Silicon Carbide Tubes (SiC Ceramic Tubing)

Premium SiC Tubing for Harsh Environments

Our silicon carbide tubes (also known as SiC ceramic tubing) are precision-engineered for extreme service conditions. Combining outstanding mechanical strength, thermal stability, and chemical resistance, these tubes excel where conventional metal or ceramic piping fails.

Outstanding Material Properties

  • Exceptional Hardness & Wear Resistance
    SiC ceramic exhibits near-diamond hardness, giving superb resistance to abrasion and erosion.
  • Excellent Thermal Conductivity & Stability
    With strong heat conduction and low expansion characteristics, our tubes maintain dimensional stability, even under thermal shock.
  • Corrosion & Oxidation Resistance
    They resist attacks from acids, alkalis, molten salts, and oxidizing environments.
  • High Temperature Capability
    Depending on formulation, they perform reliably at temperatures exceeding 1500 °C.
  • Self-Lubricating Surface (in Some Grades)
    Some SiC tube grades offer reduced friction characteristics, beneficial in dynamic applications.

Available SiC Tube Types

We offer three primary grades of silicon carbide tubing to match diverse application needs:

Grade

Highlights

Sintered SiC

Highest density and mechanical strength; ideal for heavy-duty applications

Reaction-Bonded (RB-SiC)

Cost-effective, good balance between toughness and affordability

Recrystallized (R-SiC)

Ultra-pure, ideal for demanding chemical or semiconductor environments

Each variant offers trade-offs in toughness, porosity, thermal conductivity, and cost, enabling you to choose the ideal one for your specific use.

Typical Specifications

Parameter

Range / Value (Typical)

Maximum Use Temperature

~ 1400–1650 °C (depending on grade)

Bulk Density

~ 2.5 to 3.1 g/cm³

Flexural Strength

~ 80 to 400 MPa

Compressive Strength

Up to ~ 2000+ MPa

Thermal Conductivity

From ~ 20 to 120 W/m·K

Coefficient of Thermal Expansion

~ 3–5 × 10⁻⁶ /K

Wall Thickness

Customizable per design, within structural limits

Outer Diameter (Standard Range)

10 mm up to 300 mm (or custom)

Note: These values represent typical ranges. Final performance depends on the SiC grade and manufacturing process.

Custom Tube Solutions

To ensure your application is fully served, we offer:

  • Custom lengths and wall thicknesses
  • Special end configurations (open, closed, flanged, flared)
  • Surface processing (as-fired, ground, or precision-rolled)
  • Tight tolerances and cylindricity control
  • Small- to large-volume orders with material certification

Application Areas

Silicon carbide tubing is used in a broad array of demanding applications, for example:

  • High-Temperature Furnaces & Thermal Equipment
    Tube liners, sensor enclosures, process gas flow pathways
  • Chemical Processing & Corrosive Environments
    Piping in acid, alkaline, molten salt, or chlorine systems
  • Semiconductor & Microfabrication
    Chemical delivery systems, wafer carriers, corrosion-resistant tubes
  • Power & Energy
    Components in heat exchangers, solar receivers, or advanced reactor systems

    Recrystallized silicon carbide tube

  • Mechanical & Wear Systems
    Bearings, shafts, and sliding assemblies in abrasive conditions

Why Choose Us for Your SiC Tubing

  • Decades of experience in advanced ceramic manufacturing
  • ISO-certified production and rigorous quality control
  • Full traceability with material certification
  • Engineering support for design and selection
  • Protective, damage-free packaging for global shipping

Packaging & Delivery

We package each tube carefully to protect critical ends and surfaces. Typical safeguards include:

  • Shock-absorbing internal supports
  • Moisture-barrier and desiccant layers
  • Protective external crating for large or fragile items

Your SiC tubes arrive intact and ready for integration into your systems.