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Characteristics
Niobium is a gray metal, melting point 2468℃, boiling point 4742℃, density. Niobium is stable in air at room temperature, and is not completely oxidized in oxygen at red heat. It is directly combined with sulfur, nitrogen and carbon at high temperature, and can form alloys with titanium, zirconium, hafnium and tungsten. Does not interact with inorganic acids or bases, and is insoluble in aqua regia, but soluble in hydrofluoric acid.
Application field
Mainly used in superconducting materials, the production of nickel, cobalt and iron based superalloys.
Specifications
0-20μm, 15-45μm, 15-53μm, 53-105μm, 53-150μm, 105-250μm





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