High Density Tungsten Powder

Overview of High Density Tungsten Powder

High Density Tungsten Powder is a unique material known for its exceptional properties, making it highly valuable in various industrial and scientific applications. This comprehensive guide dives deep into the specifics of High Density Tungsten Powder, examining its types, compositions, properties, and applications, along with supplier details, pricing, and much more.

What is High Density Tungsten Powder?

High Density Tungsten Powder, primarily composed of tungsten (W), boasts remarkable density and other desirable properties such as high melting point, strength, and corrosion resistance. It is produced through various processes, including atomization, chemical reduction, and mechanical alloying, to achieve powders with distinct characteristics suitable for specialized applications.

Types and Models of High Density Tungsten Powder

There are numerous types of High Density Tungsten Powder, each tailored for specific uses. Here are some of the prominent models:

1. W-1 Tungsten Powder

W-1 Tungsten Powder is characterized by its high purity and fine particle size, typically used in the electronics industry for high-precision components.

2. W-2 Tungsten Powder

W-2 Tungsten Powder has slightly larger particles and is often utilized in heavy-duty industrial applications due to its excellent wear resistance.

3. WC-Co (Tungsten Carbide-Cobalt) Powder

WC-Co Powder combines tungsten carbide with cobalt, offering a balance of hardness and toughness ideal for cutting tools and wear-resistant parts.

4. W-10Ni (Tungsten-Nickel) Powder

W-10Ni Powder includes 10% nickel, enhancing its ductility and machinability, commonly used in aerospace and defense sectors.

5. W-5Cu (Tungsten-Copper) Powder

W-5Cu Powder, containing 5% copper, is known for its excellent electrical conductivity and is used in electrical contacts and heat sinks.

6. W-3Re (Tungsten-Rhenium) Powder

W-3Re Powder includes 3% rhenium, providing superior high-temperature strength and stability, perfect for high-temperature applications like thermocouples.

7. W-8Mo (Tungsten-Molybdenum) Powder

W-8Mo Powder, with 8% molybdenum, offers enhanced corrosion resistance and is utilized in chemical processing industries.

8. Tungsten Alloy Powders

Tungsten Alloy Powders consist of mixtures of tungsten with other metals like iron, nickel, and copper, used in various high-density applications.

9. Nano Tungsten Powder

Nano Tungsten Powder features extremely fine particles on the nanometer scale, used in advanced research and applications requiring high surface area.

10. Tungsten Heavy Alloy Powder

Tungsten Heavy Alloy Powder is a mix of tungsten and various binders, offering high density and strength for use in counterweights, radiation shielding, and ballistic applications.

Properties of High Density Tungsten Powder

Type of Tungsten Powder	Composition	Density (g/cm³)	Melting Point (°C)	Characteristics	Applications
W-1	Pure W	19.25	3422	High purity, fine particle size	Electronics, precision components
W-2	Pure W	19.25	3422	Wear resistance, larger particles	Industrial, heavy-duty applications
WC-Co	W, Co	15.6	2785	Hardness, toughness	Cutting tools, wear parts
W-10Ni	W, Ni	18.5	2700	Ductility, machinability	Aerospace, defense
W-5Cu	W, Cu	17.0	3200	Electrical conductivity	Electrical contacts, heat sinks
W-3Re	W, Re	19.0	3000	High-temp strength, stability	Thermocouples, high-temp applications
W-8Mo	W, Mo	18.0	2623	Corrosion resistance	Chemical processing
Tungsten Alloy	W, Fe/Ni/Cu	16.0-18.0	2700-3000	Varies by composition	High-density applications
Nano Tungsten	Pure W	19.25	3422	High surface area	Advanced research
Tungsten Heavy Alloy	W, Binders	17.0-18.5	3000	High density, strength	Counterweights, radiation shielding

Applications of High Density Tungsten Powder

Application	Description
Electronics	Used in semiconductors, contacts, and high-precision electronic components.
Industrial	Utilized in heavy machinery parts, tools, and wear-resistant applications.
Aerospace and Defense	Employed in high-performance components, projectiles, and armaments.
Medical	Used in radiation shielding and medical imaging devices.
Electrical	Applied in electrical contacts, heat sinks, and conductors.
Chemical Processing	Used for equipment exposed to corrosive environments.
Research and Development	Nano Tungsten Powder is used in advanced material research and nanotechnology.
Construction	Utilized in construction equipment and drilling tools.

