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With more than a decade of expertise, MetalsTek Engineering specializes in delivering top-tier tungsten alloys, such as Tungsten Silver (W-Ag) Alloy, Tungsten Copper (W-Cu) Alloy, Lanthanated Tungsten (W-La) Alloys, tailored to meet the exacting requirements of diverse high-tech applications. Our commitment is to provide the utmost quality tungsten alloys precisely crafted to your specifications.
Material: Tungsten Silver (AgW)
Purity: W 30~90%
Density: 11.7~16.1 g/cc
HRB Hardness: 75~180 Kgf/mm2
Shapes: Rod, Bars, Sheets, Plates, Tubes, Electrode, Can be Customized
Size: Customized
Electric Resistance Welding, Electrode, Automatic Switches, Protection Switches, Electrical Discharge Machining (EDM), Electrochemical Machining (ECM), etc.
Material: Tungsten Copper
Compositions: W 50~90%
Density: 11.85~16.75 g/cc
HRB Hardness: 115~260 Kgf/mm2 /1128~2550 MPa
Shapes: Rod, Bar, Plate, Tube, Electrode, Can be Customized
Size: Customized
Material Advantages: High Thermal Conductivity, Low Thermal Expansion, High Arc Resistance, Good Electrical Conductivity
Main Applications: Manufacture high-temperature components, arc ablation resistant high-voltage electrical switches, rocket nozzle throat linings, and tail rudders.
The most common tungsten/copper ratios are WCu 70/30, WCu 75/25, and WCu 80/20. Other common compositions include tungsten/copper 50/50, 60/40, and 90/10. The range of available compositions is from Cu 50 wt.% to Cu 90 wt.%. Our tungsten copper product range includes copper tungsten rod, foil, sheet, plate, tube, tungsten copper rod, and machined parts.
Lanthanated tungsten is an oxidized lanthanum doped tungsten alloy, classified as oxidized rare earth tungsten. When dispersed lanthanum oxide is added, lanthanated tungsten exhibits improved heat resistance, thermal conductivity, creep resistance, and high recrystallization temperature.
Lanthanated tungsten is an oxidized lanthanum doped tungsten alloy, categorized as oxidized rare earth tungsten (W-REO). When dispersed lanthanum oxide is added, lanthanated tungsten demonstrates improved heat resistance, thermal conductivity, creep resistance, and high recrystallization temperature. These exceptional properties enable lanthanated tungsten electrodes to deliver superior performance in arc starting capability, arc erosion resistance, and arc stability and controllability.
Rare earth oxide doped tungsten electrodes, such as W-La2O3 and W-CeO2, demonstrate numerous exceptional welding qualities. Rare earth oxide doped tungsten electrodes possess the most desirable characteristics among electrodes for Gas Tungsten Arc Welding (GTAW), also known as Tungsten Inert Gas (TIG) welding and Plasma Arc Welding (PAW). The oxides incorporated into tungsten raised the recrystallization temperature and simultaneously enhanced the emission level by reducing the electron work function of the tungsten.
| Oxide Rare Earth Properties And Composition In Tungsten Alloy | ||||
| Type of oxides | ThO2 | La2O3 | CeO2 | Y2O3 |
| Melting point oC | 3050(Th: 1755) | 2217(La: 920) | 2600(Ce: 798) | 2435(Y: 1526) |
| Heat of decomposition. Kj | 1227.6 | 1244.7 | (523.4) | 1271.1 |
| Type of oxides after sintering | ThO2 | La2O3 | CeO2(1690)oC | Y2O3 |
| Reaction with tungsten | Reduction of ThO2by W occurs.forming pure Th. | Forming tungstateand oxytungstate | Forming tungstate | Forming tungstate |
| Stability of oxides | Lower stability | Higher stability | Reasonable stability atthe electrode edgebut lower stabilityat the tip | High stability |
| Oxide weight % | 0.5 – 3 | 1 – 3 | 1 – 3 | 1 – 3 |
| Grade | Ag % | Total Impurities % (≤) | W % | Density g/cm³ (≥) | Hardness HRB (≥) | Resistivity μΩ·cm (≤) | Conductivity IACS/% (≥) |
