The melting point of niobium is 2468 Dc, and the density of it is 8.6 g/cm3. With the characteristics of corrosion resistance, high temperature resistance and malleability, niobium is widely used in electronics industry, steel industry, chemical industry, optics, gemstone manufacturing, superconducting technology, aerospace. technology and other fields. Niobium sheet and tube/pipe is the most common form of Nb product.