Symbol: Nb
Atomic number: 41
Atomic weight: 92.90637
Melting point: 2468℃
Element category: transition metal

Niobium, formerly columbium, is gray like other metals and takes on a bluish tinge when exposed to air at room temperatures for a long time. It resembles the element tantalum and performs resistance against many chemicals. Niobium has a high ductility at room temperature.

Niobium is used mostly as an alloying agent to produce high-temperature-resistant alloys or special steel. Superalloys containing niobium are widely used winning various superconducting materials. High level of biocompatibility makes niobium has good use in surgery.

Niobium Tube and Niobium Pipe are in gray metal color with high strength and conductivity. Niobium Tubes/Pipes are used in steel, ceramics, electronics, nuclear energy, and superconductors.

Niobium and niobium alloy pipe with high melting point, corrosion resistance, good cold working performance and other characteristics, widely used in the chemical industry, electronics industry, aviation and aerospace industry, mainly used in the production of high-pressure sodium lamps, structural materials for aviation and aerospace engines, chemical process reaction vessels, heat exchanger tubes, reactor internal components and cladding materials. Adding zirconium to niobium can significantly improve the oxidation resistance and strength of the material. At present, niobium zirconium alloy is manufactured into capillaries for sodium lamp manufacturing.

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