Project Description

CuNi10 (UNS C70700 / W.Nr. 2.0811)  is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Cuprothal 15
MWS-90		CuNi10
(NC015)		–Alloy 90–C707002.0811––CN15W
CN15R		–

Chemical Composition, %

AlloyNiMnCu
CuNi10100.3Bal

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 ℃
0.15±5%25029011000.38598.9<50-25

Features

  • Good resistance consistency
  • Superior stability

Applications

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