Tungsten Tube & Pipe Supplier

Tungsten Tubes & Pipes

A tungsten tube, also called a tungsten pipe, is a type of cylinder-shaped tube made from the chemical element tungsten. Tungsten tubes are really strong and durable. They are used in many different industries because of their exceptional strength and durability.

AEM Metals offers custom-made tungsten tubes and tungsten pipes for high-temperature applications. Our products are designed with precision and tailored specifications to meet your specific needs.

Purity: W ≥ 99.95%
Density: 17.8 - 18.3 g/cc
Hardness: > 450 HV
Supply state: Sinterring or processing
Size: 3 - 500 mm OD x 0.5 - 30 mm wall thickness x L

W-La Tubes

Tungsten Lanthanum (WLa) tubes represent a specialized and high-performance class of materials with unique properties that make them valuable in various technological applications. These tubes are composed of tungsten (W) and lanthanum (La), a rare-earth element. The combination of these materials results in enhanced characteristics that set WLa tubes apart in terms of performance and reliability.

When you prefer to tungsten tubes with long length and thin thickness, W-La （La2O3 0.8 - 1.2 wt%) tubes would be a better choice than pure tungsten tubes.

WLa tubes represent an advanced material solution, combining the robustness of tungsten with the advantageous properties imparted by lanthanum. Their versatility makes them a preferred choice in industries demanding high-performance materials capable of withstanding extreme conditions. Whether in aerospace, medical, or research applications, WLa tubes continue to contribute to technological advancements with their unique set of features.

Chemical Composition of Tungsten Sheets

W (≥%）	Chemical Content (≤ %）
99.95	K	Fe	Al	Mo	Si	As	Ca	Cr	Mg	Mn	Na	Ni	Bi	Cd
	0.0015	0.003	0.003	0.003	0.0015	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.0005	0.0005
	Cu	Pb	Sb	Co	Ti	Sn
	0.0005	0.0005	0.0005	0.0005	0.0005	0.0005

The Process of Manufacturing Tungsten Tubes

Sintering

Sintering is a key method in the manufacturing of tungsten tubes. It involves compacting tungsten powder into a green compact, followed by a high-temperature treatment (typically in a vacuum or hydrogen atmosphere) just below the melting point of tungsten. This process allows the tungsten particles to bond, resulting in a solid, dense structure.

In tube production, sintering is employed after pressing or forming processes. The compacted tungsten powder is shaped into the initial tube form, and sintering imparts strength and cohesion to the structure.

Machining

Machining involves the removal of material through various processes such as cutting, drilling, and turning to achieve specific dimensions, shapes, and surface finishes. Precision machining is crucial to meet tight tolerances and quality requirements.

After sintering, tungsten tubes often undergo precision machining to achieve final dimensions and features. This may include cutting the tube to the desired length, drilling holes, and ensuring the tube meets the required specifications.

Welding

Welding is a joining process that involves the fusion of two or more pieces of material to create a unified structure. Tungsten inert gas (TIG) welding is commonly used for tungsten materials due to its high melting point.

Welding may be used to join tungsten tubes or to attach additional components to the tubes.

Powder Metallurgy and Forming: The primary methods for tungsten tube manufacturing involve powder metallurgy, pressing, and forming processes, with sintering as a crucial step within these methods. These processes help shape tungsten into the desired tube structure.

Customization: Machining and welding are often used for customization and secondary processes after the initial forming and sintering steps.

Quality Control: Rigorous quality control measures are implemented at each stage, ensuring the final tungsten tubes meet specific standards and requirements.

In summary, sintering is a fundamental process in tungsten tube manufacturing, while machining and welding are complementary processes used for shaping and customization. The selection of methods depends on the specific requirements of the application and the desired properties of the tungsten tubes.

Custom Solutions: Tailoring Tungsten Tubes to Industry Needs

Precision Machining for Custom Dimensions:

Exact Specifications:

Precision machining techniques enable the customization of tungsten tubes to exact specifications, ensuring they meet the dimensional requirements of specific applications.

Tight Tolerances:

Custom solutions often demand tight tolerances. Precision machining allows for the creation of tungsten tubes with exceptionally small tolerances, crucial in applications where precision is paramount.

Alloying for Enhanced Properties:

Alloy Combinations:

Tungsten can be alloyed with other elements to create tailored solutions. Alloying may enhance certain properties, such as ductility, toughness, or resistance to specific environmental conditions.