| AgW30 | 70±1.5 | 0.5 | Bal. | 11.75 | 75 | 2.3 | 75 |
| AgW40 | 60±1.5 | 0.5 | Bal. | 12.4 | 85 | 2.6 | 66 |
| AgW50 | 50±1.5 | 0.5 | Bal. | 13.15 | 105 | 3 | 57 |
| AgW55 | 45±1.5 | 0.5 | Bal. | 13.55 | 115 | 3.2 | 54 |
| AgW60 | 40±1.5 | 0.5 | Bal. | 14 | 125 | 3.4 | 51 |
| AgW65 | 35±1.5 | 0.5 | Bal. | 14.5 | 135 | 3.6 | 48 |
| AgW70 | 30±1.5 | 0.5 | Bal. | 14.9 | 150 | 3.8 | 45 |
| AgW75 | 25±1.5 | 0.5 | Bal. | 15.4 | 165 | 4.2 | 41 |
| AgW80 | 20±1.5 | 0.5 | Bal. | 16.1 | 180 | 4.6 | 37 |
| Composition | Densityg/cm³ | Electrical Conductivity IACS % Min. | CTE10-6 K-1 | Thermal ConductivityW/m · K-1 | HardnessHRB Min. | Specific HeatJ/g · K |
| WCu 50/50 | 12.2 | 66.1 | 12.5 | 310 | 81 | 0.259 |
| WCu 60/40 | 13.7 | 55.2 | 11.8 | 280 | 87 | 0.230 |
| WCu 70/30 | 14.0 | 52.1 | 9.1 | 230 | 95 | 0.209 |
| WCu 75/25 | 14.8 | 45.2 | 8.2 | 220 | 99 | 0.196 |
| WCu 80/20 | 15.6 | 43 | 7.5 | 200 | 102 | 0.183 |
| WCu 85/15 | 16.4 | 37.4 | 7.0 | 190 | 103 | 0.171 |
| WCu 90/10 | 16.75 | 32.5 | 6.4 | 180 | 107 | 0.158 |
Tungsten Alloys are composite materials made by combining tungsten with other elements. Tungsten, known for its high melting point and density, is often alloyed to enhance specific properties for various applications.
Tungsten Alloys are versatile materials with applications spanning various industries, from aerospace and defense to medical and sports equipment manufacturing. The specific composition of each alloy is tailored to meet the requirements of particular applications, combining the unique properties of tungsten with other elements.
Out of Tungsten Rhenium Alloy, Tantalum Tungsten Alloy, and Tungsten Carbide Alloys, a few more Tungsten alloys are widely used in multiple applications. They are Tungsten Silver Alloy, Tungsten Copper Alloy, and Tungsten Heavy Alloys (W-Ni-Fe Alloy, W-Ni-Cu Alloy, W-Ni-Co Alloy).
Our Tungsten Alloys are meticulously tagged and externally labeled, ensuring both efficient identification and rigorous quality control. We prioritize utmost care to prevent any potential damage that may occur during storage or transportation.
Unleashing the power of a groundbreaking metal fusion, the versatile world of tungsten copper alloy offers a wide range of possibilities in various industries. Combining the strength and conductivity of copper with the high melting point and durability of tungsten, this alloy breaks the limitations of traditional materials.
With its exceptional thermal and electrical conductivity, tungsten copper alloy is a sought-after material in industries such as aerospace, electrical engineering, and defense. Its impressive strength and resistance to thermal expansion make it ideal for applications that require heat dissipation and thermal management. Additionally, its high density and ability to resist erosion make it a valuable asset in electric contacts and electrodes.
Whether used in high-performance circuit boards, rocket engines, or defense systems, the versatility of tungsten copper alloy is unmatched. Its ability to withstand extreme temperatures, resist corrosion, and maintain stability in harsh environments makes it the go-to choice for demanding applications.
As researchers and engineers continue to push boundaries and discover new applications for this remarkable alloy, the power and potential of tungsten copper fusion are only beginning to be realized. Join us as we explore the fascinating world of tungsten copper alloy and unveil the breakthroughs it brings to industries around the globe.
Tungsten copper alloy is a remarkable material that combines the exceptional properties of its two primary components – tungsten and copper. This fusion of metals results in an alloy with unparalleled thermal and electrical conductivity, exceptional strength, and remarkable durability.
