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Type K Bare Thermocouple Wire Chromel Vs Alumel

Ohmalloy Material Co., Ltd.
  • Application：Electronic, Home Appliance
  • Certification：RoHS, ISO9001, CCC
  • Transport Package：Spool+CTN

Base Info

  • Model NO.：KN,KP wire
  • Production Capacity：80000kgs,Week

Description

MaterialChemical composition (%)NiCrSiMnAlKP(Chromel)9010   KN(Alumel)95 1-20.5-1.51-1.5

2. Physical properties and Mechnical properties

Material

Density(g/cm3)

Melting pointºC)

Tensile Strength(Mpa)

Volume resistivity(μΩ.cm)

Elongation rate (%)

KP(Chromel)8.51427>49070.6(20ºC)>10KN(Alumel)8.61399>39029.4(20ºC)>15

3. EMF Value range at different temperature

MaterialEMF value Vs Pt(μV)100ºC200ºC300ºC400ºC500ºC600ºCKP(Chromel)2816~28965938~60189298~937812729~1282116156~1626619532~19676KN(Alumel)1218~12622140~21802849~28933600~36444403~44635271~5331EMF value Vs Pt(μV)700ºC800ºC900ºC1000ºC1100ºC22845~2299926064~2624629223~2941132313~3252535336~355486167~62477080~71607959~80598807~89079617~9737