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Copel

CopelCopel - copper-nickel alloy containing 43% Ni and 0,5% Mn, else Cu. In chemical composition, physical and mechanical properties similar to Konstantan, Kopel melting point of about 1290 ° C. Of all copper-nickel alloys Kopel has a maximum thermoelectric power in conjunction with Chromel (about 6.95 mV at 100 °C, 49.0 mV at 600 °C). Mainly used as a negative pyrometry thermoelectrodes thermocouple measured temperatures up to 600 °C, as compensating cable as well.

Density of the alloy - 8900 kg/m3, the melting point of 1220-1290 ° C, the temperature coefficient of linear expansion of 14.10 -6 ° C-1, the electrical resistivity of 0.5 mO · m It has a high thermoelectric power paired with many metals and is used for the manufacture of electrodes thermocouples.

Ni+CoFeCSiMnCuImpurity
42.5 - 44 ≤ 0.15 ≤ 0.1 ≤ 0.1 0.1 - 1 54.4 - 57.4 ≤ 0.6

LLC Renal-d supplies thermocouple wire from Ukraine:

See also:

Thermocouples

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