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    1400°F Max 80 Nickel 20 Chromium Resistance Heating Ribbon

    NCRR-Series 80% Nickel 20% chromium resistance ribbon heating wire available in 18 to 30 AWG, lengths up to 1000 ft and maximum temperature of 1400°F.
    $201.96
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    Data Sheet (PDF)

    1400°F Max 80 Nickel 20 Chromium Resistance Heating Ribbon
    Nickel-chromium wire (80Ni-20Cr) is proven to deliver outstanding performance over extended periods of time and is the same wire OMEGA™ uses in our own electrical heating elements

    Resistance Wire - Current vs. Temperature
    Current Carrying Capacity of Straight Nickel Chromium Wire, Approximate amperes to heat a straight, oxidized wire in quiet air to given temperature
    °F 400 600 800 1000 1200 1400
    °C 205 315 427 538 649 760
    AWG or
    B & S     		Inches
    Dia.     		Amperes
    15 0.057 7.2 10.0 12.8 16.1 20.0 24.5
    16 0.051 6.4 8.7 10.9 13.7 17.0 20.9
    17 0.045 5.5 7.5 9.5 11.7 14.5 17.6
    18 0.040 4.8 6.5 8.2 10.1 12.2 14.8
    19 0.036 4.3 5.8 7.2 8.7 10.6 12.7
    20 0.032 3.8 5.1 6.3 7.6 9.1 11.0
    21 0.0285 3.3 4.3 5.3 6.5 7.8 9.4
    22 0.0253 2.9 3.7 4.5 5.6 6.8 8.2
    23 0.0226 2.58 3.3 4.0 4.9 5.9 7.0
    24 0.0201 2.21 2.9 3.4 4.2 5.1 6.0
    25 0.0179 1.92 2.52 3.0 3.6 4.3 5.2
    26 0.0159 1.67 2.14 2.60 3.2 3.8 4.5
    27 0.0142 1.44 1.84 2.25 2.73 3.3 3.9
    28 0.0126 1.24 1.61 1.95 2.38 2.85 3.4
    29 0.0113 1.08 1.41 1.73 2.10 2.51 2.95
    30 0.0100 0.92 1.19 1.47 1.78 2.14 2.52
    31 0.0089 0.77 1.03 1.28 1.54 1.84 2.17
    32 0.0080 0.68 0.90 1.13 1.36 1.62 1.89
    33 0.0071 0.59 0.79 0.97 1.17 1.40 1.62
    34 0.0063 0.50 0.68 0.83 1.00 1.20 1.41
    35 0.0056 0.43 0.57 0.72 0.87 1.03 1.21
    36 0.0050 0.38 0.52 0.63 0.77 0.89 1.04
    37 0.0045 0.35 0.46 0.57 0.68 0.78 0.90
    38 0.0040 0.30 0.41 0.50 0.59 0.68 0.78
    39 0.0035 0.27 0.36 0.42 0.49 0.58 0.66
    40 0.0031 0.24 0.31 0.36 0.43 0.50 0.57
    		 
    Current Carrying Capacity of Ribbon
    Nickel Chromium Wire, At 1200°F Approximate
    Width-Inches
    Thickness in Inches 1/64 1/32 1/16 3/32 1/8 3/16
    Amps
    0.0063 1.56 2.89 5.5 8.2 8.2 16.6
    0.0056 1.45 2.69 5.2 7.2 7.2 15.6
    0.0050 1.35 2.52 4.9 6.8 6.8 14.7
    0.0045 1.26 2.38 4.6 6.4 6.4 14.0
    0.0040 1.18 2.23 4.1 6.0 6.0 13.1
    0.0035 1.09 2.07 3.8 5.6 5.6 12.3
    0.0031 1.01 1.94 3.6 5.3 5.3 11.5
    0.0020 — — — — — —
    0.0015 4 — — — — —
    The current values above are based on actual tests of single strands of oxidized wire mounted in quiet air and operated at 1200°F. The tables are calculated for wire having a resistivity at 1200°F and a total surface watts-density of 28 W per square inch.