spherical W-4Nb powder 15-53µm pic1(1).jpg
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  • spherical W-4Nb powder 15-53µm pic1(1).jpg
  • spherical W-4Nb powder 15-53µm pic2(1).jpg

Spherical W-4Nb Powder 15-53µm


Product Features

Spherical W-4Nb Powder is made by Radio Frequency Plasma Spheroidization atomized method, which has high purity hypoxia, high sphericity, smooth surface, no satellite, uniform particle size distribution, excellent flow performance, and high loose density and vibrational density.
Order(MOQ) : 1 pc
Payment : T/T ; L/C at sight
Product Origin : China
Shipping Port : Foshan / Guangzhou / Shenzhen
Lead Time : 1-7 days

Classification:Metal Powders

Keywords: tantalum powder, tungsten powder


Product details

Stardust company provide W-4Nb powder has outstanding biocompatibility, high specific strength and excellent mechanical properties, and is widely used in biomedical, aerospace, 3C electronics and other fields. Radio-frequency plasma spherical titanium powder have high purity, high sphericity , no satellite spheres,  excellent flow properties, and high bulk density, no hollow particle etc charateristics. Suitable for  3D printing, hot isostatic pressing, ejection molding, and other processes.

We can not only provide relatively mature research on pure W-4Nb spherical powder but also provide 3D printing services, metal spheroidization services, 3D printing machines and devices .


  • Spherical W-4Nb Powder  Particle Size

5-25μm, 15-45μm, 15-53μm, 45-75μm, 45-105μm, 75-150μm.

(Various granularities can be customized according to customer requirements)



  •  Particle Size Distribution Graphic


  • Spherical W-4Nb Powder Characteristics 

High purity (≥99.9%), low oxygen (≤300ppm), high sphericity (≥98%), smooth surface, no satellite spheres, uniform particle size distribution, and excellent flow properties (≤25.0s/50g), And high bulk density (≥2.1g/cm³) and tap density (≥2.8g/cm³).


  • Spherical W-4Nb Powder Applicable Progress
  1. Laser/electron beam additive manufacturing (SLM/EBM, 3D printing)
  2. Laser direct deposition (DLD)
  3. Powder hot isostatic pressing (HIP)
  4. Metal injection molding (MIM)
  5. Powder metallurgy (PM)
  6. Laser cladding ( LC), and other processes.


  • Spherical W-4Nb Powder Packaging

Vacuum packaging, 1kg/bag, 2kg/bag; iron drum lined with plastic bag 25 kg/drum; special packaging is available according to user requirements.


  •  Chemical Composition
Chemical Composition
Element Value (%) Test Method Element Value (%) Test Method
W Bal. Fe <0.01 ICP-AES
Nb 3.67 ICP-AES Co <0.001 ICP-AES
Mn <0.001 ICP-AES Mo <0.001 ICP-AES
Ni <0.01 ICP-AES Other <0.05 -
Gas Impurities
Element Value (%) Test Standard Element Value (%) Test Standard
C 0.5 GB/T 5124.1-2008 O 0.013 GB/T 5124.2-2008
N 0.002 GB/T 4324-2012 H 0.0006 GB/T 5124.2-2008
  • Physical Property
Density (g/cm3)  Hall Flow Rate (s/50g)
Apparent Density Tap Density Test Standard Value Test Standard
9.21 10.43 GB/T 1479-1984
GB/T 5162-2006
6.0 GB/T 1482-2010


  • Appearance


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