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Nichrome A and Nichrome C Industrial heating wires

Nichrome heater wire is of two types Nichrome A and Nichrome C. Nichrome A is made of NiCr alloy containing 80% nickel and 20% chromium. It has lower temperature coefficient of resistance as compare to Nichrome C. Nichrome A has service temperature up to 1150oC or 2100oF.

Nichrome C heater wire is made of NiCr alloy  containing 60% nickel and 16% chromium and remaining iron 24%. Nichrome C has service temperature up to 1000oC or 1850oF. It has higher coefficient of electric resistance as compared to Nichrome A.

Both Nichrome A and Nichrome C offer outstanding corrosion resistance.

Nichrome C is a significant material in applications that need high resistance in a controlled space. In the heating and technical applications, Nichrome A is widely employed. Nichrome A and Nichrome C wires are made in large or small spool sizes, coils or straightened and cut to length.

Nichrome A

Wire Gauge Inches mm Ohms/Foot Feet/Pound
000 0.410 inches 10.414 mm 0.003867 Ohms / Foot 2.077 Feet / Pound
00 0.365 inches 9.271 mm 0.004879 Ohms / Foot 2.621 Feet / Pound
0 0.325 inches 8.255 mm 0.006154 Ohms / Foot 3.305 Feet / Pound
1 0.289 inches 7.341 mm 0.007782 Ohms / Foot 4.180 Feet / Pound
2 0.258 inches 6.553 mm 0.009765 Ohms / Foot 5.245 Feet / Pound
3 0.229 inches 5.817 mm 0.01240 Ohms / Foot 6.658 Feet / Pound
4 0.204 inches 5.182 mm 0.01562 Ohms / Foot 8.390 Feet / Pound
5 0.182 inches 4.623 mm 0.01962 Ohms / Foot 10.54 Feet / Pound
6 0.162 inches 4.115 mm 0.02477 Ohms / Foot 13.30 Feet / Pound
7 0.114 inches 3.658 mm 0.03135 Ohms / Foot 16.84 Feet / Pound
8 0.128 inches 3.251 mm 0.03967 Ohms / Foot 21.31 Feet / Pound
9 0.114 inches 2.896 mm 0.05002 Ohms/Foot 26.87 Feet / Pound
10 0.102 inches 2.591 mm 0.06248 Ohms / Foot 33.56 Feet / Pound
11 0.091 inches 2.311 mm 0.07849 Ohms / Foot 42.16 Feet / Pound
12 0.081 inches 2.057 mm 0.09907 Ohms / Foot 53.21 Feet / Pound
13 0.072 inches 1.829 mm 0.01254 Ohms / Foot 67.35 Feet / Pound
14 0.064 inches 1.626 mm 0.01587 Ohms / Foot 85.24 Feet / Pound
15 0.057 inches 1.448 mm 0.2001 Ohms / Foot 107.50 Feet / Pound
16 0.051 inches 1.295 mm 0.2499 Ohms / Foot 134.20 Feet / Pound
17 0.045 inches 1.143 mm 0.3210 Ohms / Foot 172.40 Feet / Pound
18 0.040 inches 1.016 mm 0.4063 Ohms / Foot 218.20 Feet / Pound
19 0.0360 inches 0.9140 mm 0.5015 Ohms / Foot 269.40 Feet / Pound
20 0.0320 inches 0.8130 mm 0.6348 Ohms / Foot 341.00 Feet / Pound
21 0.0285 inches 0.7239 mm 0.8002 Ohms / Foot 429.80 Feet / Pound
22 0.0253 inches 0.6426 mm 1.015 Ohms / Foot 545.50 Feet / Pound
23 0.0226 inches 0.5740 mm 0.273 Ohms / Foot 683.60 Feet / Pound
24 0.0201 inches 0.5105 mm 0.609 Ohms / Foot 864.20 Feet / Pound
25 0.0179 inches 0.4547 mm 2.029 Ohms / Foot 1090 Feet / Pound
26 0.0159 inches 0.4039 mm 2.571 Ohms / Foot 1381 Feet / Pound
27 0.0142 inches 0.3607 mm 3.224 Ohms / Foot 1731 Feet / Pound
28 0.0126 inches 0.3200 mm 4.094 Ohms / Foot 2199 Feet / Pound
29 0.0113 inches 0.2870 mm 5.090 Ohms / Foot 2734 Feet / Pound
30 0.0100 inches 0.2540 mm 6.500 Ohms / Foot 3491 Feet / Pound
31 0.0089 inches 0.2261 mm 8.206 Ohms / Foot 4408 Feet / Pound
32 0.0080 inches 0.2032 mm 10.160 Ohms / Foot 5455 Feet / Pound
33 0.0071 inches 0.1803 mm 12.890 Ohms / Foot 5626 Feet / Pound
34 0.0063 inches 0.1600 mm 16.380 Ohms / Foot 8797 Feet / Pound
35 0.0056 inches 0.1422 mm 20.730 Ohms / Foot 11130 Feet / Pound
36 0.0050 inches 0.1270 mm 26.000 Ohms / Foot 13970 Feet / Pound
37 0.0045 inches 0.113 mm 32.100 Ohms / Foot 17240 Feet / Pound
38 0.0040 inches 0.1016 mm 40.630 Ohms / Foot 21820 Feet / Pound
39 0.0035 inches 0.0889 mm 53.060 Ohms / Foot 28500 Feet / Pound
40 0.00310 inches 0.0787 mm 67.640 Ohms / Foot 36330 Feet / Pound
41 0.00275 inches 0.0699 mm 85.950 Ohms / Foot 46170 Feet / Pound
42 0.00250 inches 0.0635 mm 104.000 Ohms / Foot 55860 Feet / Pound
43 0.00225 inches 0.0672 mm 128.400 Ohms / Foot 68970 Feet / Pound
44 0.00200 inches 0.0508 mm 162.500 Ohms / Foot 87280 Feet / Pound
45 0.00175 inches 0.0445 mm 212.00 Ohms / Foot 114000 Feet / Pound
46 0.00150 inches 0.0381 mm 288.900 Ohms / Foot 155200 Feet / Pound

