Tungsten Crucible

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Tungsten crucibles are essential in high-temperature industrial processes due to their exceptional properties, including an extremely high melting point, resistance to molten metals and metal oxides, and minimal contamination risk.

High-Quality Tungsten & Molybdenum Crucibles by Edgetech Industries LLC
Edgetech Industries LLC specializes in manufacturing premium tungsten (W) and molybdenum (Mo) crucibles, along with high-purity metal components for sapphire crystal growth, rare-earth melting, and high-temperature furnace applications.

Our Product Range Includes:

✔ Crucibles – Round, tapered, square, rectangular, and custom-shaped designs (including body & lid)
✔ Pure Metal Components – Heaters, thermal insulation screens, sheets, supports, and more

Basic information of our pure tungsten crucible

Primary Uses of Tungsten Crucibles:
-Monocrystal Growth – Ideal for growing corundum (sapphire) monocrystals from molten materials.
-Electronics & Thin-Film Deposition – Used in thermal vaporization and coating technologies for precise substance deposition.
-High-Temperature Furnaces – A critical component in extreme-heat environments thanks to tungsten’s superior thermal stability.
-Rare-Earth Metal Melting & Processing – Pure tungsten and molybdenum crucibles are widely used in sapphire crystal growth and rare-earth metal applications due to their durability and performance.

• Round Crucible
• Rectangular Crucible

Dimensions for Round Tungsten crucibles

We can also manufacture pure tungsten products according to customers’ drawings and specific requirements.

Why Choose Tungsten?
-Extreme Heat Resistance – Withstands ultra-high temperatures without deformation.
-Chemical Stability – Resistant to corrosive molten metals and oxides.
-Low Contamination – Ensures purity in sensitive processes like crystal growth.
Tungsten crucibles offer unmatched reliability in advanced manufacturing, electronics, and high-temperature metallurgy.

• Tungsten Crucible & Rod
• Crucible with Lid

Why Choose Edgetech’s Tungsten & Molybdenum Crucibles?
✅ Superior Heat Resistance – Withstands extreme temperatures in sapphire and rare-earth processing
✅ Ultra-Smooth Surface (0.8-1.6 µm roughness) – Ensures easy sapphire extraction, minimizing crystal damage
✅ High Density & Corrosion Resistance – Durable against aggressive molten materials, extending crucible lifespan
✅ Optimized for Kyropoulos Process – Pressed-sintered crucibles enhance sapphire yield and quality

Key Benefits for Sapphire Growth:
Smooth Surface = Higher Yield – Prevents crystal sticking and crucible damage during extraction
Corrosion-Resistant – Resists degradation from molten sapphire, ensuring long-term reliability
Cost-Effective & Reusable – Durable construction maximizes operational efficiency
Trust Edgetech Industries for high-performance tungsten and molybdenum crucibles that deliver precision, durability, and efficiency in the most demanding high-temperature environments.

• H-shaped Crucible
• Crucible with Different ODs

Tungsten crucibles play a vital role in high-temperature and high-precision industrial processes due to their exceptional heat resistance, chemical inertness, and durability. Here are the key applications:

1. Semiconductor Manufacturing
Tungsten crucibles are ideal for crystal growth processes, where they safely melt and contain high-purity materials for semiconductor production. Their non-reactive nature ensures contamination-free results.

2. Metallurgy
In high-temperature alloy and metal processing, tungsten crucibles provide a stable, inert environment for melting and casting, maintaining material integrity under extreme heat.

3. Chemical Processing
These crucibles withstand highly corrosive chemicals and molten salts, making them essential for chemical synthesis, refining, and purification where durability and resistance are critical.

4. Glass Manufacturing
Tungsten crucibles offer a contamination-free environment for melting and shaping glass, ensuring high-quality optical and specialty glass production.

5. Thin Film Deposition (PVD & CVD)
Used in Physical Vapor Deposition (PVD) and Chemical Vapor Deposition (CVD), tungsten crucibles help produce high-performance thin films  for semiconductors, optics, and aerospace coatings.

6. Laboratory & Research
For high-temperature experiments, material synthesis, and chemical reactions, tungsten crucibles provide a reliable, inert container, ensuring precision and safety in research settings.

Packing of pure tungsten metal parts

Tungsten metal products are fragile and heavy; careful handling is needed. The standard package for goods is a wooden crate so that the materials can be protected during handling and transportation. Carton is also used for small crucible sets.

• Crucible Packing
• Tungsten Packing

Other Related products

Furnace system parts                        Tantalum crucible                   Niobium crucible

• Molybdenum Crucibles
• Tungsten Tubes

Contact us at sales@edge-techind.com for any inquiries and questions on tungsten products. We provide tailor-made parts according to your drawings, including rectangular & square crucible.