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Home > Products > CuNi Alloy > Resistance Wire Cuprothal 49 Nickel Based Antioxidant Wire

Resistance Wire Cuprothal 49 Nickel Based Antioxidant Wire

Basic Info

Model No.:  resistance wire Cuprothal 49 nickel based

Product Description

Model NO.: Resistance Wire Cuprothal 49 nickel based Material: Cuprothal 49 Resistance Tolerance: ±5% Trademark: wisdm Origin: Shanghai, China Product Type: Strip Condition: Soft Surface: Bright Specification: ISO 9001 1.WHY CHOOSE WISDOM HIGH QUALITY CUNI44/CONSTANTAN ALLOYS?       All our raw material is made from prime material, not recycle material. We have more than 25 years experience in manufacturing resistance heating alloys.       In the market, not all the CuNi44/Constantan alloys are with standard chemical composition and stable resistance. Professional and reliable is the soul of our business.       2.DESCRIPTION OF CUNI44/CONSTANTAN ALLOYS:       CuNi44, also called Constantan, has a very low temperature coefficient, high electrical resistance, high ductility and non-corroding properties. It is suitable for use at temperatures up to 600°C (1110°F). As a very malleable, very ductile alloy, it has a very good resistance to oxidation.       The alloy is non-magnetic. It is suitable for electrical resistors, potentiometers, heating wires, heating cables and mats. Ribbons are used for heating of bimetals. Another field of application is manufacturing of thermocouples because it develops a high electromotive force (EMF) in association with others metals.        3.WISDOM ALLOYS CHARACTERISTICS:       1)Manufactured according to international quality. System (ISO9001)       2)Stable resistance and long-life span       3)Mill test certificate will be provided after production       4)Size range  wire:.0.018-10mm  ribbons: 0.05-0.2*2-6mm  strips: 0.05-5*5-250mm       5)Good packing methods to keep goods no damage during delivery       6)Customized lable, packing, OEM service       7)24 hours after-sale service       4.MAIN CHARACTERISTICS OF WISDOM CuNi44/CONSTANTAN ALLOYS       Chemical Composition      








Max 0.5



      Physical Data      


8.9 g/cm3

Specific Heat

0.41(J/kg 20°C)

Electrical Resistivity


Melting Point


Maximum Operating Temperature


Coefficient of linear expansion (coeff 10-6/°C)

14 from 20 to 1000°C

      Typical Mechanical Properties      

Mechanical Properties


Tensile Strength

420 Mpa




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Product Categories : CuNi Alloy