Nichrome C

Wire Gauge Inches mm Ohms/Foot Feet/Pound
000 0.410 Inches 10.414 mm 0.004015 Ohms / Foot 2.119 Feet / Pound
00 0.365 Inches 9.271 mm 0.005067 Ohms / Foot 2.673 Feet / Pound
0 0.325 Inches 8.255 mm 0.006391 Ohms / Foot 3.372 Feet / Pound
1 0.289 Inches 7.341 mm 0.008082 Ohms / Foot 4.264 Feet / Pound
2 0.258 Inches 6.553 mm 0.01014 Ohms / Foot 5.351 Feet / Pound
3 0.229 Inches 5.817 mm 0.01287 Ohms / Foot 6.792 Feet / Pound
4 0.204 Inches 5.182 mm 0.01622 Ohms / Foot 8.559 Feet / Pound
5 0.182 Inches 4.623 mm 0.02038 Ohms / Foot 10.75 Feet / Pound
6 0.162 Inches 4.115 mm 0.02572 Ohms / Foot 13.57 Feet / Pound
7 0.114 Inches 3.658 mm 0.03255 Ohms / Foot 17.18 Feet / Pound
8 0.128 Inches 3.251 mm 0.04120 Ohms / Foot 21.74 Feet / Pound
9 0.114 Inches 2.896 mm 0.05194 Ohms / Foot 17.41 Feet / Pound
10 0.102 Inches 2.591 mm 0.06488 Ohms / Foot 34.23 Feet / Pound
11 0.091 Inches 2.311 mm 0.08151 Ohms / Foot 43.01 Feet / Pound
12 0.081 Inches 2.057 mm 0.1029 Ohms / Foot 54.29 Feet / Pound
13 0.072 Inches 1.829 mm 0.1302 Ohms / Foot 68.71 Feet / Pound
14 0.064 Inches 1.626 mm 0.1648 Ohms / Foot 86.96 Feet / Pound
15 0.057 Inches 1.448 mm 0.2078 Ohms / Foot 109.6 Feet / Pound
16 0.051 Inches 1.295 mm 0.2595 Ohms / Foot 136.9 Feet / Pound
17 0.045 Inches 1.143 mm 0.3333 Ohms / Foot 175.9 Feet / Pound
18 0.040 Inches 1.016 mm 0.4219 Ohms / Foot 222.6 Feet / Pound
19 0.0360 Inches 0.9140 mm 0.5208 Ohms / Foot 274.8 Feet / Pound
20 0.0320 Inches 0.8130 mm 0.6592 Ohms / Foot 347.8 Feet / Pound
21 0.0285 Inches 0.7239 mm 0.831 Ohms / Foot 438.5 Feet / Pound
22 0.0253 Inches 0.6426 mm 10055 Ohms / Foot 556.4 Feet / Pound
23 0.0226 Inches 0.5740 mm 1.322 Ohms / Foot 697.3 Feet / Pound
24 0.0201 Inches 0.5105 mm 1.671 Ohms / Foot 881.6 Feet / Pound
25 0.0179 Inches 0.4547 mm 2.107 Ohms / Foot 1112 Feet / Pound
26 0.0159 Inches 0.4039 mm 2.670 Ohms / Foot 1409 Feet / Pound
27 0.0142 Inches 0.3607 mm 3.348 Ohms / Foot 1766 Feet / Pound
28 0.0126 Inches 0.3200 mm 4.252 Ohms / Foot 2243 Feet / Pound
29 0.0113 Inches 0.2870 mm 5.286 Ohms / Foot 2289 Feet / Pound
30 0.0100 Inches 0.2540 mm 6.750 Ohms / Foot 2562 Feet / Pound
31 0.0089 Inches 0.2261 mm 8.522 Ohms / Foot 4497 Feet / Pound
32 0.0080 Inches 0.2032 mm 10.55 Ohms / Foot 5565 Feet / Pound
33 0.0071 Inches 0.1803 mm 13.39 Ohms / Foot 7065 Feet / Pound
34 0.0063 Inches 0.1600 mm 17.01 Ohms / Foot 8974 Feet / Pound
35 0.0056 Inches 0.1422 mm 21.52 Ohms / Foot 11360 Feet / Pound
36 0.0050 Inches 0.1270 mm 27.00 Ohms / Foot 14250 Feet / Pound
37 0.0045 Inches 0.113 mm 33.33 Ohms / Foot 17590 Feet / Pound
38 0.0040 Inches 0.1016 mm 42.19 Ohms / Foot 22260 Feet / Pound
39 0.0035 Inches 0.0889 mm 55.10 Ohms / Foot 29080 Feet / Pound
40 0.00310 Inches 0.0787 mm 70.24 Ohms / Foot 37060 Feet / Pound
41 0.00275 Inches 0.0699 mm 89.26 Ohms / Foot 47100 Feet / Pound
42 0.00250 Inches 0.0635 mm 108.00 Ohms / Foot 55990 Feet / Pound
43 0.00225 Inches 0.0672 mm 133.30 Ohms / Foot 70350 Feet / Pound
44 0.00200 Inches 0.0508 mm 168.80 Ohms / Foot 89040 Feet / Pound
45 0.00175 Inches 0.0445 mm 220.40 Ohms / Foot 116300 Feet / Pound
46 0.00150 Inches 0.0381 mm 300.00 Ohms / Foot 158300 Feet / Pound