Coiled Nickel-Chromium Alloy Resistance Wire
Continuous Lengths to 3,500 Meters (10,000 Feet)
80% Nickel / 20% Chromium & 60% Nickel / 16% Chromium (Balance Iron)
NIC80 / NIC60
Features
Most Popular Sizes and Gages Supplied Off-the-Shelf!
Available in English Sizes
Consult Factory for Your Special Requirements or O.E.M. Needs


Our nickel-chromium alloy resistance heating wire is now available coiled for ready use. Coiled heating wire is used in many high-temperature applications, including electric furnaces, radiant heating, and air heating.

NIC80 is an alloy of 80% nickel and 20% chromium and represents the highest standard in materials for use in elevated temperature environments. It is useable at temperatures up to 1150°C (2100°F).

NIC60 contains 60% nickel and 16% chromium, with the balance iron, and can be used up to 1000°C (1850°F). It is the benchmark material, most widely accepted and employed in electrical heating. Both of these alloys also provide excellent corrosion resistance.

Coils using 18 to 30 AWG wire with 25 to 100 turns per inch are standard. Custom coil dimensions are also available.




Specifications
NIC80
Composition: 80% Ni, 20% Cr
Specific Resistance: 650 ohms per circular mil-foot at 68°F (20°C). See table for straight nickel-chromium wire multiplication factors to obtain resistance at other temperatures
Specific Gravity: 8.41
Density: 0.304 lb/in3
Melting Point: =1400°C (2550°F)
Nominal Coefficient of Linear Expansion: 0.000017 (10-1000°C)
Nominal Temperature Coefficient of Resistance: 0.00011 ohms/ohm/°C (20-500°C)
Tensile Strength (lb/in2) at 20°C (68°F): Hard Drawn: 200,000 Soft Annealed: 100,000

NIC60
Composition: 60% Ni, 16% Cr, 24% Fe
Specific Resistance: 675 ohms per circular mil-foot at 68°F (20°C). See table for straight nickel-chromium wire multiplication factors to obtain resistance at other temperatures
Specific Gravity: 8.25
Density: 0.298 lb/in3
Melting Point: =1350°C (2450°F)
Nominal Coefficient of Linear Expansion: 0.000017 (20-1000°C)
Nominal Temperature Coefficient of Resistance: 0.00015 ohms/ohm/°C (20-500°C)
Tensile Strength (lb/in2) at 20°C (68°F): Hard Drawn: 200,000 Soft Annealed: 95,000

CAUTION AND WARNING! Spools of wire are supplied tightly compacted. Never use precoiled wire without extending to at least three times the compacted (spooled) length.
Fully-extended wire (Model No. NIC80-020-125) is 16.5 times the “as supplied” coiled length

NIC80:80% Nickel/20% Chromium - English Dimensions
Model #
AWG
Wire Dia.
O.D. Compacted Coil ±10%
Turns
1" Full Ext. Length
Ohms per in. of Coil @ 20°C (68°F)
Price
25ft.
50ft.
100ft.
200ft.
NIC80-040-250
18
0.040"
0.250"
25"
16.5"
0.558
$61
$109
$177
$258
NIC80-032-250
20
0.032"
0.250"
31"
21.2"
1.132
$51
$91
$148
$215
NIC80-032-188
20
0.032"
0.188"
31"
15.3"
0.810
$37
$66
$107
$155
NIC80-025-250
22
0.0253"
0.250"
40"
28.3"
2.450
$38
$69
$111
$162
NIC80-025-188
22
0.0253"
0.188"
40"
20.5"
1.775
$28
$50
$81
$117
NIC80-020-188
24
0.0201"
0.188"
50"
26.4"
3.574
$22
$40
$65
$94
NIC80-020-125
24
0.0201"
0.125"
50"
16.5"
2.233
$14
$25
$41
$59
NIC80-015-125
26
0.0159"
0.125"
66"
22.8"
5.546
$27
$49
$79
$115
NIC80-012-125
28
0.0126"
0.125"
83"
29.5"
11.128
$24
$43
$69
$100
NIC80-010-125
30
0.010"
0.125"
100"
36.1"
19.570
$21
$38
$62
$90
NIC80-010-062
30
0.010"
0.062"
100"
16.3"
8.849
$10
$17
$28
$41
Consult Sales Department for quantity discount over 200 ft.
Ordering Example: NIC80-010-125-200 is 30-gage 80% nickel/20% chromium alloy resistance cable, precoiled in .125" O.D. coils, 200 ft. (spooled length), $90