At the core of tungsten copper alloy’s unique characteristics is the synergy between the high melting point and hardness of tungsten, and the excellent electrical and thermal conductivity of copper. Tungsten, with its melting point of over 3,400°C, provides the alloy with exceptional heat resistance and stability, even in the most extreme environments. Copper, on the other hand, contributes its superior ability to transfer heat and electricity, making the alloy an ideal choice for applications that require efficient thermal and electrical management.
The combination of these properties gives tungsten copper alloy a distinct advantage over many other metal alloys. Its high thermal conductivity allows for efficient heat dissipation, making it a popular choice in applications where heat management is crucial, such as in electronic components, heat sinks, and high-power devices. The alloy’s high electrical conductivity, coupled with its resistance to wear and erosion, makes it an excellent material for electrical contacts, electrodes, and other components that require reliable and long-lasting performance.
Furthermore, the unique microstructure of tungsten copper alloy, with its evenly distributed tungsten particles embedded in a copper matrix, gives the material exceptional strength and rigidity. This combination of properties enables the alloy to withstand high temperatures, high pressures, and intense mechanical stresses, making it a versatile choice for a wide range of industrial applications.
The exceptional properties of tungsten copper alloy have made it a highly sought-after material in a variety of industries, each leveraging its unique capabilities to solve complex challenges and drive innovation.
One of the primary applications of tungsten copper alloy is in the field of electrical engineering, where its high electrical and thermal conductivity make it an ideal choice for components such as electrical contacts, electrodes, and heat sinks. In high-power electrical devices, the alloy’s ability to efficiently dissipate heat helps to maintain optimal performance and prevent overheating, ultimately extending the lifespan of the equipment.
Another key application of tungsten copper alloy is in the aerospace industry, where its combination of strength, heat resistance, and low thermal expansion coefficient make it a critical material for various components. From rocket nozzles and thruster components to heat shields and thermal management systems, tungsten copper alloy plays a vital role in ensuring the reliability and performance of aerospace technologies.
Beyond the aerospace and electrical engineering sectors, tungsten copper alloy has found applications in the defense industry, where its high density and resistance to erosion make it a valuable material for applications such as armor-piercing projectiles, shaped charges, and electrodes in high-energy weapons systems.
In the medical field, the unique properties of tungsten copper alloy have led to its use in specialized surgical instruments and implants. Its biocompatibility, strength, and ability to withstand sterilization processes make it a suitable choice for medical devices that require precision, durability, and safety.
The versatility of tungsten copper alloy extends even further, with applications in the automotive industry, where it is used in components such as brake discs, engine parts, and heat-dissipating elements. Its ability to withstand high temperatures and maintain structural integrity under extreme conditions makes it an invaluable material in the high-performance automotive sector.
The aerospace industry is one of the primary beneficiaries of the remarkable properties of tungsten copper alloy. This versatile material plays a crucial role in a wide range of aerospace applications, from propulsion systems to thermal management solutions.
In the realm of rocket engines and thruster components, tungsten copper alloy’s high melting point, strength, and thermal conductivity make it an indispensable material. The alloy’s ability to withstand the intense heat and pressure generated during rocket launches and space maneuvers is unparalleled, ensuring the reliability and performance of these critical systems.
Tungsten copper alloy’s low coefficient of thermal expansion is another key factor that makes it a preferred choice for aerospace applications. This property allows the material to maintain its dimensional stability even in the face of extreme temperature fluctuations, which is essential for the precise alignment and operation of various aerospace components.
Beyond propulsion systems, tungsten copper alloy is also extensively used in the design and construction of heat shields and thermal management systems for spacecraft and launch vehicles. The alloy’s exceptional heat dissipation capabilities help to protect sensitive electronic components and maintain optimal operating temperatures, even in the harsh environments of space.
In the field of satellite technology, tungsten copper alloy plays a crucial role in the fabrication of high-frequency and high-power RF components, such as waveguides, filters, and antennas. The alloy’s ability to efficiently conduct heat and electricity, while also maintaining structural integrity, makes it an indispensable material for these mission-critical systems.
The versatility of tungsten copper alloy extends to the aviation industry as well, where it is used in the production of various aircraft components, including brake discs, engine parts, and heat-dissipating elements. The alloy’s resistance to wear, corrosion, and high temperatures ensures the longevity and reliability of these critical components, contributing to the overall safety and performance of aircraft.
The unique properties of tungsten copper alloy make it a highly sought-after material in a wide range of industries, but like any other material, it also has its own set of advantages and disadvantages.
