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Nichrome and Kanthal Resistance Heating Wire
25, 50, 75 and 100 foot
lengths of Nichrome-60 wire
Coiled
Nichrome Wire (Open Coil Resistance
Wire Elements - Infrared and Air Process/Duct Heaters)
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5, 10 and 30 pound
spools of Nichrome wire commonly used as a resistance heater.
Nichrome-60 wire (NiCr60
Type
675 Nickel Chrome Alloy)
Nickel: 57-58%, Chromium: 16%, Silicon: 1.5%, Iron: Balance
Other Nichrome alloys are also available.
Other types
of resistance wire such as Kanthal are
also available.
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CURRENT TEMPERATURE CHARACTERISTICS
OF NICHROME 60 STRAIGHT WIRE
Showing approximate amperes necessary to produce a given temperature.
Applying only to straight wires stretched horizontally in free air. |
AWG
(Gauge) |
Dia." |
Temp. 400F
Temp. 204C |
600
316 |
800
427 |
1000
538 |
1200
649 |
1400
760 |
1600
871 |
1800
982 |
2000
1093 |
| 1 |
.289 |
75.10 |
104.00 |
134.0 |
169.0 |
210.0 |
257.0 |
309.0 |
363.0 |
417.0 |
| 2 |
.258 |
62.81 |
87.45 |
112.4 |
142.1 |
176.5 |
215.9 |
259.5 |
304.9 |
350.3 |
| 3 |
.229 |
52.54 |
73.53 |
94.33 |
119.4 |
148.5 |
181.4 |
217.9 |
256.0 |
294.2 |
| 4 |
.204 |
43.94 |
61.82 |
79.15 |
100.4 |
124.8 |
152.4 |
183.0 |
215.0 |
247.2 |
| 5 |
.182 |
36.75 |
51.98 |
66.41 |
84.36 |
104.9 |
128.0 |
152.7 |
180.6 |
207.6 |
| 6 |
.162 |
30.74 |
43.72 |
55.72 |
70.91 |
88.16 |
107.5 |
129.0 |
151.7 |
174.3 |
| 7 |
.144 |
25.71 |
36.75 |
46.75 |
59.60 |
74.12 |
90.35 |
108.3 |
127.4 |
146.4 |
| 8 |
.128 |
21.50 |
30.90 |
39.23 |
50.10 |
62.30 |
75.90 |
91.00 |
107.0 |
123.0 |
| 9 |
.114 |
18.00 |
25.90 |
33.20 |
42.10 |
52.40 |
64.20 |
76.80 |
90.20 |
104.0 |
| 10 |
.102 |
15.43 |
22.03 |
28.15 |
35.63 |
44.30 |
54.39 |
65.08 |
76.40 |
88.00 |
| 11 |
.091 |
13.23 |
18.72 |
23.89 |
30.16 |
37.54 |
46.07 |
55.15 |
64.70 |
74.4 |
| 12 |
.081 |
11.34 |
15.91 |
20.27 |
25.53 |
31.77 |
39.03 |
46.73 |
54.80 |
63.01 |
| 13 |
.072 |
9.73 |
13.53 |
17.21 |
21.61 |
26.89 |
33.06 |
39.60 |
46.41 |
53.31 |
| 14 |
.064 |
8.34 |
10.50 |
14.59 |
18.30 |
22.76 |
28.01 |
33.56 |
39.31 |
45.11 |
| 15 |
.057 |
7.15 |
9.78 |
12.38 |
15.50 |
19.26 |
23.73 |
28.44 |
33.30 |
38.17 |
| 16 |
.051 |
6.13 |
8.31 |
10.50 |
13.11 |
16.30 |
20.10 |
24.10 |
28.20 |
32.30 |
| 17 |
.045 |
5.31 |
7.18 |
9.13 |
11.30 |
13.90 |
16.90 |
20.30 |
23.60 |
27.00 |
| 18 |
.040 |
4.66 |
6.26 |
7.90 |
9.75 |
11.96 |
14.51 |
17.37 |
20.48 |
23.08 |
| 19 |
.036 |
4.09 |
5.46 |
6.84 |
8.41 |
10.30 |
12.45 |
14.87 |
17.78 |
19.73 |
| 20 |
.032 |
3.58 |
4.77 |
5.92 |
7.25 |
8.86 |
10.69 |
12.72 |
15.43 |
16.87 |
| 21 |
.0285 |
3.14 |
4.16 |
5.13 |
6.26 |
7.63 |
9.17 |
10.88 |
13.40 |
14.40 |
| 22 |
.0253 |
2.76 |
3.63 |
4.44 |
5.40 |
6.56 |
7.87 |
9.31 |
11.63 |
12.33 |
| 23 |
.0226 |
2.42 |
3.16 |
3.84 |
4.67 |
5.65 |
6.76 |
7.97 |
10.09 |
10.54 |
| 24 |
.020 |
2.12 |
2.76 |
3.32 |
4.01 |
4.86 |
5.80 |
6.82 |
8.76 |
9.01 |
| 25 |
0179 |
1.84 |
2.42 |
2.90 |
3.44 |
4.15 |
4.97 |
5.86 |
6.96 |
7.72 |
| 26 |
.0159 |
1.58 |
2.09 |
2.52 |
3.00 |
3.61 |
4.31 |
5.06 |
5.97 |
6.63 |
| 27 |
.0142 |
1.37 |
1.80 |
2.19 |
2.62 |
3.14 |
3.73 |
4.37 |
5.12 |
5.69 |
| 28 |
.0126 |
1.18 |
1.55 |
1.90 |
2.28 |
2.73 |
3.23 |
3.77 |
