Mkube Tungsten Crucible | Cylindrical, Boat & Lidded Units
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Tungsten Crucibles

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Product Description

Tungsten Crucibles – High-Density Crucibles for Extreme Temperature Applications

M-Kube Enterprise  LLC offers high-performance tungsten crucibles engineered for the most demanding thermal environments. Known for their exceptional melting point (~3422°C), superior thermal conductivity, and chemical inertness, our tungsten crucible products are trusted in crystal growth, metal processing, vacuum coating.

As a leading tungsten crucibles supplier in the USA, we deliver precision components that perform reliably in high-vacuum and high-temperature applications.

Technical Specifications: Tungsten Crucibles

Property Specification
Material Pure Tungsten (≥99.95% Purity)
Density 19.3 g/cm³
Melting Point 3422°C
Boiling Point 5555°C
Thermal Conductivity 173 W/m·K at 20°C
Electrical Conductivity 1.79 × 10⁶ S/m
Tensile Strength 550 – 1000 MPa (Varies by Processing)
Elongation 10 – 30%
Hardness (HV) 350 – 460 HV
Oxidation Resistance Requires Protective Atmosphere Above 500°C
Available Dimensions Customization requirements can be reviewed based on customer’s drawings/ request
Surface Finish Black, Polished, or Ground
Processing Methods Sintering, Swaging, Forging, Machining

Commodity Tungsten Standard GB/T 4181-1997
Grade Size Chemical Components (≤%)
W-1   W Fe Ni Al Ca Si Bi Mg Ti Mo P
≥99.95 0.0015 0.001 0.0005 0.0005 0.0006 0.0006 0.0005 0.0006 0.001 0.0006
C O Sb Cu              
0.0005 0.001 0.0004 0.0005              
Physical Property
Density (g/cm3) ≥19.15

Cylindrical Tungsten Crucibles & Custom Forms

We supply both standard and cylindrical tungsten crucibles as well as custom-shaped crucibles such as tungsten boat crucibles, square styles, and deep-formed vessels. All are fabricated from high-purity tungsten (>99.95%) to ensure strength, stability, and durability in harsh operating conditions.

Available features:

  •  High-density, low-porosity tungsten construction
  •  Cylindrical, boat, and round-bottom designs
  •  Options for tungsten crucible with lid to prevent contamination
  •  Excellent corrosion and erosion resistance
  •  Customizable wall thickness, dimensions, and coatings

We can manufacture based on your drawings or material specs to ensure seamless integration into your furnace or crystal puller system.

Why Use Tungsten Crucibles in High-Temp Processing?

Tungsten crucibles offer exceptional advantages when working with materials that require ultra-high temperatures and reactive atmospheres:

  •  Ultra-high melting point and stability in vacuum or inert gas
  •  Excellent resistance to molten metals and aggressive gases
  •  Minimal contamination of sample materials
  •  Outstanding thermal shock resistance
  •  Reusability for high-volume and precision operations

Applications include sapphire crystal growth, sintering, rare earth processing, vacuum evaporation, and zone refining.

Applications of Tungsten Crucibles Across the USA Market

Our tungsten crucible products serve a broad range of industries across the United States:

  • Crystal pulling (e.g., sapphire, YAG, silicon carbide)
  • Vacuum evaporation and PVD coating
  • Metal melting and alloy processing
  • Semiconductor wafer fabrication
  • High-temperature lab and R&D equipment

Need bulk quantities or a unique form? As a reliable tungsten boats supplier, M-Kube Enterprise LLC supports your prototyping and production needs.

Quality and Compliance

At M-Kube Enterprise LLC, all our ceramic and refractory products are manufactured in ISO-certified facilities with the capability to meet and comply with ASTM, ISO, and other international standards. This ensures every product delivers consistent quality, reliability, and performance, whether you require standard parts or fully customized solutions.

Why Customers Choose M-Kube as Their Tungsten Crucible Supplier?

M-Kube Enterprise LLC is a top-tier tungsten crucible supplier trusted by engineers, researchers, and procurement teams across the USA for:

  •  High-purity tungsten products with exacting quality standards
  •  A wide range of standard and tungsten crucible with lid options
  •  Fast delivery and responsive technical support
  •  Competitive tungsten crucible price with volume-based discounts
  •  OEM and custom fabrication for critical applications

Get a Quote on Tungsten Crucibles Today

Looking for durable, high-temperature tungsten crucibles or tungsten boat crucibles?  M-Kube Enterprise LLC delivers precision-built solutions for US laboratories and manufacturing systems.

📞 Call +1-732-808-1999
📧 Email info@mkubeenterprise.com
request specifications, get a tungsten crucible price quote, or speak with our tungsten experts.

Product FAQ's

What types of tungsten crucible products are available?

There are several styles to suit different processes:

  • Cylindrical tungsten crucibles: The most common shape for vertical furnaces and Czochralski crystal pulling.
  • Tungsten boat crucibles: Thin, trough-like shapes used in vacuum coating and evaporation.
  • Tungsten crucible with lid: Helps minimize contamination and heat loss during sensitive processing.

What is the typical tungsten crucible price?

Tungsten crucible price depends on:

  • Size & wall thickness (heavier crucibles cost more)
  • Purity level (often >99.95% for critical applications)
  • Quantity ordered (bulk orders usually lower per-unit costs)
  • Additional machining like lids, flanges, or special profiles

Why should I choose a tungsten crucible over other materials?

  • Ultra-high temperature capability: With a melting point over 3400°C, tungsten can handle processes that would melt molybdenum or graphite containers.
  • Low contamination: Tungsten has very low vapor pressure and doesn’t easily react, maintaining purity of melts or crystal growth.
  • Excellent dimensional stability: Minimal deformation under load at extreme temperatures.

Can I get a custom cylindrical tungsten crucible?

Yes. Many tungsten crucibles suppliers offer custom machining services, including:

  • Specific diameters & heights
  • Variable wall thickness
  • Integrated flanges or lids
     This is common for single crystal growth or sapphire growth (KY & CZ methods).

How do I clean or handle tungsten crucibles?

Tungsten is generally cleaned with dry wiping, vacuum baking, or gentle plasma cleaning. Avoid acids like hydrofluoric, which can react with tungsten oxides. Also, handle carefully to prevent dents or micro-cracks, as tungsten is dense but somewhat brittle.

How can I find reliable tungsten crucibles suppliers?

Look for tungsten crucible suppliers that:

  • Specialize in refractory metals and have certification for semiconductor quality.
  • Offer a range of tungsten crucible products, including custom sizes, tungsten crucibles with lids, or special shapes.
  • Can provide material certificates and inspection reports.
  • Also act as a tungsten boats supplier, if you need multiple tungsten product types for your process.

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