Unique Shapes and Configurations:

Bespoke Designs:

Custom solutions involve crafting tungsten tubes in unique shapes and configurations. This capability allows for the creation of tubes that precisely fit into complex assemblies or accommodate specific fluid dynamics requirements.

Complex Geometries:

Advanced machining technologies enable the production of tungsten tubes with intricate geometries, addressing the specific needs of applications in industries such as aerospace, electronics, and medical devices.

Welding and Joining Techniques:

Integration into Assemblies:

Customized tungsten tubes can be seamlessly integrated into larger assemblies through welding and joining techniques. This is particularly valuable in industries where assemblies require precise and reliable components.

Enhanced Weldability:

Custom solutions may involve optimizing the weldability of tungsten tubes, allowing for efficient joining processes without compromising the material's integrity.

Industry-Specific Requirements:

Aerospace & Defense:

Tailored tungsten tubes for aerospace applications may involve lightweight designs with enhanced strength, meeting the stringent demands of aircraft components.

Medical Devices:

Custom tungsten tubes for medical devices may focus on biocompatibility, precision for imaging applications, or compatibility with sterilization processes.

Electronics and Semiconductors:

Industry-specific requirements in electronics may demand tungsten tubes with precise dimensions for use in semiconductor manufacturing or as components in electronic devices.

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FAQs About Tungsten Tubes

What are Tungsten tubes?

Tungsten tubes are cylindrical structures made from tungsten, a refractory metal known for its high melting point, thermal stability, and excellent mechanical properties. These tubes find applications in various industries due to their durability and unique characteristics.
What are the key properties of Tungsten tubes?

Tungsten tubes exhibit high melting points, exceptional thermal stability, corrosion resistance, and robust mechanical properties. They are also known for their resistance to deformation under high temperatures.
How are Tungsten tubes manufactured?

Tungsten tubes are typically manufactured using powder metallurgy, pressing, sintering, and precision machining processes. These methods allow for the creation of tubes with precise dimensions and shapes.
Can Tungsten tubes be customized?

Yes, tungsten tubes can be customized to meet specific industry requirements. Customization may involve precision machining for specific dimensions, alloying for enhanced properties, and coatings for improved functionality.
What is the difference between pure Tungsten tubes and Tungsten alloy tubes?

Pure tungsten tubes consist solely of tungsten, while tungsten alloy tubes are made by combining tungsten with other elements. Tungsten alloy tubes may exhibit different properties, such as enhanced ductility or machinability.
Are Tungsten tubes resistant to corrosion?

Yes, tungsten tubes are generally resistant to corrosion. Their corrosion resistance, along with high-temperature stability, makes them suitable for applications in aggressive environments.
How to purchase tungsten plates from AEM Metal?

Just send us inquiries, our team will prepare an official quote for you. If you are satisfied with our products and quotes, you can send us PO or we will send you PI for purchasing.

Where are Tungsten tubes used?

Tungsten tubes are used in diverse industries, including aerospace, electronics, medical devices, research laboratories, and high-temperature applications. They find applications in areas that demand precision, durability, and resistance to extreme conditions.
What are the applications of Tungsten tubes in electronics?

In electronics, tungsten tubes are used for components in semiconductors, X-ray tubes, and as cathodes in electron tubes. Their high thermal conductivity and stability make them suitable for various electronic applications.
How are Tungsten tubes used in aerospace?

Tungsten tubes are utilized in aerospace for various applications, including components in aircraft systems, high-temperature engines, and structural elements where lightweight and durable materials are crucial.
Can Tungsten tubes withstand high temperatures?

Yes, one of the key properties of tungsten is its high melting point, exceeding 3,400 degrees Celsius. Tungsten tubes can withstand extreme temperatures, making them suitable for applications in high-temperature environments.
Can Tungsten tubes be welded?

Welding tungsten tubes can be challenging due to tungsten's high melting point. Specialized welding techniques, such as tungsten inert gas (TIG) welding, may be employed to join tungsten tubes or attach additional components.
What are the shipping methods?

We use UPS or DHL or FedEx express for most of countries. Please let us know if you have their account number. We can ship the items out by using your account number. We use IPS express for Iran, Iraq and UAE. We will by sea or air if the weight or volume is large.
What are the payment methods？

Bank Wire Transfer: Direct bank transfers are a secure and widely used method. Details for wire transfers will be provided on the invoice.

PayPal: For added flexibility, PayPal payments are often accepted. This option is ideal for those who prefer online payment gateways.

Letter of Credit (L/C): In certain cases, we may accept payment through a letter of credit, offering a secure method for international transactions.

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