A GRADE NICKEL

80% Ni / 20% Cr 650 CMF 

 C GRADE NICKEL

60%Ni / 15% Cr / Bal Fe
670 CMF

 KANTHAL AF™

837 CMF

 KANTHAL A1™

FeCrAl 875 CMF 

 KANTHAL D™

FeCrAl 815 CMF 
WIRE INCH OHMS FEET OHMS FEET OHMS FEET OHMS FEET OHMS FEET
GA. DIA. PER FT. PER LB. PER FT. PER LB. PER FT. PER LB. PER FT. PER LB. PER FT. PER LB.
0 0.325 .0062 3.351 .0063 3.397 .0079 3.897 .0083 3.927 .0077 3.837
1 0.289 .0078 4.226 .0080 4.283 .0100 4.914 .0105 4.952 .0097 4.839
2 0.258 .0099 5.329 .0101 5.401 .0126 6.196 .0132 6.245 .0123 6.102
3 0.229 .0124 6.719 .0127 6.810 .0159 7.813 .0166 7.874 .0155 7.694
4 0.204 .0157 8.473 .0160 8.588 .0201 9.852 .0210 9.929 .0195 9.702
5 0.182 .0198 10.68 .0202 10.83 .0253 12.42 .0264 12.52 .0246 12.23
6 0.162 .0250 13.47 .0254 13.65 .0319 15.67 .0333 15.79 .0310 15.43
7 0.144 .0315 16.99 .0321 17.22 .0402 19.75 .0420 19.91 .0391 19.45
8 0.128 .0397 21.42 .0405 21.71 .0507 24.91 .0530 25.10 .0494 24.53
9 0.114 .0500 27.01 .0510 27.38 .0639 31.41 .0668 31.66 .0622 30.93
10 0.102 .0631 34.06 .0643 34.52 .0806 39.61 .0843 39.92 .0785 39.00
11 0.0907 .0795 42.95 .0811 43.53 .1017 49.95 .1063 50.34 .0990 49.18
12 0.0808 .1003 54.16 .1023 54.90 .1282 62.98 .1340 63.47 .1248 62.02
13 0.0720 .1265 68.30 .1290 69.22 .1616 79.42 .1690 80.04 .1574 78.20
14 0.0641 .1595 86.12 .1627 87.29 .2038 100.1 .2131 100.9 .1985 98.61
15 0.0571 .2011 108.6 .2051 110.1 .2570 126.3 .2687 127.3 .2503 124.4
16 0.0508 .2536 136.9 .2586 138.8 .3241 159.2 .3388 160.5 .3156 156.8
17 0.0453 .3198 172.7 .3261 175.0 .4087 200.8 .4272 202.4 .3979 197.7
18 0.0403 .4033 217.7 .4113 220.7 .5153 253.2 .5387 255.2 .5018 249.3
19 0.0359 .5085 274.6 .5186 278.3 .6498 319.3 .6793 321.8 .6327 314.4
20 0.0320 .6412 346.2 .6539 350.9 .8194 402.6 .8566 405.7 .7978 396.4
21 0.0285 .8086 436.6 .8246 442.5 1.0332 507.7 1.0801 511.6 1.0061 499.9
22 0.0253 1.020 550.5 1.0398 558.0 1.3029 640.2 1.3620 645.2 1.2686 630.4
23 0.0226 1.286 694.2 1.3112 703.6 1.6429 807.2 1.7175 813.5 1.5997 794.9
24 0.0201 1.621 875.4 1.6534 887.2 2.0716 1017.88 2.1657 1025.84 2.0172 1002.34
25 0.0179 2.044 1103.8 2.0848 1118.8 2.6123 1283.5 2.7309 1293.6 2.5436 1263.9
26 0.0159 2.578 1391.9 2.6289 1410.7 3.2941 1618.5 3.4436 1631.1 3.2075 1593.8
27 0.0142 3.251 1755.2 3.3150 1778.9 4.1537 2040.9 4.3423 2056.8 4.0445 2009.7
28 0.0126 4.099 2213.2 4.1802 2243.1 5.2378 2573.5 5.4756 2593.6 5.1001 2534.2
29 0.0113 5.169 2790.8 5.2711 2828.6 6.6047 3245.2 6.9046 3270.5 6.4311 3195.6
30 0.0100 6.517 3519.2 6.6468 3566.8 8.3284 4092.1 8.7065 4124.1 8.1095 4029.6
31 0.00893 8.218 4437.6 8.3815 4497.6 10.5019 5160.0 10.9787 5200.3 10.2259 5081.3
32 0.00795 10.36 5595.8 10.57 5671.4 13.24 6506.7 13.84 6557.5 12.89 6407.4
33 0.00708 13.07 7056.1 13.33 7151.5 16.70 8204.8 17.46 8268.9 16.26 8079.5
34 0.00630 16.48 8897.6 16.81 9017.9 21.06 10346.1 22.01 10426.9 20.50 10188.1
35 0.00562 20.78 11220 21.19 11371 26.55 13046 27.76 13148 25.85 12847