4.39 |
4.88 |
| 29 |
.0113 |
1.02 |
1.34 |
1.65 |
1.99 |
2.37 |
2.80 |
3.25 |
3.76 |
4.19 |
| 30 |
.010 |
.875 |
1.16 |
1.43 |
1.74 |
2.06 |
2.43 |
2.81 |
3.22 |
3.59 |
| 31 |
.0089 |
.754 |
1.00 |
1.24 |
1.51 |
1.79 |
2.10 |
2.42 |
2.76 |
3.09 |
| 32 |
.008 |
.650 |
.860 |
1.08 |
1.32 |
1.56 |
1.82 |
2.09 |
2.37 |
2.65 |
| 33 |
.0071 |
.560 |
.750 |
.940 |
1.13 |
1.34 |
1.56 |
1.80 |
2.04 |
2.26 |
| 34 |
.0063 |
.493 |
.658 |
.820 |
.978 |
1.16 |
1.34 |
1.54 |
1.74 |
1.93 |
| 35 |
.0056 |
.434 |
.577 |
.715 |
.846 |
1.01 |
1.16 |
1.32 |
1.49 |
1.66 |
| 36 |
.005 |
.382 |
.506 |
.623 |
.732 |
.872 |
.998 |
1.13 |
1.27 |
1.42 |
| 37 |
.0045 |
.337 |
.444 |
.543 |
.633 |
.755 |
.860 |
.970 |
1.09 |
1.21 |
| 38 |
.004 |
.296 |
.390 |
.474 |
.548 |
.654 |
.741 |
.831 |
.931 |
1.04 |
| 39 |
.0035 |
.261 |
.342 |
.413 |
.474 |
.567 |
.638 |
.712 |
.796 |
.888 |
| 40 |
.0031 |
.230 |
.300 |
.360 |
.410 |
.491 |
.550 |
.610 |
.680 |
.760 |
| Size and Approximate Cold Resistances of
Various Alloys for Common Wattages |
Watts at
Operating
Temperatures |
NlCHROME 80 |
NICHROME 60 |
RECOMMENDED |
| Ohms at 75 Degrees |
Ohms at 75 Degrees |
A.W.G. SIZES |
| 110-120 Volts |
220-240 Volts |
110-120 Volts |
220-240 Volts |
110-120 Volts |
220-240 Volts |
| 100 |
123.52 |
494.09 |
118.10 |
472.40 |
Max.26--30Min. |
Max.29--33Min. |
| 150 |
82.347 |
329.38 |
78.732 |
314.93 |
26-30 |
29-33 |
| 200 |
61.761 |
247.04 |
59.050 |
236.20 |
25-29 |
28-32 |
| 250 |
49.409 |
197.64 |
47.240 |
188.96 |
24-28 |
27-31 |
| 300 |
41.174 |
164.69 |
39.366 |
157.46 |
24-28 |
27-31 |
| 350 |
35.291 |
141.16 |
33.742 |
134.97 |
23-27 |
26-30 |
| 400 |
30.881 |
123.52 |
29.525 |
118.10 |
22-26 |
25-29 |
| 450 |
27.449 |
109.80 |
26.244 |
104.98 |
20--24 |
23--27 |
| 500 |
24.704 |
98.817 |
23.620 |
94.479 |
20--24 |
23--27 |
| 550 |
22.458 |
89.832 |
21.472 |
85.889 |
19-23 |
22--26 |
| 600 |
20.586 |
83.345 |
19.683 |
79.730 |
19--23 |
22--26 |
| 650 |
19.004 |
76.016 |
18.170 |
72.679 |
19--23 |
22--26 |
| 700 |
17.646 |
70.584 |
16.871 |
67.486 |
18--22 |
21--25 |
| 750 |
16.468 |
65.874 |
15.745 |
62.982 |
18--22 |
21--25 |
| 800 |
15.440 |
61.766 |
14.762 |
59.055 |
18-22 |
21--25 |
| 850 |
14.532 |
58.128 |
13.894 |
55.577 |
17--21 |
20-24 |
| 900 |
13.724 |
54.897 |
13.122 |
52.487 |
17--21 |
20-24 |
| 950 |
13.002 |
52.009 |
12.431 |
49.726 |
17--21 |
20--24 |
| 1000 |
12.352 |
49.409 |
11.810 |
47.240 |
16--20 |
19--23 |
| 1050 |
11.764 |
47.055 |
11.247 |
44.989 |
16-20 |
19--23 |
| 1100 |
11.229 |
44.918 |
10.737 |
42.946 |
16-20 |
19--23 |
| 1150 |
10.741 |
42.964 |
10.270 |
41.078 |
15--19 |
18-22 |
| 1200 |
10.2936 |
41.174 |
9.8418 |
39.367 |
15--19 |
18--22 |
| 1250 |
9.8817 |
39.527 |
9.4479 |
37.792 |
14--18 |
17-21 |
| 1300 |
9.5016 |
38.006 |
9.0845 |
36.338 |
14-18 |
17-21 |
| 1350 |
9.1497 |
37.599 |
8.7480 |
35.992 |
13--17 |
16--20 |
| 1400 |
8.8229 |
36.292 |
8.4356 |
34.743 |
13--17 |
16-20 |
| 1450 |
8.5188 |
34.075 |
8.1449 |
32.579 |
12--16 |
15--19 |
| 1500 |
8.2347 |
32.938 |
7.8732 |
31.493 |
12--16 |
15--19 |
| 2000 |
6.1761 |
24.704 |
5.9050 |
23.619 |
10--14 |
13--17 |
| 2500 |
4.9409 |
19.764 |
4.7240 |
18.896 |
9--13 |
12-16 |
| 3000 |
4.1174 |
16.469 |
3.9366 |
15.746 |
8--12 |
11-15 |
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