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Metal Melting Crucible Melting Aluminum for Casting
PRODUCT FEATURES
Rapid Melting
High thermal conductivity graphite material improves thermal efficiency by 30%, significantly reducing melting time.
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.
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
1. Precision Formulation
High-purity graphite + premium silicon carbide + proprietary binding agent.
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2.Isostatic Pressing
Density up to 2.2g/cm³ | Wall thickness tolerance ±0.3m
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3.High-Temperature Sintering
SiC particle recrystallization forming 3D network structure
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5. Rigorous Quality Inspection
Unique tracking code for full lifecycle traceability
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4. Surface Enhancement
Anti-oxidation coating → 3× improved corrosion resistance
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6. Safety Packaging
Shock-absorbent layer + Moisture barrier + Reinforced casing
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PRODUCT APPLICATION
Suitable for most non-ferrous metals
Melt Aluminium
Melt Copper
Melt Gold
WHY CHOOSE US
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:Are you certified by any professional organizations?
Our company boasts an impressive portfolio of certifications and affiliations within the industry. This includes our ISO 9001 certifications, which demonstrate our commitment to quality management, as well as our membership in several esteemed industry associations.
Q8:What is graphite carbon crucible?
Graphite carbon crucible is a crucible designed with high thermal conductivity material and advanced isostatic pressing molding process, which has efficient heating capacity, uniform and dense structure and rapid heat conduction.
Q9: What if I only need a few silicon carbide crucibles and not a large quantity?
We can fulfill orders of any quantity for silicon carbide crucibles.
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






