• resistance wires and strips coil heating elements
     Jiangsu Heyi Electric Heating Material Co., Ltd
    Industrial Ribbon Elements,Coil Elements and Spiral Heating Elements manufacturer

    Constantan wire

    Main Characteristics Of Copper-Nickel Low Resistance Heating Wire
    Nomenclature
    Performance
    NC003
    CuNi1
    NC005
    CuNi2
    NC010
    CuNi6
    NC012
    CuNi8
    MC012
    CuMn3
    NC015
    CuNi10
    NC020
    CuNi14
    NC025
    CuNi19
    NC030
    CuNi23
    NC035
    CuNi30
    NC040
    CuNi34
    NC050
    CuNi44
    Main Chemical Composition
    (%)
    Ni 1 2 6 8 - 10 14.2 19 23 30 34 44
    Mn - - - - 3 - 0.3 0.5 0.5 1 1 1
    Cu Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal. Bal.
    Max continuous service temp of element(℃)  - 200 220 250 200 250 300 300 300 350 350 400
    Melting point
    (approx℃)
    1085 1090 1095 1097 1050 1100 1115 1135 1150 1170 1180 1280
    Density
    (g/cm3)
    8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9 8.9
    Resistivity at 20℃(μΩ.m)  0.03±10% 0.05±10% 0.1±10% 0.12±10% 0.12±10% 0.15±10% 0.2±5% 0.25±5% 0.3±5% 0.35±5% 0.4±5% 0.50±5%
    Tensile strength
    ( Mpa)
    ≥210 ≥220 ≥250 ≥270 ≥290 ≥290 ≥310 ≥340 ≥350 ≥400 ≥400 ≥420
    Elongation rate
    (%,>Φ1.0)
    ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25 ≥25
    TCR 10-5/℃
    (20-600℃)
    <100 <120 <60 <57 <38 <50 <38 <25 <16 <10 0 <-6
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