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Cuprothal 30 wire

Cuprothal 30 wire

Place of Origin : China
Brand Name : Yuanqiao
Model Number : 0074
condition : annealed
surface : bright
Min order : 30kg
Size : 24~32 AWG
MOQ : 10kg
Price : 15USD/kg
Packaging Details : Wire on spool
Delivery Time : based on your quantity
Payment Terms : Western union or TT payment
Supply Ability : 20 tons each month
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Cuprothal 30 is a copper-nickel alloy (CuNi alloy) with medium resistivity suitable for use at temperatures up to 400°C (750°F).

Cuprothal 30 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.

Chemical composition

Ni %Mn %Cu %
Nominal composition21.01.5Bal.

Mechanical properties

Wire sizeYield strengthTensile strengthElongationHardness
ØRp0.2RmA
mmMPaMPa%Hv
1.0017038030110
2.2016036032100

Physical properties

Density g/cm38.9
Electrical resistivity at 20°C Ω mm2/m0.30

Temperature factor of resistivity
Temperature °C20100200300400
Ct1.001.021.031.041.06

Coefficient of thermal expansion
Temperature °CThermal Expansion x10-6/K
20-10016

Thermal conductivity
Temperature °C20
W m-1 K-135

Specific heat capacity
Temperature °C20
kJ kg-1 K-10.370

Melting point °C1150
Max continuous operating temperature in air °C400
Magnetic propertiesThe material is non-magnetic


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