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Niobium Rod

Niobium Rod


Niobium rod, also known as niobium bar, is machined from niobium ingot to the final dimensions. Forging, rolling, swaging and drawing are used in single or in combination to reach the desired size. Niobium rod is generally coated with a forged surface or a swaged or drawn finish. If requested, annealed niobium rod is also available for customers. It is widely used in chemistry, electronics, aviation and aerospace industry.


Featuring high ductility, superconductivity, high melting point, excellent anti-corrosion property and workability in cold environment, niobium rod can be utilized as nozzles and structural parts for airplane engines, inside elements and protection material for nuclear reactor, anti-corrosion parts under strong acid or environment. Besides, the hardness and antioxidant properties of niobium rod can be greatly improved by adding zirconium in niobium.


Commodity Niobium rod
Standard ASTM B392-98
Dimension ¢4-¢100 mm
Material RO4200-1, RO4210-2
Purity ≥99.9%

Mechanical Requirements (Annealed Condition)

Grade Tensile strength δbpsi (MPa), ≥ Yield strength δ0.2, psi (MPa), ≥ Elongation in 1"/2" gage length, %, ≥
RO4200-1 RO4210-2 18000 (125) 12000 (85) 25

Chemical Composition of Niobium Rod

Chemistry PPM
Designation Chief component Impurities maximum
Nb Ta Si Ni W Mo Ti Fe O C H N
Nb1 Remainder 700 50 50 50 30 20 50 150 40 15 30
Nb2 Remainder 1000 80 40 100 100 40 80 180 60 15 50

Package and Transportation

We pack niobium rod in plywood case and send them by ocean or air.
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