Kanthal Appliance Alloys Handbook – Nickel Chrome (Nichrome) wire and ribbon/strip table.

48 Kanthal Appliance Alloys Handbook
Cross
Diameter Resistance Surface
sectional
mm at 20 °Ccm
2
/
1)
Weight area area
A-1 APM /m at 20 °C g/m cm
2
/m mm
2
10.0 10.0 0.0185 17017 558 314 78.5
9.5 9.5 0.0205 14590 503 298 70.9
9.27 0.0215 13555 479 291 67.5
8.25 8.25 0.0271 9555 380 259 53.5
8.0 8.0 0.0288 8713 357 251 50.3
7.35 7.35 0.0342 6757 301 231 42.4
7.0 7.0 0.0377 5837 273 220 38.5
6.54 0.0432 4760 239 205 33.6
6.5 6.5 0.0437 4673 236 204 33.2
6.0 6.0 0.0513 3676 201 188 28.3
5.83 0.0543 3372 190 183 26.7
5.5 5.5 0.0610 2831 169 173 23.8
5.0 5.0 0.0738 2127 139 157 19.6
4.75 4.75 0.0818 1824 126 149 17.7
4.62 0.0865 1678 119 145 16.8
4.5 4.5 0.0912 1551 113 141 15.9
4.25 4.25 0.102 1306 101 134 14.2
4.11 0.109 1181 94.2 129 13.3
4.06 0.112 1139 91.9 128 12.9
4.0 4.0 0.115 1089 89.2 126 12.6
3.75 3.75 0.131 897 78.4 118 11.0
3.65 0.139 827 74.3 115 10.5
3.5 3.5 0.151 730 68.3 110 9.62
3.35 0.165 640 62.6 105 8.81
3.25 3.25 0.175 584 58.9 102 8.30
3.2 0.180 558 57.1 101 8.04
Standard Diameter range Resistivity Density
stock items Alloy mm mm
2
m
-1
gcm
-3
KANTHAL A-1 10.0-0.050 1.45 7.10
KANTHAL APM 10.0-0.20 1.45 7.10
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400
C
t
1.00 1.00 1.00 1.00 1.00 1.01 1.02 1.02 1.03 1.03 1.04 1.04 1.04 1.04 1.05
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
KANTHAL A-1, APM
Wire
Cross
Diameter Resistance Surface
sectional
mm at 20 °Ccm
2
/
1)
Weight area area
A-1 APM /m at 20 °C g/m cm
2
/m mm
2
3.0 3.0 0.205 459 50.2 94.2 7.07
2.95 0.212 437 48.5 92.7 6.83
2.9 2.9 0.220 415 46.9 91.1 6.61
2.8 2.8 0.235 374 43.7 88.0 6.16
2.65 0.263 317 39.2 83.3 5.52
2.6 2.6 0.273 299 37.7 81.7 5.31
2.5 2.5 0.295 266 34.9 78.5 4.91
2.4 0.321 235 32.1 75.4 4.52
2.34 0.337 218 30.5 73.5 4.30
2.3 2.3 0.349 207 29.5 72.3 4.15
2.25 0.365 194 28.2 70.7 3.98
2.2 2.2 0.381 181 27.0 69.1 3.80
2.05 0.439 147 23.4 64.4 3.30
2.03 0.448 142 23.0 63.8 3.24
2.0 2.0 0.462 136 22.3 62.8 3.14
1.83 0.551 104 18.7 57.5 2.63
1.8 1.8 0.570 99 18.1 56.5 2.54
1.7 1.7 0.639 83.6 16.1 53.4 2.27
1.6 0.695 73.7 14.8 51.2 2.09
1.6 0.721 69.7 14.3 50.3 2.01
1.5 1.5 0.821 57.4 12.5 47.1 1.77
1.4 0.942 46.7 10.9 44.0 1.54
1.3 1.09 37.4 9.42 40.8 1.33
1.2 1.2 1.28 29.4 8.03 37.7 1.13
1.1 1.53 22.6 6.75 34.6 0.950
1.0 1.0 1.85 17.0 5.58 31.4 0.785
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
Kanthal Appliance Alloys Handbook. 49
9
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
C
t
1.00 1.00 1.01 1.01 1.02 1.03 1.04 1.04 1.05 1.05 1.06 1.06 1.06 1.06
Cross
Diameter Resistance Surface
sectional
mm at 20 °Ccm
2
/
1)
Weight area area
AAF/m at 20 °C g/m cm
2
/m mm
2
10 10.0 0.0177 17751 562 314 78.
