Gold Member Since 2012
Audited Supplier
Hangzhou Ualloy Material Co., Ltd.

Eureka, CuNi45, Copper Nickel Alloy manufacturer / supplier in China, offering High Quality Copper Nickel Thermocouple Alloy CuNi45 Wire, 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 High Quality Copper Nickel Thermocouple Alloy CuNi45 Wire

High Quality Copper Nickel Thermocouple Alloy CuNi45 Wire

Purchase Qty.:
20-49 50+
FOB Unit Price: US $9.2 US $9
Purchase Qty. (Kilogram) FOB Unit Price
20-49 US $9.2
50+ US $9
Get Latest Price
Production Capacity: 500tons/Year
Transport Package: in Coil, Carton, Wooden Case
Payment Terms: L/C, T/T, Paypal, Western Union
Basic Info
  • Model NO.: CuNi45
  • Material: Cu,Ni
  • Condition: Bright,
  • Density (g/cm3): 8.8
  • Elongation Rate (%): >25
  • Chemical Composition: Cu, Ni
  • Products and Services: Small Order Accepted; Fast Delivery
  • Trademark: Ualloy
  • Origin: Zhejiang, China
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • Melting Point(Oc): 1220
  • Tensile Strength (MPa): >390
  • Volume Resistivity: 49.0(20oc)
  • Cetification: ISO9001
  • Packing Detail: Coil (Plastic Spool) + Compressed Ply-Wooden Case
  • Specification: RoHS, SGS
  • HS Code: 74082290
Product Description
1. Description
Constantan is a copper-nickel alloy usually consisting of 55% copper and 45% nickel. Also known as Eureka, 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 (Cu86Mn12Ni2).
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. 
       Chemical Content(%)
GradeMain Chemical composition (%)

         2. Properties
GradeMelting Point(ºC)Density (g/cm3)Tensile Strength (Mpa)Elongation rate (%)Volume resistivity (μΩ.cm)
3. Specification
Wire:Diameter range: 0.04mm-----8.0mm

 4. Packing detail
 1) Coil (plastic spool) + compressed ply-wooden case + pallet 
 2) Coil (plastic spool) + carton + pallet  
5. Products and services
1). Pass: ISO9001 certification, and SO14001cetification;
2). Fine after-sale services;
3). Small order accepted;
4). Fast delivery;
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