Specification:Φ1.0~80X 0.2~5.0X500~5000mm1.purity99.95% 99.99% 2.Brand:Nb1,Nb23.Standard:GB/T8183,GB/T14842,ASTMB348,ASTMB392 4.All the products can be supplied in according to customer's requirementNiobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.