Induction furnace crucible can be Magnetic field Inductive

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Our Induction Furnace Crucibles are specially designed for high-efficiency melting applications. Made from high-quality silicon carbide and graphite, these crucibles provide superior thermal conductivity and durability, making them ideal for induction furnace environments.

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Crucible Quality

Withstands Myriad Smelts

PRODUCT FEATURES

Superior Thermal Conductivity

The unique blend of silicon carbide and graphite ensures rapid and uniform heating, significantly cutting down on melting time.

Extreme Temperature Resistance

The unique blend of silicon carbide and graphite ensures rapid and uniform heating, significantly cutting down on melting time.

Durable Corrosion Resistance

The unique blend of silicon carbide and graphite ensures rapid and uniform heating, significantly cutting down on melting time.

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	O D	H	ID	BD
78	IND205	330	505	280	320
79	IND285	410	650	340	392
80	IND300	400	600	325	390
81	IND480	480	620	400	480
82	IND540	420	810	340	410
83	IND760	530	800	415	530
84	IND700	520	710	425	520
85	IND905	650	650	565	650
86	IND906	625	650	535	625
87	IND980	615	1000	480	615
88	IND900	520	900	428	520
89	IND990	520	1100	430	520
90	IND1000	520	1200	430	520
91	IND1100	650	900	564	650
92	IND1200	630	900	530	630
93	IND1250	650	1100	565	650
94	IND1400	710	720	622	710
95	IND1850	710	900	625	710
96	IND5600	980	1700	860	965

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PROCESS FLOW

1. Precision Formulation

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

2.Isostatic Pressing

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

3.High-Temperature Sintering

SiC particle recrystallization forming 3D network structure

4. Surface Enhancement

Anti-oxidation coating → 3× improved corrosion resistance

5. Rigorous Quality Inspection

Unique tracking code for full lifecycle traceability

6. Safety Packaging

Shock-absorbent layer + Moisture barrier + Reinforced casing

PRODUCT APPLICATION

Gas Melting Furnace

Induction Melting Furnace

Resistance Melting Furnace

WHY CHOOSE US

High Thermal Conductivity: Ensures efficient heat transfer, reducing energy consumption during melting processes.
Excellent Resistance to Thermal Shock: The crucible can withstand rapid temperature changes without cracking, ensuring a long service life.
Strong Mechanical Strength: Capable of handling heavy loads of molten metals like steel, copper, aluminum, and more.
Corrosion Resistance: Resistant to chemical reactions and oxidation, ensuring clean and uncontaminated metal production.
Precise Design for Induction Furnaces: The shape and material composition are optimized for induction heating, ensuring uniform melting and reducing energy loss.
- Cost-effective: Long-lasting and durable, reducing the frequency of replacements.
- Energy-efficient: Quick heat-up times due to excellent thermal conductivity.
- Safe and Reliable: Withstands high temperatures and mechanical stress, offering a safer working environment.Choose our Induction Furnace Crucibles for consistent, reliable, and efficient metal melting. Whether you are working in casting, foundries, or metal refining, our crucibles deliver top performance every time.
- Technical Support: Our professional technical team provides support and solutions to ensure the optimal use of our products.
- Environmental awareness: We are committed to using environmentally friendly materials and production processes to minimize our impact on the environment and contribute to sustainable development.
- With our high-quality aluminum smelting crucibles, you get reliable smelting solutions that increase production efficiency, reduce costs, and achieve more sustainable production.

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.