Tungsten Powder: Sourcing, Types, and Applications in 2025
Tungsten powder is a critical material in industries ranging from aerospace to electronics. With China being a leading supplier, understanding how to source high-quality tungsten powder is essential for buyers worldwide. This guide covers practical insights into sourcing, types, and applications.
How to Find Reliable Tungsten Powder from China in 2025
China dominates the global tungsten powder market, but finding trustworthy suppliers requires due diligence. Start by verifying certifications like ISO 9001 and RoHS compliance. Platforms like Alibaba and Made-in-China list vetted suppliers, but always request samples and third-party lab reports. Key red flags include unusually low prices or vague product specifications.
What Buyers Should Know Before Buying Tungsten Powder from China
Before placing an order, confirm the powder’s purity (typically 99.95% or higher), particle size distribution, and packaging standards. Negotiate MOQs (Minimum Order Quantities) and Incoterms (e.g., FOB or CIF) to avoid hidden costs. For example, a U.S. manufacturer reduced logistics expenses by 18% by switching to FOB terms with a Jiangxi-based supplier.
Types of Tungsten Powder
Common variants include:
- Ultra-fine powder (0.1–0.5 microns): Used for 3D printing and microelectronics.
- Coarse powder (10–50 microns): Ideal for heavy alloys and radiation shielding.
- Doped tungsten powder (with La₂O₃ or ThO₂): Enhances thermal stability in lighting components.
Functions and Features of Tungsten Powder
With the highest melting point (3,422°C) of all metals, tungsten powder excels in high-temperature applications. Its density (19.25 g/cm³) makes it perfect for counterweights and armor-piercing projectiles. Recent advancements include spheroidized powders for additive manufacturing, improving layer adhesion by 30%.
Scenarios of Tungsten Powder
Key applications:
- Aerospace: Turbine blades and rocket nozzles.
- Medical: Radiation shielding in CT scanners.
- Automotive: High-performance brake pads.
How to Choose Tungsten Powder
Match the powder type to your use case. For instance, ultra-fine powders suit precision components, while coarse powders are better for sintering. Always check batch consistency—variations exceeding ±5% in particle size can disrupt production. A German auto parts maker cut defect rates by 22% by switching to a supplier with tighter size tolerances.
Tungsten Powder Q & A
Q: What’s the typical lead time for orders from China?
A: 15–30 days for standard grades; expedited shipping adds 30–50% cost.
Q: How is tungsten powder packaged?
A: Sealed steel drums with argon gas to prevent oxidation.
Q: Can I get customized particle sizes?
A: Yes, but MOQs usually start at 500 kg for custom grades.
Q: What’s the price range per kg?
A: $50–$200/kg, depending on purity and particle size.
Q: Are there export restrictions?
A: Some countries regulate exports due to strategic uses; check local laws.
