Type J
Type J is a frequently used thermocouple alloy due to its low cost and high electromotive force (EMF) production. It provides reliable temperature measurement in oxidizing conditions up to 760°C in industrial systems.
Category:
Resistance Wires| Alloy | Positive Side: %100 Iron / Negative Side: %44 Nickel - Bal. Copper |
| Max. Operating Temperature | 760°C |
Manufactured by Aperam, Type J thermocouple wires consist of a pure iron positive leg and a copper-nickel (CuNi 44) negative leg. It is frequently used in the industry for its low cost and high electromotive force (EMF) production capacity. It can be used in oxidizing conditions up to 760°C.
For higher temperatures, it is recommended to use large wire diameters since the iron content of the positive leg will oxidize rapidly. Also, it must not be used in sulphurous atmospheres over 500°C. In order to limit oxidation risks of pure iron at room temperature, Aperam is able to deliver copper-clad or electro-copper-clad options for the positive leg from 0.20 mm to 0.80 mm. This external copper-clad provides a good resistance to corrosion over time, extending the product's life.
| Cable Type & Dimension | Cable Type & Dimension |
| J-PFA + thermocouple cable 0.22mm | J-VS + thermocouple cable 0.22mm |
| J-PFA - thermocouple cable 0.22mm | J-VS - thermocouple cable 0.22mm |
| J-PFA + thermocouple cable 0.50mm | J-BIM-VS thermocouple cable 2x0.22mm |
| J-PFA - thermocouple cable 0.50mm |
Please contact us for our current price list and custom quotes for your project. For custom and special size orders not listed in the table, please reach out to our expert team.
