Menu
Compare E-beam liners, cylindrical crucibles and drawing-based configurations. Send the model or OD, ID, height, wall thickness and operating conditions for a specification review.
Standard model: send the ECW code and quantity from the table. Custom crucible: provide OD, ID, height, wall and base thickness, lid, spout, material/purity, quantity and drawing.
Specify charge material, peak temperature, dwell time, vacuum or gas atmosphere, heating/cooling cycle and support arrangement. Machined/forged, sintered and deposited parts require different material-state and inspection reviews.
Dimensional confirmation: The catalog retains original mm/inch values. Where conversions disagree (for example ECW-06: 24.8 mm versus 0.94 in), confirm the controlling dimension on the drawing before ordering. The cylindrical size bands describe a separate configuration range.
Start with a catalog E-beam model or a cylindrical size range below. For a custom shape, lid or spout, supply a drawing and process conditions. Confirm material grade, purity basis, manufacturing route and inspection requirements for the selected configuration.
Material: Tungsten, W 99.95%
Shape: Arc, Square, Rectangle, Cylinder, Boat
Outer Diameter: ≤200mm / Height: ≤500mm
Deposition thickness: ≤10mm
Standard Capacities: 1mL ~ 40mL, Can be Customized
>Custom sizes are available upon request.
>Recommended for chrome evaporation.
>Refractory metal crucibles can be good alternatives to other carbon-based crucibles where there are concerns about trace carbon contamination.
Material: Tungsten, W≥99.95% (confirm the selected grade)
Published density: ≥18.2 g/cm³; surface: Ra≤1.6 (unit and acceptance basis to be confirmed).
Production options listed in this catalog: sintered or forged stock with subsequent machining. The previous OD 70 mm split is a selection guide, not a universal process rule.
Published 2,400°C operating figure requires application review; it is not a blanket service rating. Specify atmosphere, loading and temperature cycle.
Custom dimensions; with or without lid subject to drawing review.
Material: Tungsten or a specified tungsten alloy; confirm exact chemistry.
The previously published custom purity span of 99%–99.9999% covers different proposed material/process routes and requires separate verification; it is not a standard purity promise.
Published envelope: OD ≤200 mm; height ≤500 mm; deposition thickness ≤10 mm where applicable. Larger cylindrical catalog ranges below belong to different configurations.
Provide a drawing for tailored shape, wall, base, lid, spout and interface review.
| Outer Diameter (mm) | Wall Thickness (mm) | Height (mm) |
|---|---|---|
| 10 ~ 30 | 1.0 ~ 3 | 20 ~ 50 |
| 30 ~ 50 | 2~ 10 | 20 ~ 100 |
| 50 ~ 100 | 3 ~ 15 | 30 ~ 150 |
| 100 ~ 150 | 3 ~ 15 | 30 ~ 500 |
| 150 ~ 200 | 5 ~ 20 | 30 ~ 500 |
| 200 ~ 300 | 8 ~ 20 | 30 ~ 500 |
| 300 ~ 400 | 8 ~ 30 | 40 ~ 500 |
| 400 ~ 450 | 8 ~ 30 | 50 ~ 500 |
| 450 ~ 620 | 8~ 30 | 50 ~ 500 |
| Shape and size can be tailored. Rectangular tungsten crucible is available. | ||
Tungsten crucibles are considered for crystal growth, evaporation and selected high-temperature processing. Melting point is a material reference and does not define a usable crucible temperature. Review atmosphere, charge chemistry, thermal cycle, mechanical support and contamination limits.
Sintered, forged/machined and deposited configurations are distinct manufacturing routes. The earlier CVD figures (98.5% theoretical density and 99.9999% purity) require process-specific confirmation; they do not apply across the catalog. The route and accepted properties must be stated in the quotation and inspection requirements.
Tungsten crucibles find versatile applications across various industries due to their unique properties. Here are some common applications of tungsten crucibles:
Our Tungsten Crucibles are clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.
The engineering notes below explain how geometry, manufacturing route, material condition and operating environment affect selection. They supplement the catalog tables and do not imply that all crucibles share one lifetime, purity or operating-temperature rating.
A tungsten crucible is a specialized container crafted from tungsten, known for its exceptional properties, particularly its high melting point, which is the highest of all metals at 3422°C (6192°F). This makes tungsten crucibles incredibly valuable for industries and applications that require materials to be heated to extreme temperatures. Their ability to withstand such conditions without melting, deforming, or contaminating the contents makes them essential in various high-tech, scientific, and industrial processes.
