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Aluminium Melting graphite crucible max to 2 tons

Short Description:

Discover the high-performance melting graphite crucible with superior crack resistance, excellent thermal conductivity, and extended durability. Save energy and boost productivity with our advanced silicon carbide graphite crucibles.


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

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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?

Introduction:

Are you struggling with frequent replacements, high energy consumption, or poor performance in your metal smelting operations? Our melting graphite crucible made of isostatically pressed silicon carbide graphite is the ideal solution to enhance your efficiency and productivity. Say goodbye to cracking, dissolution loss, and oxidation issues with ordinary graphite crucibles, and upgrade to a product designed for industrial durability and energy savings.

Melting Graphite Crucible size

Material: Silicon Carbide Graphite – Performance You Can Rely On

Our crucibles are made from silicon carbide graphite, a material renowned for its:

  • Superior Crack Resistance: Able to withstand sudden temperature changes without breaking, unlike conventional graphite crucibles.
  • Corrosion Resistance: Resistant to molten metals and harsh chemicals, maintaining structural integrity over time.
  • Oxidation Resistance: Extended service life due to high resistance to oxidation in high-temperature environments.

By utilizing isostatic pressing, we ensure that every crucible is free from internal defects and uniform in density, providing the strength needed for demanding industrial applications.


Performance and Features:

Our melting graphite crucible is designed to surpass the limitations of traditional graphite products. Here are the key performance features:

  • Excellent Crack Resistance: Withstand rapid temperature changes and mechanical stresses, reducing the likelihood of cracking and breakage.
  • Dissolution Loss Resistance: Ensures minimal material loss even when working with highly reactive metals.
  • Oxidation Resistance: Extended service life even in high-temperature, oxygen-rich environments.

Energy Efficiency and Cost Savings:

Our silicon carbide graphite crucible is designed with efficiency in mind. Its high thermal conductivity allows for rapid and uniform heat distribution, shortening the melting time and saving up to 1/3 of energy compared to ordinary crucibles.

Not only does this reduce operational costs, but it also makes the smelting process more environmentally friendly by lowering overall energy consumption.

Long Service Life and Durability:

We back our product with a 6-month guarantee when used under recommended conditions, offering peace of mind and long-lasting durability. The advanced materials used in our crucibles extend their service life significantly, reducing the need for frequent replacements and ensuring that your operations run smoothly.


Boost Productivity and Efficiency:

By reducing downtime associated with crucible replacements and minimizing energy costs, our melting graphite crucible helps streamline your operations, leading to increased productivity. The crucible’s resilience to cracking, oxidation, and corrosion ensures that it can withstand even the most demanding industrial conditions.


Customization Options:

We understand that every smelting operation has unique needs. That's why our melting graphite crucible is available in various sizes and shapes, ensuring compatibility with a wide range of furnaces. Whether you're working with aluminum, copper, or other non-ferrous metals, we offer tailored solutions to meet your specific requirements.

graphite crucibles

FAQS

Q1: What are the advantages of silicon carbide graphite crucibles compared to traditional graphite crucibles?

✅ Higher Temperature Resistance: Can withstand 1800°C long-term and 2200°C short-term (vs. ≤1600°C for graphite).
✅ Longer Lifespan: 5x better thermal shock resistance, 3-5x longer average service life.
✅ Zero Contamination: No carbon penetration, ensuring molten metal purity.

Q2: Which metals can be melted in these crucibles?
▸ Common Metals: Aluminum, copper, zinc, gold, silver, etc.
▸ Reactive Metals: Lithium, sodium, calcium (requires Si₃N₄ coating).
▸ Refractory Metals: Tungsten, molybdenum, titanium (requires vacuum/inert gas).

Q3: Do new crucibles require pre-treatment before use?
Mandatory Baking: Slowly heat to 300°C → hold for 2 hours (removes residual moisture).
First Melt Recommendation: Melt a batch of scrap material first (forms a protective layer).

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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