Open Access Articles- Top Results for Alumel


Alumel is an alloy consisting of approximately 95% nickel, 2% manganese, 2% aluminium and 1% silicon. This magnetic alloy is used for thermocouples and thermocouple extension wire. Alumel is a registered trademark of Concept Alloys, Inc.

Properties of Alumel:

  • electrical resistivity: 0.294 μΩm
  • thermal conductivity: 30 W/m/K
  • Curie point:[1] 152°C

In thermocouples, alumel is often used together with chromel to form type K thermocouples.


  1. ^ Horton, J. L.; Kollie, T. G.; Rubin, L. G. (1977). "Measurement of B versus H of Alumel from 25 to 180 °C". Journal of Applied Physics 48 (11): 4666. Bibcode:1977JAP....48.4666H. doi:10.1063/1.323530.  edit

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