Plasma-Spheroidized Niobium Powder for Additive Manufacturing

High-purity Spherical Niobium Powder, commonly known as Niobium Spheres, comes with standard particle size ranges including 15-45 μm and 45-106 μm. Produced via plasma spheroidization, it maintains an extremely low oxygen level and outstanding flowability, making it an ideal raw material for powder metallurgy, metal injection molding, electron beam melting and other additive manufacturing processes, as well as sophisticated biomedical applications.

Princeton Powder is a leading supplier of Plasma-Spheroidized Niobium Powder worldwide. We provide bulk wholesale and custom-sized spherical niobium powder with reliable quality, supporting long-term cooperation for manufacturers engaged in 3D printing, metal injection molding and aerospace production. Niobium powders including Niobium Carbide Powder, Niobium Oxide Nb2O5 Ceramic Powder, and Niobium Nitride NbN Powder are for sale in bulk.

Formula

Niobium Nb

CAS Number

7440-03-1

Purity

99.9% min

Synonyms

Nb spherical particles, niobium Spherical particles, niobium spherical powders, niobium metal spherical powder

Particle Sizes

325 mesh, 15-45 um, 53-106 um or be customized

Appearance

Black grey powder

Melting Point

2468°C

Boiling Point:

4742°C

Apparent Density

>4.5 g/cm3

Tap Density

>5.5 g/cm3

Description of Spherical Niobium Powder

Spherical niobium powder distinguishes itself from other forms of niobium due to its uniform spherical morphology, which not only enhances flowability and packing density in applications such as additive manufacturing and powder metallurgy but also provides a higher specific surface area advantageous for catalytic reactions, enables precise control over purity and particle size distribution critical for uniform alloying processes, improves handling by reducing powder clumping and ensuring consistency in automated manufacturing, and supports a wide range of advanced applications including aerospace, electronics, and energy sectors where its unique physical characteristics contribute to the development of high-performance materials and technologies.

Princeton Powder is a leading supplier of Spherical Nb powder. We specialize in a comprehensive range of spherical powder products and possess extensive expertise in additive manufacturing (3D printing) industry. With our expertise, we are confident in supporting your projects effectively and provide you with reliable solutions.

Spherical Niobium Powder Chemical Composition

Chemical Composition

 by ICP-AES

Wt %

Nb

≥ 99.9

Ta

<0.05

Cu

<0.001

Al

<0.002

W

<0.005

Mn

<0.002

Mo

<0.003

Si

<0.002

Fe

<0.005

Cr

<0.002

Ni

<0.002

Ti

<0.002

Gas Impurities

 

O

≤0.06

N

≤0.003

C

≤0.03

P

<0.002 

Spherical Niobium Powder Particle Size distribution

0-15μm, 15-53μm, 45-105μm, 45-150μm. (Various particle sizes can be customized)

3D Printing Spherical Powder Tantalum Ta

Benefits/Application of Spherical Niobium Powder

Spherical niobium powder finds application in various high-tech industries due to its unique properties.

  • Additive Manufacturing: for 3D printing high-performance parts.
  • Catalysis: as a catalyst or catalyst support.
  • Advanced Ceramics: for sintering and composite materials.
  • Alloys: to enhance properties like strength and corrosion resistance.
  • Superconductors: in applications such as MRI machines and quantum computing.
  • Battery Technology: for improved electrode performance.

Spherical Niobium Powder

Development of niobium powder injection molding: Part I. Feedstock and injection molding

This article details a systematical approach to develop feedstock for powder injection molding of niobium. It has been proven that powder injection molding is a viable forming technique for pure niobium.

FAQ Spherical Niobium Powder Reference

What is Spherical Niobium Powder?

Spherical niobium powder is a high-purity, finely divided form of niobium (Nb) metal with >95% sphericity, optimized for additive manufacturing (AM), thermal spray, and powder metallurgy. It is produced via plasma spheroidization or gas atomization for uniform flowability and packing density.

What Applications Use Spherical Nb Powder?

Additive Manufacturing: LPBF (Laser Powder Bed Fusion), EBM (Electron Beam Melting).

Aerospace: Rocket nozzles, superconducting cavities.

Medical: MRI-compatible implants.

Energy: Superconductor wires, nuclear reactors.

What particle sizes of spherical niobium powder do you provide?

We supply standard sizes 15-45μm, 45-106μm, 0-15μm, 45-150μm and 325 mesh. Custom particle size distribution is available for EBM and industrial additive manufacturing.

How is your spherical niobium powder produced?

Our niobium spherical powder is manufactured by plasma spheroidization technology, featuring high sphericity, uniform particle size, low oxygen content and great flowability for 3D printing EBM process.

What is the purity and oxygen content of your niobium powder?

Spherical niobium powder purity ≥99.9%, oxygen ≤0.06%, nitrogen ≤0.003%, carbon ≤0.03%. Strict impurity control meets aerospace and medical grade requirements.