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Nicrosil is a nickel alloy containing 14.4% chromium, 1.4% silicon, and (in some sources) 0.1% magnesium.[1]

Nicrosil is used as the positive leg of type N thermocouples. In this application another nickel alloy, Nisil, is used as the negative leg.[2] The Nicrosil alloy in this case does not contain magnesium.[2]


  1. ^ "Nicrosil alloy". Retrieved 2007-10-31.
  2. ^ a b "Type N thermocouples" (PDF). Retrieved 2007-10-31.

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