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    Tungsten Sheet

    Tungsten Sheet
  • Tungsten Sheet
  • Tungsten Sheet
  • Introduction to Tungsten Sheets

    Tungsten sheets stand as a testament to the excellent properties of this remarkable metal, offering a versatile and robust solution for a myriad of industrial applications. As one of the densest and hardest materials known to man, tungsten sheets embody strength, resilience, and an ability to withstand extreme conditions.

    Standard: ASTM B760, GB/T 3975
    Purity: ≥99.95%
    Density: 19.3 g/cm3
    Melting point: 3410 ℃
    Size: Custom width and length. Thickness range: 0.13 - 4.75 mm

    AEM Metal is a professional manufacturer and exporter of custom Tungsten sheets. Welcome to send us an inquiry and get a official quote.

    High Precision Tungsten Sheet

    Specification: (0.1-0.9)mm x ≤250mm x Lmm.
    Standard: GB/T3875 ASTM B760.
    Thickness Tolerance: ±0.013mm.
    Flatness: 0.025mm.
    Surface Roughness: Ra≤0.8.
    Applications:
    Widely used in medical CT machines, electronics, vacuum equipment, and vacuum coating.

    Properties and Characteristics of Tungsten Sheets

    High Density

    Tungsten is one of the densest materials known, providing tungsten sheets with exceptional mass and weight. High density makes tungsten sheets valuable for applications where weight and compactness are critical factors.

    Electrical Conductivity

    While not as high as some other metals, tungsten still possesses good electrical conductivity. Tungsten sheets find applications in electronics and electrical components where reliable conductivity is essential.

    High Melting Point

    Tungsten possesses the highest melting point of all metals, exceeding 3,422 degrees Celsius (6,192 degrees Fahrenheit).

    Tungsten sheets excel in high-temperature environments, making them suitable for use in furnaces, aerospace components, and other applications where extreme heat is a factor.

    Thermal Conductivity

    Tungsten exhibits excellent thermal conductivity. Tungsten sheets efficiently conduct and dissipate heat, contributing to their use in high-temperature applications and heat-resistant materials.

    Tungsten is often alloyed with Copper to enhance the properties. WCu alloy's thermal conductivity is enhanced by the inclusion of copper, making it an effective material for managing heat in electronic and high-temperature environments.

    Ductility and Malleability

    Tungsten exhibits low ductility and malleability in its pure form. Despite its brittleness, tungsten sheets can be fabricated into various shapes through processes like rolling.

    Corrosion Resistance

    Tungsten is highly resistant to corrosion. Tungsten sheets maintain their integrity in corrosive environments, contributing to their longevity and reliability in industrial applications.

    Radiation Absorption

    Tungsten is effective in absorbing and attenuating ionizing radiation.

    Tungsten sheets are utilized in medical applications, particularly in X-ray technology, where their radiation absorption properties enhance precision in diagnostics.

    Precision Machining and Fabrication

    Tungsten sheets are amenable to precision machining despite their hardness. This property enables the fabrication of intricate components and cutting tools for advanced manufacturing processes.

     

    Tungsten Sheets Applications

    1. Parts of electric light sources and electron tubes

    2. Medical facilities

    3. Obstruction of radiation and interference

    4. To heat elements of high temperature furnaces

    5. Structures of high temperature furnaces

    6. Reflection shield, cover plate applied in the sapphire growth furnace, reflection shield, heating tape

    7. Making tungsten electrodes, tungsten boats for electronics, lightening, electro-vacuum industries

    Manufacturing Process of Tungsten Sheets

    Tungsten billets
    Hot rolling
    Annealing
    Cold rolling
    Levelling
    Annealing
    Machining
    Tungsten sheet

    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                

    Tungsten Sheets vs. Other Materials

      Pure Tungsten W-La Alloy Tungsten Rhenium Alloy
    Composition W WLa10 (0.8-1.2% La2O3), WLa15 (1.3-1.7% La2O3), WLa20 (1.8-2.2% La2O3) WRe3%, WRe5%, WRe25%, WRe26%
    Properties High melting point.
    High density.
    Brittle.
    Enhanced ductility compared to pure tungsten.
    Improved electron emission characteristics.
    High-temperature stability.
    Improved ductility and tensile strength compared to pure tungsten.
    High-temperature strength and stability.
    Moderate electrical resistivity.
    Applications TIG welding electrodes.
    High-temperature furnace components.
    Radiation shielding.
    Electron emitters in electron microscopy.
    Cathodes in electronics.
    High-temperature applications.
    Aerospace applications (thermocouples, rocket nozzles).
    High-temperature furnace elements.
    X-ray tubes
    Costs Generally less expensive. Moderate cost. More expensive due to the addition of rhenium.

    Summary

    Pure Tungsten

    Best for applications requiring the highest melting point and density.
    Ideal when brittleness is not a limiting factor.

    W-La Alloy

    Offers improved ductility compared to pure tungsten.
    Suitable for applications requiring enhanced electron emission.

    Tungsten-Rhenium Alloy

    Provides a balance of strength, ductility, and high-temperature stability.
    Valuable in aerospace and high-temperature environments.

    The choice depends on the specific requirements of the application, considering factors such as temperature conditions, mechanical properties, and cost considerations. Each material has its advantages, and the selection should be tailored to the needs of the particular use case.

