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Niobium - Tungsten Alloys

Description

Niobium is one of the most promising refractory metals for ultra-high temperature structural applications, because of its very high melting temperature. Alloying element tungsten, which is a group VIA element, and which goes into solid solution with niobium, is the most effective in imparting high temperature strength. Especially, Nb521 (Nb-5W-2Mo-1Zr) contains many kinds of carbide reinforcing phase, the aggregation and length of reinforcing phase reduce the high temperature strength of the material. It has excellent room temperature plastic deformation capacity and can be formed at room temperature for more complex workpiece. In addition, it has good mechanical properties at room temperature and can meet the requirements of engine use in 1550℃.

Alfa Chemistry provides high-quality niobium-tungsten alloys at a competitive price. Niobium-tungsten alloys we can supply are in the shapes of in the shapes of rod and plate. We can also customize various shapes of niobium-tungsten products according to your requirements or drawings.

General Properties

Chemical Component

* Unit: %, max

Niobium – Tungsten Products

• Niobium – Tungsten Rod

Nb521 rod has a melting point close to about 2600°C, and its tensile strength ranges from 420MPa to 480MPa in the M state and 650Mpa to 760Mpa in the Y state. It is mainly used for aerospace engine nozzles.

• Niobium – Tungsten Plate

Nb521 plate has good plasticity, so it is suitable for forming parts by plastic processing such as spinning. It can be used on the parts of engines.