28)mm Material RO4200-1, RO4210-2 shape Circular size Diameter 25mm up to 400mm x Thickness 3mm up to 28mm rectangular targetsThickness 1mm up to 12.7mm x Width up to 600mm x Length up to 2000mm Purity >=99.9% or 99.95% Table 1 technology parameter Recrystallization 95%min Grain size ASTM 4 or finer Surface finish 16Rms max. or Ra 0.4 ( RMS64 or better) Flatness 0.1mm or 0.15% max Tolerance +/-0.010" on all dimensions Purity 99.99% Table2 Chemical composition Chemistry PPM Designation Chief component Impurities maxmium Nb Ta Si Ni W Mo Ti Fe O C H N Nb1 Remainder 700 50 50 50 30 20 50 150 40 15 30 Nb2 Remainder 1000 80 40 100 100 40 80 180 60 15 50 WE CAN PROVIDE ALL KINDS OF NIOBIUM PRODUCT,WELCOME TO CONTACT WITH US our commitment to quality is in everything we do,from the materails we use to our manufacturing process