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CuNi44 Alloy Flat Wire Bright Surface With High Resistance Electrical Elements Use

Categories Copper Nickel Alloy Wire
Brand Name: Tankii
Model Number: 6J12
Certification: ISO 9001
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: T/T, Western Union
Supply Ability: 20000kg/month
Delivery Time: 5-30 days
Packaging Details: Spool
Application: Electrical Elements Use
Shape: wire
Resistivity: 0.49+-5%
State: Annealed and Hard
Melting Point: 1280
Elongation: >25%
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    CuNi44 Alloy Flat Wire Bright Surface With High Resistance Electrical Elements Use

    CuNi44 Alloy Flat Wire bright surface with High resistance for electrical elements


    Constantan Wire Definition

    Resistance alloy with moderate resistivity and low temperature coefficent of resistance with a flat resistance/temperature curve over a wider range than the "manganins". Constantan also shows better corrosion resistance than the man ganins. Uses tend to be restricted to ac circuits. Constantan is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type Tthermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.


    Chemical Content, %

    NiMnFeSiCuOtherROHS Directive
    CdPbHgCr
    441.50%0.5-Bal-NDNDNDND

    Mechanical Properties

    Max Continuous Service Temp400ºC
    Resisivity at 20ºC0.49±5%ohm mm2/m
    Density8.9 g/cm3
    Thermal Conductivity-6(Max)
    Melting Point1280ºC
    Tensile Strength,N/mm2 Annealed,Soft340~535 Mpa
    Tensile Strength,N/mm3 Cold Rolled680~1070 Mpa
    Elongation(anneal)25%(Min)
    Elongation(cold rolled)≥Min)2%(Min)
    EMF vs Cu, μV/ºC (0~100ºC)-43
    Micrographic Structureaustenite
    Magnetic PropertyNon

    1. 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.

    2. Chemical Composition
    Alloy Ni% Mn% Fe% Cu%
    CuNi44 43 Max 0.5 - Bal.

    3. Products and services
    1). Pass: ISO9001 certification;
    2). Fine after-sale services;
    3). Small order accepted;
    4). Samples available;


    General Description

    Due to high tensile strength and increased resistivity values, ELEKTRISOLA copper nickel alloy wires are the first choice for applications as resistance wires. With the different nickel amount in this product range, the characteristics of the wire can be chosen according to your requirements. Copper nickel alloy wires are available as bare wire, or enamelled wire with any insulation and self-bonding enamel. Furthermore, litz wire made of enamelled copper nickel alloy wire are available.

    Features

    • Very low thermal coefficient of resistance
    • Higher resistance than copper
    • High tensile strength
    • Good bending proof performance

    Applications

    • Heating applications
    • Resistance wire
    • Applications with high mechanical requirements
    • Others

    Buy CuNi44 Alloy Flat Wire Bright Surface With High Resistance Electrical Elements Use at wholesale prices
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