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alumina stepped tube
alumina stepped tube

Alumina Stepped Tube

This alumina stepped tube is made from high-purity aluminum oxide (Al₂O₃) with excellent electrical insulation, heat resistance, and corrosion resistance. Its stepped structure provides precise alignment and sealing between parts, ensuring stable performance in demanding applications such as electronic protection tubes, high-temperature gas conduits, and vacuum system components.

  • Excellent Electrical Insulation
  • Outstanding Heat Resistance
  • High Mechanical Strength
  • Precision Fit Design
  • Corrosion & Wear Resistance

Alumina Stepped Tube

The alumina stepped tube is manufactured from ≥99.5% high-purity alumina ceramic through high-temperature sintering and precision machining. Its unique stepped design allows for accurate transitions between different inner and outer diameters, meeting complex assembly requirements. The tube delivers excellent insulation, thermal stability, and mechanical strength, maintaining dimensional precision even under extreme temperatures or corrosive atmospheres.

Advantages of Alumina Stepped Tube

  • High-Purity Material for Reliable Performance: Made from ≥99.5% alumina to ensure superior strength and insulation.
  • Stepped Structure Design: Enables firm and accurate assembly, preventing leakage or misalignment.
  • Excellent Thermal Stability: Performs reliably under continuous operation at temperatures up to 1600°C.
  • High Precision Machining: Dimensional tolerance can be controlled within ±0.01 mm for precision assemblies.
  • Corrosion and Wear Resistance: Suitable for acidic, alkaline, or particle-erosive environments.

Product Applications

  • Electronic component protection and support
  • High-temperature gas or liquid transfer tubes
  • Vacuum systems and analytical instruments
  • Electrical insulation and isolation components
  • Precision mechanical structures

Applicable Industries

  • Semiconductor manufacturing
  • Electrical and electronic equipment
  • Laboratory and vacuum technology
  • Thermal processing and furnace systems
  • Chemical and new material industries

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