     

    The choice depends on the specific requirements of the application, considering factors such as temperature conditions, mechanical properties, and cost considerations. Each material has its advantages, and the selection should be tailored to the needs of the particular use case.

    FAQs About Tungsten Sheets

    • What are tungsten sheets?  
       

      Tungsten sheets are thin, flat pieces of tungsten metal known for their exceptional properties such as high melting point, thermal stability, and strength. They find applications in various industries due to their unique combination of characteristics.

    • What are the main properties of tungsten sheets? 
       

      Tungsten sheets exhibit high density, exceptional hardness, resistance to high temperatures, excellent thermal and electrical conductivity, and resistance to corrosion. These properties make them valuable in demanding industrial applications.

    • How are tungsten sheets manufactured? 
       

      Tungsten sheets are typically produced through processes such as compaction, sintering, cold working, machining, and precision manufacturing. These processes ensure the sheets meet specific dimensional and performance requirements.

    • What is the melting point of tungsten sheets? 
       

      Tungsten has the highest melting point of all metals, exceeding 3,400 degrees Celsius (6,192 degrees Fahrenheit). Tungsten sheets retain their solid form at extremely high temperatures, making them suitable for demanding applications.

    • Are tungsten sheets recyclable? 
       

      Yes, tungsten is a recyclable material. Tungsten scrap can be reclaimed and reused in various industrial processes.

    • What safety considerations should be taken when handling tungsten sheets? 
       

      While tungsten itself is not toxic, proper safety measures should be taken when handling tungsten sheets, including the use of appropriate personal protective equipment (PPE) and adherence to safety guidelines.

    • How to purchase tungsten sheets 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 sheets commonly used? 
       

      Tungsten sheets are used in aerospace, high-temperature furnaces, electronics, medical equipment, industrial machining, and other applications where their unique properties are essential.

    • In which industries are tungsten sheets used for heating elements? 
       

      Tungsten sheets are commonly used as heating elements in high-temperature furnaces across industries such as aerospace, semiconductor manufacturing, and materials processing.

    • What makes tungsten sheets suitable for rocket nozzles? 
       

      Tungsten sheets' high melting point, thermal stability, and strength make them ideal for constructing rocket nozzles. They withstand extreme temperatures and provide structural integrity to propulsion systems.

    • How do tungsten sheets contribute to radiation shielding? 
       

      Tungsten sheets' high density and radiation absorption properties make them effective for shielding against ionizing radiation. They are used in applications such as medical X-ray technology and nuclear facilities.

    • Can tungsten sheets be customized for specific applications? 
       

      Yes, tungsten sheets can be customized in terms of size, thickness, and surface treatments to meet the specific requirements of different applications across industries.

    • 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.

     

    Maintenance and Care Tips

    Tungsten sheets, given their unique properties and applications, require specific maintenance and care to ensure optimal performance and longevity. Here are some maintenance and care tips for tungsten sheets:

    1. Handling and Storage:

      Handle with Care: Tungsten is a hard and brittle material. Avoid dropping or subjecting tungsten sheets to impact, as this can lead to chipping or breakage. Avoid Contaminants: Keep tungsten sheets away from contaminants, such as oils and greases, which can affect their performance.

    2. Cleaning:

      Use Mild Cleaning Agents: When cleaning tungsten sheets, use mild cleaning agents and solvents. Harsh chemicals can react with tungsten and compromise its surface integrity.

      Avoid Abrasives: Refrain from using abrasive materials for cleaning, as they can scratch or damage the surface.

    3. Temperature Considerations:

      Avoid Rapid Temperature Changes: Tungsten rods can withstand high temperatures, but rapid temperature changes, especially extreme quenching, may lead to thermal stress and potential cracking.

      Gradual Cooling: Allow tungsten sheets to cool gradually after exposure to high temperatures to minimize thermal shock.

    4. Welding Applications:

      Check for Contamination: In welding applications, ensure that the tungsten electrode is free from any contamination, which can affect the quality of the weld.

      Proper Grinding Techniques: When grinding tungsten electrodes for welding, use proper techniques and equipment to maintain the correct tip geometry.

    5. Storage Conditions:

      Dry Storage: Store tungsten sheets in a dry environment to prevent corrosion or oxidation.

      Avoid Humidity: If tungsten sheets are exposed to high humidity, consider using moisture-absorbing materials in storage areas.

    6. Avoid Excessive Force:

      Minimize Bending: Tungsten rods are rigid but can be brittle. Avoid applying excessive force or bending, especially if the rod has a small diameter.

    7. Use in Appropriate Applications:

      Know the Limitations: Be aware of the limitations of tungsten sheets. While they excel in high-temperature and high-strength applications, they may not be suitable for applications requiring high ductility.

    8. Regular Inspection:

      Check for Damage: Periodically inspect tungsten sheets for any signs of damage, such as cracks or chips.

      Replace Damaged Rods: If any damage is detected, replace the tungsten rod to prevent compromising the performance of the material.

    9. Proper Machining Practices:

      Use Suitable Tools: When machining tungsten sheets, use tools that are designed for hard materials to avoid excessive wear and ensure precision.

    Request an Tungsten Quote for Your Projects Now

    Solution about Tungsten? Our experts are here to help. Contact us for advice on choosing and using Tungsten.

    Get a quote now or let us know what you’re looking for and we will get back to you soon!


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