Specifications, Sizes, Grades, and Standards

Specification	Size Range (µm)	Grade	Standard
W-1	0.5-10	High Purity	ASTM B777
W-2	1-15	Standard	ISO 9001
WC-Co	0.5-12	Premium	ASTM B777, ISO
W-10Ni	1-20	High Grade	ASTM B777
W-5Cu	0.5-25	Industrial	ISO 9001
W-3Re	0.5-5	High Temp	ASTM B777
W-8Mo	0.5-15	Corrosion	ISO 9001
Tungsten Alloy	1-30	Various	ASTM B777, ISO
Nano Tungsten	<0.1	Research	Custom Standards
Tungsten Heavy Alloy	0.5-20	Military	MIL-STD-810

Suppliers and Pricing Details

Supplier	Product Type	Price (per kg)	Contact Info
Tungsten Corp	W-1, W-2	$200 – $250	www.tungstencorp.com
Metal Powders Inc.	WC-Co, W-10Ni, W-5Cu	$150 – $300	www.metalpowdersinc.com
Advanced Materials	Nano Tungsten	$500 – $1000	www.advancedmaterials.com
Industrial Metals	Tungsten Heavy Alloy	$180 – $350	www.industrialmetals.com
Specialty Alloys	W-3Re, W-8Mo	$250 – $400	www.specialtyalloys.com

Comparing Pros and Cons of High Density Tungsten Powder

Type	Advantages	Disadvantages
W-1	High purity, precision applications	Expensive
W-2	Wear resistance, durability	Limited to industrial use
WC-Co	Hardness, toughness	Higher cost due to cobalt
W-10Ni	Ductility, machinability	Lower density compared to pure tungsten
W-5Cu	Electrical conductivity	Less suitable for high-temp applications
W-3Re	High-temp stability	Expensive due to rhenium
W-8Mo	Corrosion resistance	Specialized use
Tungsten Alloy	Versatile, high-density applications	Composition varies, performance may differ
Nano Tungsten	High surface area, advanced research	Very high cost
Tungsten Heavy Alloy	Strength, radiation shielding	Heavier, may require special handling

Advantages of High Density Tungsten Powder

High Density Tungsten Powder offers several advantages:

1. Superior Density and Strength

Tungsten’s density is nearly twice that of lead, making it ideal for applications requiring high mass in a small volume. Its high strength ensures durability and resistance to wear and tear.

2. Excellent Temperature Resistance

With a melting point of 3422°C, tungsten can withstand extremely high temperatures, making it suitable for applications like aerospace components and high-temperature furnaces.

3. Corrosion Resistance

Tungsten’s resistance to corrosion by most acids and alkalis enhances its longevity in harsh environments, particularly in chemical processing industries.

4. Electrical Conductivity

Tungsten-copper alloys combine the high thermal and electrical conductivity of copper with tungsten’s robustness, perfect for electrical contacts and heat sinks.

Disadvantages of High Density Tung

sten Powder

Despite its numerous benefits, High Density Tungsten Powder has some drawbacks:

1. High Cost

The production and refinement of tungsten are costly, making it more expensive compared to other metals like steel or aluminum.

2. Brittleness

Pure tungsten can be brittle, which may limit its use in applications requiring high ductility or impact resistance. Alloying it with other metals can mitigate this issue to some extent.

3. Difficulty in Machining

Due to its hardness, tungsten can be challenging to machine, requiring specialized equipment and techniques, which can increase manufacturing costs.

FAQs

Question	Answer
What is High Density Tungsten Powder?	High Density Tungsten Powder is a material known for its high density, strength, and heat resistance, used in various industrial and scientific applications.
What are the common applications of High Density Tungsten Powder?	Common applications include electronics, aerospace, defense, medical devices, and industrial machinery.
How is High Density Tungsten Powder produced?	It is produced through processes like atomization, chemical reduction, and mechanical alloying.
Why is tungsten used in high-temperature applications?	Tungsten’s high melting point (3422°C) and stability at elevated temperatures make it ideal for such applications.
What are the main advantages of tungsten-copper alloys?	Tungsten-copper alloys offer a combination of high thermal and electrical conductivity with the strength of tungsten.
Are there any health risks associated with tungsten powder?	Tungsten powder is generally considered safe, but inhalation of fine dust should be avoided as it can cause respiratory issues.
How does the cost of tungsten compare to other metals?	Tungsten is more expensive than common metals like steel and aluminum due to its complex production process and high raw material costs.
Can tungsten powder be used in 3D printing?	Yes, tungsten powder can be used in additive manufacturing, particularly for creating high-density, high-strength components.
What is the difference between tungsten and tungsten carbide?	Tungsten carbide is a compound of tungsten and carbon, known for its extreme hardness and used in cutting tools and wear-resistant parts.
What industries benefit the most from tungsten powder?	Industries such as aerospace, defense, electronics, and medical sectors benefit significantly from the unique properties of tungsten powder.

Conclusion

High Density Tungsten Powder is an exceptional material with a wide range of applications due to its high density, strength, and resistance to extreme conditions. Whether in industrial machinery, aerospace components, or cutting-edge electronics, tungsten powder’s versatility and performance are unparalleled. Understanding the various types, properties, and uses can help industries and researchers harness its full potential, driving innovation and efficiency in their respective fields.

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