Tungsten Metal Powder

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Tungsten metal powder is a fine particulate form of tungsten used as a raw material in various industrial applications. Its unique properties like high density, strength, corrosion resistance and high melting point make it an important engineering material.

Composition and Manufacturing

Parameter Details
Elemental Composition Pure tungsten (W) or an alloy with other metals
Production Process Milled from tungsten rods or reduced from tungsten oxides
Particle Sizes Ranging from 1 micron to 150 microns typically
Purity Grades From 99% to 99.995% pure tungsten

Tungsten powder is produced through various processes like hydrogen reduction, milling, or thermal plasma spheroidization to achieve desired shape and purity.

Properties and Characteristics

Property Value
Density 19.3 g/cm3, almost twice that of steel
Melting Point 3422 °C, highest of all metals
Strength Very high hardness and strength, especially when sintered
Conductivity Low electrical resistivity, high thermal conductivity
Stability Excellent chemical stability and corrosion resistance
tungsten metal powder

These unique properties lend tungsten metal powder to various specialty applications.

Applications and Uses of tungsten metal powder

طلب Usage
cemented carbide tools binded in cobalt matrix for cutting tools
Counterweights High density ideal for weights and ballast
Radiation Shielding Effective shield from X-ray/gamma sources
Thermionic Emitters Filaments due to high melting point
3D Printing Powders For printing high-strength tungsten parts

Tungsten powder supports mission-critical needs across defense, medical, aerospace, and other industries.

Specifications and Standard Grades

Tungsten powder is available under various international standards that define particle size distribution, purity levels, manufacturing method etc. Some common specifications include:

  • ASTM B772 – Pure tungsten powder types
  • ISO 5453 – Chemical analysis and size classification
  • ICDD 00-001-1202 – Crystalline structure reference

Suppliers and Pricing

Supplier Price per kg
Midwest Tungsten $70 – $500
Buffalo Tungsten $100 – $600
Tungsten Heavy Powder $150 – $800
Global Tungsten Powders $250 – $1500

Pricing depends heavily on purity grade, particle shape/size consistency, quantity ordered, and value-added processing.

tungsten metal powder

Pros vs Cons

Pros Cons
Exceptional hardness and density Expensive compared to alternatives
Withstands high temps Heavy – adds weight if used in products
Corrosion and wear resistant Brittle if not properly processed
Environmentally stable Difficult to machine in certain forms
Uniform particle distribution May require protective atmospheres
tungsten metal powder


What is tungsten metal powder used for?

It has applications in tools, weights, radiation shielding, electronics, 3D printing, and other high-performance domains due to its specialized properties.

What purity grades are available?

Common purity levels range from 99% to 99.995%. Higher purity commands much higher pricing.

What is the typical particle size?

Particle size can range from 1 micron to 150 microns. Desired size depends on application method and end-use requirements.

Is tungsten environmentally hazardous?

No. Tungsten metal powder is generally non-toxic and eco-friendly. Certain processing may use hazardous compounds requiring care.

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