Single Port Alumina Ceramic Beams With Exceptional Mechanical Strength For High-Temperature
Single-Port Alumina Ceramic Beams With Exceptional Mechanical Strength For High-Temperature Applications
The alumina single-hole ceramic beam is precision-engineered using high-purity alumina (Al₂O₃≥95%) through advanced ceramic forming processes. Featuring a unique single-hole structural design, this product delivers exceptional mechanical strength while maintaining excellent thermal conductivity and gas permeability. Specifically designed for high-temperature industrial applications, it serves as an ideal replacement for traditional metal beams.
Primary Applications
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High-temperature kilns: Load-bearing components for tunnel kilns and roller hearth kilns
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Heat treatment equipment: Support structures for quenching furnaces and annealing furnaces
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Chemical processing equipment: Support components for reactors and drying towers in corrosive environments
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Electronics industry: High-temperature resistant frames for semiconductor manufacturing equipment
Product Advantages
✓ Ultra-high purity: Al₂O₃ content ≥95% ensures superior performance
✓ Temperature resistance: Continuous service temperature up to 1600°C
✓ Mechanical strength: Flexural strength ≥280MPa, compressive strength ≥2000MPa
✓ Thermal stability: Low thermal expansion coefficient (7.2×10⁻⁶/°C) with excellent thermal shock resistance
✓ Corrosion resistance: Withstands acid/alkali corrosion with extended service life
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | High-purity alumina (Al₂O₃≥95%) |
| Density | 3.6-3.9g/cm³ |
| Flexural Strength | ≥280MPa |
| Compressive Strength | ≥2000MPa |
| Maximum Service Temperature | 1600°C |
| CTE | 7.2×10⁻⁶/°C |
| Single-Hole Diameter | 30-150mm (customizable) |
| Standard Length | 500-3500mm |
Manufacturing Process
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Material preparation: Fine grinding of high-purity alumina powder
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Forming process: Isostatic pressing or slip casting
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High-temperature sintering: Controlled atmosphere sintering at 1650-1750°C
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Precision machining: CNC grinding process
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Quality inspection: 100% X-ray inspection and strength testing
Usage Guidelines
⚠️ Installation: Use ceramic-specific spacers to avoid direct metal contact
⚠️ Temperature control: Recommended heating rate ≤5°C/min
⚠️ Load limitations: Never exceed rated load capacity
⚠️ Maintenance: Regular surface inspection and carbon deposit removal
After-Sales Service
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Technical support: Free installation guidance
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Customization: Accepts non-standard dimensions and special requirements
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Emergency response: 24-hour technical consultation
FAQ
Q: What is the maximum service temperature?
A: Continuous service at 1600°C, short-term exposure up to 1700°C.
Q: Precautions for use in reducing atmospheres?
A: Recommended for oxidizing atmospheres; reducing environments require special treatment.
Q: How to handle beam fracture?
A: Immediately discontinue use and contact technical support for failure analysis.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