Advantages:
Disadvantages:
Despite these disadvantages, the remarkable advantages of tungsten copper alloy often outweigh the challenges, making it a highly valuable and sought-after material in various industries where its unique properties are essential for meeting demanding performance requirements.
Tungsten copper alloy has found widespread applications across a diverse range of industries, each leveraging its exceptional properties to address unique challenges and drive innovation.
Electrical Engineering: The alloy’s high electrical and thermal conductivity make it an indispensable material for electrical components, such as electrical contacts, electrodes, and heat sinks, where efficient heat dissipation and reliable performance are crucial.
Aerospace: The aerospace industry heavily relies on tungsten copper alloy for its exceptional strength, heat resistance, and low thermal expansion coefficient, which are essential for components like rocket nozzles, thruster components, heat shields, and thermal management systems.
Defense: In the defense industry, tungsten copper alloy’s high density and resistance to erosion make it a valuable material for applications such as armor-piercing projectiles, shaped charges, and electrodes in high-energy weapons systems.
Medical: The biocompatibility, strength, and ability to withstand sterilization processes of tungsten copper alloy have led to its use in specialized surgical instruments and implants, where precision, durability, and safety are paramount.
Automotive: The automotive industry utilizes tungsten copper alloy in components such as brake discs, engine parts, and heat-dissipating elements, taking advantage of the alloy’s ability to withstand high temperatures and maintain structural integrity under extreme conditions.
Electronics: Tungsten copper alloy’s thermal and electrical conductivity make it an ideal choice for high-performance electronic components, including heat sinks, power modules, and high-frequency RF components used in various electronic devices and systems.
Industrial Equipment: The alloy’s exceptional strength, wear resistance, and thermal stability make it a valuable material for industrial equipment, such as cutting tools, molds, and high-temperature furnace components.
The versatility of tungsten copper alloy continues to expand as researchers and engineers discover new applications and push the boundaries of what is possible with this remarkable material. As industries continue to demand more advanced and efficient solutions, the role of tungsten copper alloy in shaping the future of various sectors is only expected to grow.
The production of tungsten copper alloy involves a complex and precise manufacturing process that combines the unique properties of its two primary components – tungsten and copper.
The manufacturing process typically begins with the preparation of the raw materials, which involves the purification and processing of tungsten and copper powders. The powders are then combined in the desired proportions, typically ranging from 10% to 35% tungsten content, depending on the specific application requirements.
Once the raw materials are prepared, the next step is the consolidation of the powders into a solid form. This is commonly done through a process called powder metallurgy, which involves compacting the powders under high pressure and then sintering them at high temperatures to fuse the particles together.
During the sintering process, the copper particles melt and form a matrix, while the tungsten particles remain solid and are evenly distributed throughout the copper matrix. This unique microstructure is what gives tungsten copper alloy its exceptional strength, durability, and thermal and electrical conductivity.
After the sintering process, the alloy may undergo additional processing steps, such as hot or cold working, to further refine its properties and shape it into the desired form. This can include techniques like rolling, forging, or extrusion, depending on the specific application requirements.
Quality control is a critical aspect of the manufacturing process for tungsten copper alloy. Rigorous testing and inspection are carried out at various stages to ensure the alloy meets the stringent specifications and performance standards required for its intended use.
The manufacturing of tungsten copper alloy is a highly specialized and capital-intensive process, often requiring advanced equipment and specialized expertise. This, coupled with the limited availability of raw materials, can contribute to the higher cost of the alloy compared to some other metal alloys.
Despite the challenges, the unique properties and versatility of tungsten copper alloy have made it an increasingly sought-after material in a wide range of industries, driving ongoing research and development to optimize the manufacturing process and expand its applications.
Tungsten copper alloy products, due to their exceptional properties and performance, require specific maintenance and care to ensure their longevity and optimal performance.
Cleaning and Surface Maintenance:
Tungsten copper alloy products should be cleaned regularly to remove any accumulated dirt, debris, or contaminants that may affect their performance. Gentle cleaning methods, such as using a soft cloth and a mild, non-abrasive cleaning solution, are recommended to avoid damaging the surface of the alloy.
It is important to avoid using harsh chemicals, solvents, or abrasive cleaning materials, as these can potentially corrode or scratch the surface of the alloy, compromising its protective properties and performance.
