Project Description

CuNi19

CuNi19 is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
CuNi19
(NC025)

Chemical Composition, %

AlloyNiMnCu
CuNi19190.8Bal

Typical Mechanical and Physical Properties

Resistivity, 20℃ μΩ·mMax.working Temperature, ℃Tensile Strength, MPaMelting Point, ℃Specific Heat, J/gkThermal Conductivity, 20℃ W/mkDensity, g/cm3TCR x10-6/ ℃, 20-600℃EMF vs Cu, μV/℃, 0-100 ℃
0.25±5%30034011350.38388.9<25-32

Features

  • Good resistance consistency
  • Superior stability

Applications

  • Low-voltage circuit breaker
  • Thermal overload relay
  • Heating cables
  • Fuses
  • Shunts
  • Resistors
  • Controllers