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Nominal Chemical Composition of Thermoelements
   
  JP JT, TN, EN" TP KP EP KN RP SP RN, SN BP BN
Element Nominal Chemical Composition, %
Iron 99.5
Carbon +
Manganese + 2
Sulphur +
Phosphorus +
Silicon + 1
Nickel + 45 90 95
Copper + 55 100
Chromium + 10
Aluminum 2
Platinum 87 90 100* 70.4 93.9
Rhodium 13 10 29.6 6.1
" Types JN, TN and EN thermoelements usually contain small amounts of various elements for control of thermal emf, with corresponding reductions in the nickel or copper content, or both.
+ Thermoelectric iron (JP) contains small but varying amounts of these elements.

 

Specializing in Wire and Cable for the Sensor Industry
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