NIC60: 60% Nickel/16% Chromium - English Dimensions
Model #
AWG
Wire Dia.
O.D. Compacted Coil ±10%
Turns
1" Full Ext. Length
Ohms per in. of Coil @ 20°C (68°F)
Price
25ft.
50ft.
100ft.
200ft.
NIC60-040-250
18
0.040"
0.250"
25"
16.5"
0.580
$61
$109
$177
$258
NIC60-032-250
20
0.032"
0.250"
31"
21.2"
1.176
$51
$91
$148
$215
NIC60-032-188
20
0.032"
0.188"
31"
15.3"
0.841
$37
$66
$107
$155
NIC60-025-250
22
0.0253"
0.250"
40"
28.3"
2.545
$38
$69
$111
$162
NIC60-025-188
22
0.0253"
0.188"
40"
20.5"
1.843
$28
$50
$81
$117
NIC60-020-188
24
0.0201"
0.188"
50"
26.4"
3.711
$22
$40
$65
$94
NIC60-020-125
24
0.0201"
0.125"
50"
16.5"
2.319
$14
$25
$41
$59
NIC60-015-125
26
0.0159"
0.125"
66"
22.8"
5.760
$27
$49
$79
$115
NIC60-012-125
28
0.0126"
0.125"
83"
29.5"
11.556
$24
$43
$69
$100
NIC60-010-125
30
0.010"
0.125"
100"
36.1"
20.322
$21
$38
$62
$90
NIC60-010-062
30
0.010"
0.062"
100"
16.3"
9.189
$10
$17
$28
$41
Consult Sales Department for quantity discount over 200 ft.
Ordering Example: NIC60-040-250-50 is 18-gage 60% nickel/16% chromium alloy resistance cable, precoiled in .250" O.D. coils, 50 ft. (spooled length), $109

Current Temperature Characteristics*
AWG
Wire Dia.
NIC80 Coiled Wire Current Characteristics (Amps) - °C (°F)
425 (800)
540 (1000)
650 (1200)
760 (1400)
875 (1600)
1100 (2000)
18
0.040"
5.41
6.93
8.48
10.41
12.48
16.70
20
0.032"
3.72
4.84
6.01
7.44
8.96
12.20
22
0.0253"
2.48
3.15
3.84
4.93
6.13
8.81
24
0.0201"
2.05
2.59
3.13
3.82
4.55
6.07
26
0.0159"
1.50
1.93
2.37
2.87
3.39
4.47
28
0.0126"
0.93
1.22
1.51
1.87
2.26
3.09
30
0.010"
0.63
0.82
1.02
1.32
1.64
2.38

AWG
Wire Dia.
NIC60 Coiled Wire Current Characteristics (Amps) - °C (°F)
425 (800)
540 (1000)
650 (1200)
760 (1400)
875 (1600)
1100 (2000)
18
0.040"
5.20
6.65
8.14
10.00
11.92
16.03
20
0.032"
3.56
4.64
5.77
7.15
8.60
11.71
22
0.0253"
2.39
3.03
3.69
4.74
5.89
8.46
24
0.0201"
1.96
2.47
3.00
3.67
4.36
5.83
26
0.0159"
1.44
1.86
2.28
2.76
3.26
4.29
28
0.0126"
0.89
1.18
1.45
1.80
2.17
2.97
30
0.010"
0.62
0.79
0.98
1.26
1.58
2.28
* Showing approximate current in amperes necessary to raise a coil of arbor size of 1/8" diameter, to a given temperature, when stretched twice the close-wound length in open air.
Copyright 2003, NEWPORT Electronics, Inc. All rights reserved.
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