Ceramic Coated Cast Iron Thermocouple Tubes

20 in stock (can be backordered)

  • Standard quantity is 10 pieces with increments of 10. You can choose any diameter and size. Add-to-quote quantity is always 1. 

    Length x 43 X 23 mm


Ceramic coated or uncoated cast iron thermocouple protection tubes or custom built thermocouple assemblies for use in aluminium furnaces and baths.

Physical properties:

Density: 7.1 g/cm³

Tensile Strength: 207 Mpa

Thermal Conductivity: 40 W/(m*k) @ 500 °C

Maximum Temperature: 800 °C with  ceramic coating

1150 °C without coating

Dimensions:  43 mm (OD) X 23 mm (ID)

Threading: ¾ inch NPT is standard, other threading available upon request.

Enamel Coating: Alumina, Silica and Borax

Application & Properties

Features Ceramic Coated Cast Iron Thermocouple Protection Tubes

  • Excellent physical strength for cast house handling.
  • Suitable to withstand rigors of furnace environment.
  • Uniformity of life in use in the furnace.
  • Cost Effective assemblies go from the box to the furnace.
  • Preheating not required.
  • Special high temperature cast iron alloy

Typical applications:

  • Aluminium melting and holding furnaces, and other applications where mechanical strength is required.
  • High fire furnaces
  • Charging of scrap and ingot

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