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300KG Fire clay crucible for copper and aluminium

Short Description:

Clay Graphite Crucibles are a blend of clay and graphite, known for their superior high-temperature resistance, making them ideal for metal casting processes. This combination offers a balance between cost-effectiveness and performance, making these crucibles a popular choice in various industries, including aluminum and non-ferrous metal casting. Compared to other materials like silicon carbide, Clay Bonded Graphite Crucibles provide a more affordable option without compromising on quality.


Product Detail

FAQ

Product Tags

Faster Heat Conduction · Longer Service Life

Premium Thermal Shock Resistant Graphite Crucible

PRODUCT FEATURES

Rapid Melting

High thermal conductivity graphite material improves thermal efficiency by 30%, significantly reducing melting time.

graphite crucibles
graphite crucbiles

Superior Thermal Shock Resistance

Resin-bonded technology withstands rapid heating and cooling, allowing direct charging without cracking.

Exceptional Durability

High mechanical strength resists physical impact and chemical erosion for a longer service life.

grapthite crucibles

TECHNICAL SPECIFICATIONS

 

Graphite / % 41.49
SiC / % 45.16
B/C / % 4.85
Al₂O₃ / % 8.50
Bulk density / g·cm⁻³ 2.20
Apparent porosity / % 10.8
Crushing strength/ MPa (25℃) 28.4
Modulus of rupture/ MPa (25℃) 9.5
Fire resistance temperature/ ℃ >1680
Thermal shock resistance / Times 100

 

No Model H OD BD
RA100 100# 380 330 205
RA200H400 180# 400 400 230
RA200 200# 450 410 230
RA300 300# 450 450 230
RA350 349# 590 460 230
RA350H510 345# 510 460 230
RA400 400# 600 530 310
RA500 500# 660 530 310
RA600 501# 700 530 310
RA800 650# 800 570 330
RR351 351# 650 420 230

 

PROCESS FLOW

Precision Formulation

1. Precision Formulation

High-purity graphite + premium silicon carbide + proprietary binding agent.

.

Isostatic Pressing

2.Isostatic Pressing

Density up to 2.2g/cm³ | Wall thickness tolerance ±0.3m

.

High-Temperature Sintering

3.High-Temperature Sintering

SiC particle recrystallization forming 3D network structure

.

Rigorous Quality Inspection

5. Rigorous Quality Inspection

Unique tracking code for full lifecycle traceability

.

Surface Enhancement

4.  Surface Enhancement

Anti-oxidation coating → 3× improved corrosion resistance

.

Safety Packaging

6. Safety Packaging

Shock-absorbent layer + Moisture barrier + Reinforced casing

.

PRODUCT APPLICATION

Suitable for most non-ferrous metals

melting aluminium

Melt Aluminium

melting copper

Melt Copper

melting gold

Melt Gold

WHY CHOOSE US

Why Partner with Us?

When you choose us, you get more than a product—you get a partner.

  • Expertise: Decades of experience in the foundry industry.
  • Customization: Tailored solutions to meet your specific needs.
  • Support: From selection to installation, we’re with you every step of the way.

Clay Graphite Crucible Overview:

Clay Graphite Crucibles are a blend of clay and graphite, known for their superior high-temperature resistance, making them ideal for metal casting processes. This combination offers a balance between cost-effectiveness and performance, making these crucibles a popular choice in various industries, including aluminum and non-ferrous metal casting. Compared to other materials like silicon carbide, Clay Bonded Graphite Crucibles provide a more affordable option without compromising on quality.

2. Key Features and Advantages:

  • High Temperature Resistance: Clay Graphite Crucibles can withstand temperatures up to 1,400°C, allowing them to handle the intense heat required for melting metals like aluminum, copper, and brass.
  • Thermal Conductivity: The unique blend of clay and graphite ensures rapid heat transfer, improving efficiency and reducing energy consumption in the melting process.
  • Oxidation and Corrosion Resistance: These crucibles resist oxidation and chemical wear, significantly extending their lifespan, especially in industrial environments that involve exposure to corrosive materials.
  • Durability: Designed to endure repeated heating and cooling cycles, Clay Graphite Crucibles maintain their structural integrity and performance over extended use, providing a more cost-effective solution.

