Knowledge How Hot Can a Graphite Crucible Get? 4 Key Points Explained
Author avatar

Tech Team · Kintek Solution

Updated 2 weeks ago

How Hot Can a Graphite Crucible Get? 4 Key Points Explained

Graphite crucibles can withstand extremely high temperatures, making them ideal for various high-temperature applications.

These crucibles are perfect for melting metals and conducting chemical analyses.

The maximum temperature a graphite evaporation crucible can withstand is up to 3000 degrees Celsius (5472 degrees Fahrenheit).

Some sources suggest that these crucibles can handle even higher temperatures, up to 5000°F (2760°C).

These crucibles are essential in industries like metallurgy and materials science.

They can handle rapid temperature changes and resist thermal shock.

When purchasing, consider factors such as density, grain size, purity, strength, and thermal shock resistance.

4 Key Points Explained: How Hot Can a Graphite Crucible Get?

How Hot Can a Graphite Crucible Get? 4 Key Points Explained

1. Temperature Resistance

Graphite evaporation crucibles can withstand temperatures up to 3000 degrees Celsius (5472 degrees Fahrenheit).

This high temperature resistance makes them ideal for melting metals like aluminum, copper, and brass.

Some sources indicate that graphite evaporation crucibles can withstand even higher temperatures, up to 5000°F (2760°C).

2. Material Composition and Properties

Graphite crucibles are made from high-purity graphite mixed with refractory materials like clay and other additives.

This combination enhances their durability and thermal properties.

The graphite's high carbon content provides high thermal conductivity and non-wettability.

A directionally oriented matrix enhances thermal shock resistance.

3. Applications in Industry

Graphite crucibles are extensively used in metallurgy, materials science, and chemistry.

They are particularly valued in foundry applications where rapid temperature changes are common.

4. Considerations for Purchasing

When selecting a graphite crucible, consider the specific operational needs.

Crucibles with high density, fine grain size, high purity, and high strength are preferred.

The crucible's resistance to thermal shock is particularly important for applications involving frequent heating and cooling cycles.

Maintenance and Longevity

While graphite crucibles are robust, they can oxidize and erode if exposed to high temperatures for extended periods.

Proper handling and maintenance are essential to prolong their service life.

Using appropriate furnace types and maintaining optimal operational practices can help prevent premature degradation of the crucible.

Understanding these key points is crucial for lab equipment purchasers.

It ensures that the graphite crucibles selected meet the specific high-temperature processing needs of their operations.

Continue exploring, consult our experts

Transform your high-temperature processes with KINTEK SOLUTION's industry-leading graphite crucibles.

Our products offer unmatched temperature resistance, durability, and precision.

Ideal for metallurgy, materials science, and beyond.

Don't settle for less. Discover the perfect crucible for your application today and elevate your lab's performance.

Contact KINTEK SOLUTION to explore our comprehensive range and find the ideal Heating Circulator High temperature constant temperature reaction bath for your unique needs.

Your high-temperature challenges just got simpler.

Related Products

Graphite evaporation crucible

Graphite evaporation crucible

Vessels for high temperature applications, where materials are kept at extremely high temperatures to evaporate, allowing thin films to be deposited on substrates.

Electron Beam Evaporation Graphite Crucible

Electron Beam Evaporation Graphite Crucible

A technology mainly used in the field of power electronics. It is a graphite film made of carbon source material by material deposition using electron beam technology.

Ultra-high temperature graphitization furnace

Ultra-high temperature graphitization furnace

The ultra-high temperature graphitization furnace utilizes medium frequency induction heating in a vacuum or inert gas environment. The induction coil generates an alternating magnetic field, inducing eddy currents in the graphite crucible, which heats up and radiates heat to the workpiece, bringing it to the desired temperature. This furnace is primarily used for graphitization and sintering of carbon materials, carbon fiber materials, and other composite materials.

Alumina (Al2O3) Crucible With Lid Cylindrical Laboratory Crucible

Alumina (Al2O3) Crucible With Lid Cylindrical Laboratory Crucible

Cylindrical Crucibles Cylindrical crucibles are one of the most common crucible shapes, suitable for melting and processing a wide variety of materials, and are easy to handle and clean.

Alumina (Al2O3) Ceramic Crucible For Laboratory Muffle Furnace

Alumina (Al2O3) Ceramic Crucible For Laboratory Muffle Furnace

Alumina ceramic crucibles are used in some materials and metal melting tools, and flat-bottomed crucibles are suitable for melting and processing larger batches of materials with better stability and uniformity.

Large Vertical Graphitization Furnace

Large Vertical Graphitization Furnace

A large vertical high-temperature graphitization furnace is a type of industrial furnace used for the graphitization of carbon materials, such as carbon fiber and carbon black. It is a high-temperature furnace that can reach temperatures of up to 3100°C.

Vertical high temperature graphitization furnace

Vertical high temperature graphitization furnace

Vertical high temperature graphitization furnace for carbonization and graphitization of carbon materials up to 3100℃.Suitable for shaped graphitization of carbon fiber filaments and other materials sintered in a carbon environment.Applications in metallurgy, electronics, and aerospace for producing high-quality graphite products like electrodes and crucibles.

Electron Gun Beam Crucible

Electron Gun Beam Crucible

In the context of electron gun beam evaporation, a crucible is a container or source holder used to contain and evaporate the material to be deposited onto a substrate.

Alumina Crucibles (Al2O3) Covered Thermal Analysis / TGA / DTA

Alumina Crucibles (Al2O3) Covered Thermal Analysis / TGA / DTA

TGA/DTA thermal analysis vessels are made of aluminum oxide (corundum or aluminum oxide). It can withstand high temperature and is suitable for analyzing materials that require high temperature testing.

Alumina (Al2O3) Ceramic Crucible Semicircle Boat  with Lid

Alumina (Al2O3) Ceramic Crucible Semicircle Boat with Lid

Crucibles are containers widely used for melting and processing various materials, and semicircular boat-shaped crucibles are suitable for special smelting and processing requirements. Their types and uses vary by material and shape.

Evaporation Crucible for Organic Matter

Evaporation Crucible for Organic Matter

An evaporation crucible for organic matter, referred to as an evaporation crucible, is a container for evaporating organic solvents in a laboratory environment.

PTFE crucible/with lid

PTFE crucible/with lid

PTFE crucibles, made from pure Teflon, offer chemical inertness and resistance from -196°C to 280°C, ensuring compatibility with a wide range of temperatures and chemicals. These crucibles feature machine-finished surfaces for easy cleaning and prevention of contamination, making them ideal for precise laboratory applications.

Electron Beam Evaporation Coating Conductive Boron Nitride Crucible (BN Crucible)

Electron Beam Evaporation Coating Conductive Boron Nitride Crucible (BN Crucible)

High-purity and smooth conductive boron nitride crucible for electron beam evaporation coating, with high temperature and thermal cycling performance.

Electron Beam Evaporation Coating / Gold Plating / Tungsten Crucible / Molybdenum Crucible

Electron Beam Evaporation Coating / Gold Plating / Tungsten Crucible / Molybdenum Crucible

These crucibles act as containers for the gold material evaporated by the electron evaporation beam while precisely directing the electron beam for precise deposition.

Boron Nitride (BN) Crucible - Phosphorous Powder Sintered

Boron Nitride (BN) Crucible - Phosphorous Powder Sintered

Phosphorus powder sintered boron nitride (BN) crucible has a smooth surface, dense, pollution-free and long service life.


Leave Your Message