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Hangzhou Ualloy Material Co., Ltd.

Cupro-Nickel Foil, Constantan Foil, Constantan manufacturer / supplier in China, offering Constantan Copper Nickel Alloy Foil CuNi44, Nichrome Resistance Wire, Ni35cr20 Wire for Wirewound Resistors, Oxidation Dia 4mm Hre Heating Wire for Spring and so on.

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Supplier Homepage Product Cupronickel Alloy Constantan Copper Nickel Alloy Foil CuNi44

Constantan Copper Nickel Alloy Foil CuNi44

FOB Price: US $29.6 / KG
Min. Order: 20 KG
Min. Order FOB Price
20 KG US $29.6/ KG
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Production Capacity: 50t/Month
Transport Package: in Roll, Wooden Case Outside
Payment Terms: L/C, T/T, Paypal, Western Union
Basic Info
  • Model NO.: CuNi44
  • Material: CuNi
  • Status: Bright
  • Specification: GB/T 6145-1999
  • HS Code: 7409900000
  • Product Type: Foil
  • Carbon Content: Low Carbon
  • Trademark: Ualloy
  • Origin: China
Product Description

Constantan (Cupronickel)is a copper-nickel alloy usually consisting of 55% copper and 45% nickel. Also known as Cupro-nickel, Advance and Ferry. Its main feature is its resistivity which is constant over a wide range of temperatures. Other alloys with similarly low temperature coefficients are known, such as manganin.
Its resistivity is high enough to achieve suitable resistance values in even very small grids, and its temperature coefficient of resistance is not excessive. In addition, constantan is characterized by good fatigue life and relatively high elongation capability.
CategoryCu-Ni Series
Alloy NomenclatureConstantan
Model No.6J40
Chemical CompositionCuBal

Resistivity uΩ mm2m, 20° C
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