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Spherical W-4Nb (Tungsten-4% Niobium) alloy powder is a specialized, high-performance material designed for additive manufacturing (3D printing) of refractory metal components, particularly those requiring extreme temperature resistance, high density, and improved ductility compared to pure tungsten.

Powder Characteristics & Production

Composition: 96% Tungsten (W) and 4% Niobium (Nb).
Manufacturing Method: Typically produced via radio frequency (RF) plasma spheroidization or plasma atomization, which yields high-purity, low-oxygen powder.
Properties: The powder is highly spherical with a smooth surface, minimal satellite particles, excellent flowability, and high bulk/tap density, which is critical for consistent powder bed spreading.
Particle Size Distribution (PSD): Available in various ranges, including 15–53
$mu$
m (common for powder bed fusion), 5-25
$mu$
m (fine), and 45-106
$mu$
m or 53-150
$mu$
m (suited for directed energy deposition).

Technology: Suitable for Laser Powder Bed Fusion (LPBF/SLM) and Electron Beam Melting (EBM).
Uses: Used for creating high-density components in industries needing high-temperature stability, such as aerospace, nuclear energy, and defense.
Advantages: Niobium alloying improves the, low-temperature brittleness often associated with pure tungsten while maintaining a very high melting point.

Tungsten - stardustpowder.com
We can not only provide relatively mature research on metal spheroidization services but also provide 3D printing services , 3D pr...
www.stardustpowder.com
Metal Powders-Product Center-Stardust Technology
* Spherical Pure Nb Powder. 5-25μm. 15-45μm. 15-53μm. 45-106μm. 53-150μm. * Spherical Nb Alloy Powder. * Niobium products. Niobium...
Stardust Technology (Guangdong) Co., Ltd.
High-Quality Spherical Powder - Heeger Materials Inc
We specialize in the production of spherical powders used in additive manufacturing (3D printing), powder metallurgy, injection mo...
Heeger Materials Inc

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Spherical W Alloy Powder

stardustpowder.com

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Missing: ~~4Nb~~ ‎| Show results with: 4Nb

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SAT nano Technology Material Co., Ltd

https://www.satnanomaterial.com › supply-15-45um-sp...

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Spherical Tungsten niobium alloy powder used for 3d printing. Spherical W-4Nb alloy powder is an alloy powder composed of tungsten (W) and niobium (Nb), usually ...Read more

High-Quality Spherical Powder

Heeger Materials Inc

https://heegermaterials.com › Products › Powder

Heeger Materials Inc

https://heegermaterials.com › Products › Powder

We specialize in the production of spherical powders used in additive manufacturing (3D printing), powder metallurgy, injection molding, refractory alloys.Read more

Missing: ~~4Nb~~ ‎| Show results with: 4Nb

Spherical W-Nb Alloy Powder-Product Center ...

Stardust Technology (Guangdong) Co., Ltd.

http://en.stardusttech.cn › products

Stardust Technology (Guangdong) Co., Ltd.

http://en.stardusttech.cn › products

It has good fluidity and compactness and is suitable for metal injection molding (MIM) and additive manufacturing (3D printing). The powder is widely used ...Read more

3D Printing Powder | Stanford Advanced Materials

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Stanford Materials

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Stanford Advanced Materials (SAM) provides spherical gas atomized metal powders suitable for 3D Printing applications.

Missing: ~~4Nb~~ ‎| Show results with: 4Nb

Spherical Niobium Powder Supplier for 3D Printing

Stanford Advanced Materials

https://powder.samaterials.com › pure-niobium › 1310-n...

Stanford Advanced Materials

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Spherical Niobium Metal Powder for sale. Spherical Niobium Powder is a light gray powder with a melting point of 2477 °C and a boiling point of 4742 °C.Read more

Missing: ~~4Nb~~ ‎| Show results with: 4Nb

Cost-effective preparation of high-purity spherical Ti-6Al-4V ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by W Zhang2025Cited by 11 — In this study, we propose a novel method that utilizes low-cost TiH 2 powder to induce refinement and purification through coaxial powder feeding and a laser ...Read more

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MSE Supplies provides high-quality 3D printing metal powders for all your additive manufacturing and 3D printing research and production.Read more

Spherical Niobium Powder - Custom Size

AEM Metal

https://www.aemmetal.com › spherical-niobium-powder

AEM Metal

https://www.aemmetal.com › spherical-niobium-powder

AEM's spherical Niobium metal powder is also a material for 3D printing. It produces the metal objects directly with high-density and accurate shape.Read more

Missing: ~~4Nb~~ ‎| Show results with: 4Nb

ODM. Spherical Iron Based Alloy Powder

ATT Advanced Elemental Materials Co., Ltd.

https://www.attelements.com › spherical-iron-based-allo...

ATT Advanced Elemental Materials Co., Ltd.

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The stainless steel powder has a good sphericity configuration with low oxygen content, high hardness, and good toughness. Packing of Spherical Iron Based Alloy ...Read more

Missing: ~~4Nb~~ ‎| Show results with: 4Nb