3. Customization for Industrial Needs:

Our Clay Graphite Custom Crucibles are designed to meet the specific needs of each client. Whether you require a specific size or shape for your furnace, we tailor our products to ensure they fit seamlessly into your existing casting equipment. This ensures the highest level of efficiency and durability, especially for aluminum and other non-ferrous metal melting processes.

4. Applications of Clay Graphite Crucibles:

  • Aluminum Casting: These crucibles are perfect for melting aluminum due to their thermal stability and resistance to cracking under high temperatures.
  • Jewelry and Precious Metals: For industries that require precision, such as jewelry casting, Clay Graphite Crucibles provide the necessary control over the molten metal’s temperature and consistency.
  • Laboratory Settings: Ideal for prototyping and experimental use, these crucibles are popular in research institutions that need a reliable, high-performance melting solution.

5. Comparison with Other Crucible Materials:

While silicon carbide clay crucibles offer excellent thermal conductivity and high-temperature resistance, they come at a higher price. On the other hand, Clay Graphite Crucibles provide a more balanced solution between performance and cost, particularly in industries where cost efficiency is critical.

6. Best Practices for Using Clay Graphite Crucibles:

To extend the lifespan of your crucibles, it’s crucial to follow proper care procedures. Regularly cleaning the crucible after each use, avoiding direct exposure to flames, and managing temperatures effectively will help reduce wear and prolong service life. When properly maintained, Clay Graphite Casting Crucibles can provide consistent, high-quality performance for many melting cycles.


Call to Action

Clay Graphite Crucibles offer a perfect combination of durability, high thermal performance, and cost-effectiveness, making them the go-to choice for industries involved in aluminum and non-ferrous metal casting. Whether you're looking for standard or custom designs, our range of Clay Graphite Custom Crucibles will meet the most demanding industrial requirements.

Explore our full selection of crucibles today and contact us for personalized solutions that match your casting needs.

graphite crucibles

FAQS

Q1: Can The Crucible Cover reduce energy costs?
A: Absolutely! It reduces heat loss, cutting energy consumption by up to 30%.

Q2: What furnaces are compatible?
A: It’s versatile—suitable for induction, gas, and electric furnaces.

Q3: Is graphite silicon carbide safe for high temperatures?
A: Yes. Its thermal and chemical stability makes it perfect for extreme conditions.

 Q4: How to prevent crucible cracking?

Never charge cold material into a hot crucible (max ΔT < 400°C).

Cooling rate after melting < 200°C/hour.

Use dedicated crucible tongs (avoid mechanical impact).

Q5: How to prevent crucible cracking?

Never charge cold material into a hot crucible (max ΔT < 400°C).

Cooling rate after melting < 200°C/hour.

Use dedicated crucible tongs (avoid mechanical impact).

Q6: What is the minimum order quantity (MOQ)?

Standard Models: 1 piece (samples available).

Custom Designs: 10 pieces (CAD drawings required).

Q7: What is the lead time?
⏳ In-Stock Items: Ships within 48 hours.
⏳ Custom Orders: 15-25 days for production and 20 days for mould.

Q8: How to determine if a crucible has failed?

Cracks > 5mm on inner wall.

Metal penetration depth > 2mm.

Deformation > 3% (measure outer diameter change).

Q9: Do you provide melting process guidance?

Heating curves for different metals.

Inert gas flow rate calculator.

Slag removal video tutorials.

Case Study #1

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Case Study #2

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Testimonials

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- Jane Doe

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- John Doe

Schedule a Consultation Now!

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