Thermal Management:
Proper thermal management is crucial for tungsten copper alloy products, as they are often used in applications that involve high temperatures or significant heat generation. Ensuring adequate cooling and heat dissipation is essential to prevent the alloy from overheating and maintain its structural integrity and performance.
This may involve the use of cooling systems, heat sinks, or other thermal management solutions, depending on the specific application and operating conditions.
Handling and Storage:
Tungsten copper alloy products should be handled with care to avoid physical damage, such as dents, scratches, or deformation. When storing these products, it is important to protect them from environmental factors, such as moisture, corrosive agents, and extreme temperatures, which can potentially degrade the alloy’s performance.
Proper storage conditions, such as a clean, dry, and temperature-controlled environment, can help extend the lifespan of tungsten copper alloy products.
Inspection and Monitoring:
Regular inspection and monitoring of tungsten copper alloy products are essential to identify any signs of wear, damage, or deterioration. This can help prevent unexpected failures and ensure the continued reliable performance of the alloy in its intended application.
By adhering to these maintenance and care practices, users of tungsten copper alloy products can maximize the lifespan and performance of these valuable and versatile materials, ensuring their continued contribution to the advancement of various industries.
When it comes to the comparison between tungsten copper alloy and other metal alloys, the unique properties and characteristics of tungsten copper alloy set it apart as a highly specialized and sought-after material.
Compared to traditional copper alloys, tungsten copper alloy offers significantly higher thermal and electrical conductivity, as well as superior strength and durability. This makes it a preferred choice for applications that require efficient heat dissipation and the ability to withstand high temperatures and mechanical stresses, such as in electrical components, aerospace systems, and industrial equipment.
In contrast to aluminum alloys, which are often used for their lightweight properties, tungsten copper alloy has a higher density and is better suited for applications where weight is not a primary concern but where strength, thermal stability, and wear resistance are critical factors.
When compared to other high-performance metal alloys, such as titanium or nickel-based alloys, tungsten copper alloy stands out for its exceptional thermal and electrical conductivity, as well as its relatively lower cost. This makes it an attractive choice for applications where these properties are essential, but the higher cost of other specialized alloys may be prohibitive.
Furthermore, the unique microstructure of tungsten copper alloy, with its evenly distributed tungsten particles in a copper matrix, provides it with a distinct advantage over many other metal alloys in terms of its ability to withstand extreme temperatures, high pressures, and intense mechanical stresses.
While some metal alloys may surpass tungsten copper alloy in specific properties, such as the lightweight nature of aluminum or the corrosion resistance of stainless steel, the overall versatility and performance of tungsten copper alloy make it a highly valuable and irreplaceable material in many industries.
As research and development continue to push the boundaries of material science, the comparative advantages of tungsten copper alloy may evolve, but its unique blend of thermal, electrical, and mechanical properties will likely maintain its status as a critical material for a wide range of demanding applications.
As industries continually seek more advanced and efficient materials, the future of tungsten copper alloy technology appears promising. Ongoing research and development efforts are focused on enhancing the material’s capabilities and broadening its applications across various sectors.
One of the primary areas of focus in advancing tungsten copper alloy technology is optimizing the manufacturing process. Researchers and engineers are investigating new techniques and technologies to improve the consistency, cost-effectiveness, and scalability of tungsten copper alloy production. This includes:
Another key area of advancement is the exploration of new tungsten copper alloy compositions and microstructures. By varying the ratios of tungsten and copper or adding other alloying elements, scientists aim to enhance the material’s thermal, electrical, and mechanical properties. This research is crucial for meeting the evolving needs of industries such as:
The future of tungsten copper alloy technology also involves expanding its applications. Beyond traditional uses in electrical contacts, heat sinks, and aerospace components, there is potential for tungsten copper alloys in new and emerging fields. For instance:
The future prospects for tungsten copper alloy technology are bright, with significant advancements on the horizon. Ongoing research and development efforts are focused on optimizing manufacturing processes, exploring new alloy compositions, and expanding the range of applications. As these technologies continue to evolve, tungsten copper alloys will likely play an increasingly important role in meeting the material challenges of tomorrow’s industries.
At MetalsTek, we take great pride in providing top-notch Tungsten copper alloy products that meet the demanding requirements of today’s industries. Our dedication to quality, coupled with our capability to tailor targets to precise sizes and compositions, positions us as the go-to choice for businesses looking to push boundaries and achieve greatness.