8.25 0.0260 9968 382 259 53.5
8.0 0.0277 9089 359 251 50.3
7.5 0.0315 7489 316 236 44.2
7.35 0.0328 7048 303 231 42.4
7.0 0.0361 6089 275 220 38.5
6.54 0.0414 4965 240 205 33.6
6.5 0.0419 4875 237 204 33.2
6.0 0.0492 3834 202 188 28.3
5.83 0.0521 3517 191 183 26.7
5.5 0.0585 2953 170 173 23.8
5.2 0.0655 2496 152 163 21.2
5.0 0.0708 2219 140 157 19.6
4.75 0.0784 1902 127 149 17.7
4.62 0.0829 1750 120 145 16.8
4.5 0.0874 1618 114 141 15.9
4.25 0.0980 1363 101 134 14.2
4.11 0.105 1232 94.9 129 13.3
4.0 0.111 1136 89.8 126 12.6
3.75 0.126 936 79.0 118 11.0
3.65 0.133 863 74.8 115 10.5
3.5 0.144 761 68.8 110 9.62
3.25 0.168 609 59.3 102 8.30
3.2 0.173 582 57.5 101 8.04
3.0 0.197 479 50.5 94.2 7.07
2.9 0.210 433 47.2 91.1 6.61
2.8 0.226 390 44.0 88.0 6.16
2.6 0.262 312 38.0 81.7 5.31
2.5 0.283 277 35.1 78.5 4.91
2.4 0.307 245 32.3 75.4 4.52
2.3 0.335 216 29.7 72.3 4.15
2.25 0.350 202 28.4 70.7 3.98
2.2 0.366 189 27.2 69.1 3.80
2.0 0.442 142 22.5 62.8 3.14
1.8 0.546 104 18.2 56.5 2.54
1.7 0.612 87.2 16.2 53.4 2.27
1.65 0.650 79.7 15.3 51.8 2.14
1.6 0.691 72.7 14.4 50.3 2.01
1.5 0.787 59.9 12.6 47.1 1.77
1.4 0.903 48.7 11.0 44.0 1.54
1.3 1.05 39.0 9.49 40.8 1.33
1.2 1.23 30.7 8.09 37.7 1.13
1.1 1.46 23.6 6.79 34.6 0.950
1.0 1.77 17.8 5.62 31.4 0.785
0.95 1.96 15.2 5.07 29.8 0.709
0.90 0.90 2.18 12.9 4.55 28.3 0.636
0.85 0.85 2.45 10.9 4.06 26.7 0.567
0.80 0.80 2.77 9.09 3.59 25.1 0.503
0.75 0.75 3.15 7.49 3.16 23.6 0.442
0.70 0.70 3.61 6.09 2.75 22.0 0.385
0.65 0.65 4.19 4.87 2.37 20.4 0.332
0.60 0.60 4.92 3.83 2.02 18.8 0.283
0.55 0.55 5.85 2.95 1.70 17.3 0.238
0.50 0.50 7.08 2.22 1.40 15.7 0.196
0.45 0.45 8.74 1.62 1.14 14.1 0.159
0.40 0.40 11.1 1.14 0.898 12.6 0.126
0.35 0.35 14.4 0.761 0.688 11.0 0.0962
0.30 0.30 19.7 0.479 0.505 9.42 0.0707
0.25 28.3 0.277 0.351 7.85 0.0491
0.20 44.2 0.142 0.225 6.28 0.0314
0.15 78.7 0.0599 0.126 4.71 0.0177
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
KANTHAL A, AF, AE
Wire
Cross
Diameter Resistance Surface
sectional
mm at 20 °Ccm
2
/
1)
Weight area area
AAF/m at 20 °C g/m cm
2
/m mm
2
Standard Diameter range Resistivity Density
stock items Alloy mm mm
2
m
-1
gcm
-3
KANTHAL A 10.0-0.05 1.39 7.15
KANTHAL AF 10.0-0.10 1.39 7.15
KANTHAL AE 10.0-0.20 1.39 7.15
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
50 Kanthal Appliance Alloys Handbook
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
C
t
1.00 1.00 1.01 1.01 1.02 1.03 1.04 1.04 1.05 1.05 1.06 1.06 1.06 1.06
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
4 1.0 0.378 265 26.3 100 3.68
0.90 0.420 234 23.7 98.0 3.31
0.80 0.472 203 21.0 96.0 2.94
