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  5. 1400°F Max 80 Nickel 20 Chromium Resistance Heating Ribbon

1400°F Max 80 Nickel 20 Chromium Resistance Heating Ribbon

Resistance Heating Ribbon Wire
3.7
(3)
Resistance Heating Ribbon Wire
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Data Sheet (PDF)

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C$203.21

Item# NCRR-31-100

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$203.21
10-24 C$193.05
25-49 C$188.99
50-99 C$180.86
100-199 C$176.79
200+ C$172.73

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Lead Time (If not in stock): 5 weeks
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Resistance Heating Ribbon Wire NCRR-31-100 NCRR-31-100
  • Uniformity of Resistance
  • Mechanical Stability
  • Fine Surface Finish

NCRR-31-100 Model Options

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Dimensions
Additional Feature
Power Density
Maximum Temperature Exposure
Insulation Material
Minimum Purchase Length


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.
Rated 5 out of 5 by from Great product, excellent service Purchased this product for the repair of a heating element. Great quality and fast shipping
Date published: 2016-11-27
Rated 5 out of 5 by from Exactly what I expected Omega met my expectations of getting what I ordered on time. Ordering was very easy and prompt replys on order atatus
Date published: 2022-09-06
Rated 1 out of 5 by from confusing chart I ordered and received heater ribbon for my radiant heater but the charts from which I tried to determine the proper thickness of ribbon was confusing for an electrical layman such as myself. Therefore, I purchased ribbon that did not allow my heater to heat to its full power, barely warming a few inches in front of it.
Date published: 2018-12-06
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What is the thermal density of this wire? It states 28W/in^2 but this is a unit for thermal flux not density. Can you please clarify weather this is suppose to be a thermal density or a thermal flux?

Asked by: wanb
Thank you for connecting with Omega, The watt density on the NCRR series heating wire is 28 watts per square inch. Please let us know if there is anything else we can do to help.
Answered by: RD Engineer
Date published: 2019-11-17

Is there a coating or an insulation on the surface? Can this be used to heat up a metallic surface without shortcircuit risk?

Asked by: Fredj
Hi Fredj, Thank you for the inquiry. These do not have insulating coating. So they cannot be used on an electrically conductive surface. Our heat tapes may be useful for your application; https://www.omega.com/en-us/industrial-heaters/surface-heaters/tape-and-rope-heaters/p/STH-SST-SWH https://www.omega.com/en-us/industrial-heaters/surface-heaters/tape-and-rope-heaters/p/SRT-heaters Best regards OMEGA
Answered by: AENwlk
Date published: 2021-02-27

please can you tell me how much current and temperature it can withstand?

Asked by: mahadi46
The resistance heating wire alloy, 80% Ni, 20% Cr, has a max service temperature up to 1150 C in air. Please refer to following archived page for examples of current vs temperature in still air; https://br.omega.com/omegaFiles/heaters/pdf/NCRR_SERIES.pdf
Answered by: NorwalkAE_RS
Date published: 2019-08-27
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