Tungsten itself is a dense, hard metal with excellent thermal and electrical conductivity, and remarkable resistance to corrosion and wear. These properties are critical because they allow the crucible to perform under stressful conditions, including high heat, corrosive environments, and mechanical wear. The material’s high density and mechanical strength also contribute to its effectiveness in containing heavy or aggressive substances securely.
The main appeal of tungsten crucibles lies in their performance in high-temperature applications, where lesser materials would fail. They are used extensively in fields such as semiconductor manufacturing, metallurgy, and materials science, especially for tasks like melting rare metals, growing crystals for electronics and optics, and performing heat-based chemical reactions and analyses.
Overall, tungsten crucibles represent a pinnacle of material engineering, combining durability, efficiency, and purity to meet the demands of cutting-edge technological processes. They are an indispensable tool for researchers and industries pushing the limits of what’s possible with modern materials technology.
Tungsten offers a high melting point and thermal stability useful for selected crucible designs. Actual dimensional stability depends on geometry, support, temperature and material condition. Charge/crucible compatibility and contamination must be assessed for the specific process; chemical inertness is not universal.
Tungsten crucibles are designed to meet the specific requirements of various high-temperature processes, making them indispensable in several advanced applications. Depending on the specific use and the unique demands of each application, different types of tungsten crucibles are utilized. Here’s a look at some of the design categories discussed in engineering literature; supply and processing details for specialized cleaned, reinforced or deposited variants require confirmation:
These are the most commonly used tungsten crucibles and are typically cylindrical in shape. Standard tungsten crucibles are used in a wide range of applications from melting metals and alloys to chemical analysis. Their robustness and high melting point make them suitable for general purposes in laboratories and industrial settings.
E-beam crucibles are specifically designed for use in electron beam evaporation systems. These systems are crucial in the thin film deposition processes used in the manufacturing of semiconductors and solar panels. E-beam crucibles often have a more complex design to accommodate the precise requirements of electron beam targeting and evaporation rates, ensuring efficient and uniform material deposition.
For specific applications, tungsten crucibles can be custom-made to various shapes and sizes. This customization allows them to fit perfectly within particular equipment or to optimize the performance for specific processes. For example, crucibles tailored for growing sapphire crystals for LED applications may have unique geometries that optimize the heat distribution and material handling.
These crucibles are made from denser tungsten to provide additional strength and durability. High-density tungsten crucibles are particularly useful in processes that require exceptional thermal conductivity and robustness, such as in high-temperature sintering or melting of particularly abrasive or corrosive materials.
For applications requiring extremely high purity, such as certain chemical reactions or materials processing in the semiconductor industry, crucibles can undergo special chemical cleaning processes. Cleaning acceptance and residual contamination limits must be agreed for the process.
In some extreme cases, tungsten crucibles are reinforced with other materials to enhance their performance. This might include coatings or linings of other refractory metals that can provide additional resistance to chemical attack or thermal shock.
Each type of tungsten crucible is designed with a specific set of applications in mind, reflecting the diversity of requirements in various fields that rely on high-performance materials under challenging conditions. The choice of a particular type of tungsten crucible depends on factors such as temperature requirements, chemical exposure, and physical stress levels, ensuring that the crucible can perform optimally within its intended environment.
Tungsten crucibles offer a combination of outstanding properties that make them indispensable in various high-technology, industrial, and scientific applications. Here’s a detailed look at what tungsten crucibles are used for, along with their key advantages.
Choosing the right tungsten crucible for your specific application involves understanding several key factors that affect performance, durability, and cost-effectiveness. Here’s a detailed guide to help you make an informed decision:
By carefully considering these factors, you can choose a tungsten crucible that meets your needs effectively, ensuring optimal performance and durability in your high-temperature applications.
Despite their advantages, tungsten crucibles present challenges such as their high cost and the difficulty in machining due to their hardness. Proper maintenance can help extend their lifespan, avoiding rapid temperature changes to prevent thermal shock, and handling with care during installation are critical for maximizing their use.
For a quotation, identify the catalog model or provide a drawing, material grade and purity, OD/ID, height, wall/base thickness, lid or spout details, quantity and operating conditions. Manufacturing route, inspection scope and any exceptional purity or finish requirement are confirmed for the individual design.