NBSiC Thermocouple Tubes in Continuous Operation in Aluminium Melting Furnace

nbsic-thermocouple-tube2

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May 5, 2019
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Silcarb’s Nitride Bonded Silicon Carbide (NBSiC) thermocouple tubes are designed for high-temperature industrial environments where temperature measurement equipment must withstand severe thermal and chemical conditions. These ceramic thermocouple protection tubes provide reliable performance in aluminium melting furnaces and other high-temperature processing systems.

Thermocouple tubes made from nitride bonded silicon carbide offer excellent resistance to thermal shock, corrosion, and mechanical wear, making them suitable for demanding furnace environments where continuous operation and accurate temperature monitoring are essential.

Official Update

NBSIC thermocouple tubes

The Silcarb make NBSIC thermocouple sheath of 1.5meter length has completed six months of continuous operation in a harsh environment of a fuel-fired central melter in a pressure diecasting shop in Bangalore, India

Nitride Bonded Silicon Carbide for Thermocouple Protection

Nitride bonded silicon carbide (NBSiC) is widely used for thermocouple protection tubes because of its excellent mechanical and thermal properties. The nitridation process creates a strong silicon nitride bonding phase within the silicon carbide structure, resulting in a highly durable ceramic material.

Key properties include:

  • exceptional thermal shock resistance
  • high mechanical strength
  • excellent oxidation resistance
  • resistance to molten metal corrosion
  • long operational life in furnace environments

These properties make NBSiC an ideal material for thermocouple protection in aluminium melting and high-temperature industrial furnaces.

Reliable Temperature Measurement in Aluminium Die Casting

Accurate temperature monitoring is essential in aluminium die casting plants to ensure consistent metal quality and process control. Thermocouple protection tubes shield the temperature sensors from direct exposure to molten metal, flame, and corrosive gases.

In fuel-fired aluminium melting furnaces, thermocouple tubes must withstand:

  • high operating temperatures
  • aggressive combustion gases
  • thermal cycling during furnace operation
  • mechanical stress and vibration

Silcarb’s NBSiC thermocouple tubes are designed to perform reliably in these challenging operating conditions.

Applications of Silicon Carbide Thermocouple Tubes

Nitride bonded silicon carbide thermocouple tubes are used across multiple high-temperature industries, including:

  • aluminium melting furnaces
  • pressure die casting plants
  • heat treatment furnaces
  • metallurgical processing systems
  • ceramic kilns
  • industrial furnace temperature monitoring

Their ability to withstand harsh furnace environments ensures consistent temperature measurement and improved process reliability.

Silcarb’s Expertise in Technical Ceramics

Silcarb manufactures a wide range of silicon carbide ceramic components for high-temperature industrial applications, including:

  • thermocouple protection tubes
  • silicon carbide kiln furniture
  • wear resistant ceramic components
  • silicon carbide plates and beams
  • advanced technical ceramic components

These products are manufactured using controlled ceramic processing and high-temperature firing technologies at Silcarb’s Bangalore facility.

About Silcarb

Silcarb is an Indian manufacturer specializing in silicon carbide heating elements, industrial furnaces, kiln furniture, technical ceramics, and wear-resistant ceramic components. With decades of expertise in high-temperature materials engineering, Silcarb supplies advanced furnace systems and ceramic components to industries including aluminium processing, automotive manufacturing, ceramics, aerospace, defence, and metallurgy.