0.70 0.540 174 18.4 94.0 2.58
0.60 0.630 146 15.8 92.0 2.21
0.50 0.755 119 13.2 90.0 1.84
0.40 0.944 93.2 10.5 88.0 1.47
0.30 1.26 68.3 7.89 86.0 1.10
0.20 1.89 44.5 5.26 84.0 0.736
0.15 2.52 33.0 3.95 83.0 0.552
0.10 3.78 21.7 2.63 82.0 0.368
3 1.0 0.504 159 19.7 80.0 2.76
0.90 0.560 139 17.8 78.0 2.48
0.80 0.630 121 15.8 76.0 2.21
0.70 0.719 103 13.8 74.0 1.93
0.60 0.839 85.8 11.8 72.0 1.66
0.50 1.01 69.5 9.87 70.0 1.38
0.40 1.26 54.0 7.89 68.0 1.10
0.30 1.68 39.3 5.92 66.0 0.828
0.20 2.52 25.4 3.95 64.0 0.552
0.15 3.36 18.8 2.96 63.0 0.414
0.10 5.04 12.3 1.97 62.0 0.276
2.5 1.0 0.604 116 16.4 70.0 2.30
0.90 0.671 101 14.8 68.0 2.07
0.80 0.755 87.4 13.2 66.0 1.84
0.70 0.863 74.1 11.5 64.0 1.61
0.60 1.01 61.6 9.87 62.0 1.38
0.50 1.21 49.6 8.22 60.0 1.15
0.40 1.51 38.4 6.58 58.0 0.920
0.30 2.01 27.8 4.93 56.0 0.690
0.20 3.02 17.9 3.29 54.0 0.460
0.15 4.03 13.2 2.47 53.0 0.345
0.10 6.04 8.60 1.64 52.0 0.230
2.0 1.0 0.755 79.4 13.2 60.0 1.84
0.90 0.839 69.1 11.8 58.0 1.66
0.80 0.944 59.3 10.5 56.0 1.47
0.70 1.08 50.0 9.21 54.0 1.29
0.60 1.26 41.3 7.89 52.0 1.10
0.50 1.51 33.1 6.58 50.0 0.920
0.40 1.89 25.4 5.26 48.0 0.736
0.30 2.52 18.3 3.95 46.0 0.552
0.20 3.78 11.6 2.63 44.0 0.368
0.15 5.04 8.54 1.97 43.0 0.276
2.0 0.10 7.55 5.56 1.32 42.0 0.184
1.8 1.0 0.839 66.7 11.8 56.0 1.66
0.90 0.933 57.9 10.7 54.0 1.49
0.80 1.05 49.6 9.47 52.0 1.32
0.70 1.20 41.7 8.29 50.0 1.16
0.60 1.40 34.3 7.10 48.0 0.994
0.50 1.68 27.4 5.92 46.0 0.828
0.40 2.10 21.0 4.74 44.0 0.662
0.30 2.80 15.0 3.55 42.0 0.497
0.20 4.20 9.53 2.37 40.0 0.331
0.15 5.60 6.97 1.78 39.0 0.248
0.10 8.39 4.53 1.18 38.0 0.166
1.5 1.0 1.01 49.6 9.87 50.0 1.38
0.90 1.12 42.9 8.88 48.0 1.24
0.80 1.26 36.5 7.89 46.0 1.10
0.70 1.44 30.6 6.91 44.0 0.966
0.60 1.68 25.0 5.92 42.0 0.828
0.50 2.01 19.9 4.93 40.0 0.690
0.40 2.52 15.1 3.95 38.0 0.552
0.30 3.36 10.7 2.96 36.0 0.414
0.20 5.04 6.75 1.97 34.0 0.276
0.15 6.71 4.91 1.48 33.0 0.207
0.10 10.1 3.18 0.987 32.0 0.138
0.090 11.2 2.84 0.888 31.8 0.124
0.080 12.6 2.51 0.789 31.6 0.110
1.2 0.80 1.57 25.4 6.31 40.0 0.883
0.70 1.80 21.1 5.53 38.0 0.773
0.60 2.10 17.2 4.74 36.0 0.662
0.50 2.52 13.5 3.95 34.0 0.552
0.40 3.15 10.2 3.16 32.0 0.442
0.30 4.20 7.15 2.37 30.0 0.331
0.20 6.30 4.45 1.58 28.0 0.221
0.15 8.39 3.22 1.18 27.0 0.166
0.10 12.6 2.07 0.789 26.0 0.110
0.090 14.0 1.84 0.710 25.8 0.0994
0.080 15.7 1.63 0.631 25.6 0.0883
0.070 18.0 1.41 0.553 25.4 0.0773
1.0 0.80 1.89 19.1 5.26 36.0 0.736
0.70 2.16 15.8 4.60 34.0 0.644
0.60 2.52 12.7 3.95 32.0 0.552
0.50 3.02 9.93 3.29 30.0 0.460
0.40 3.78 7.41 2.63 28.0 0.368
0.30 5.04 5.16 1.97 26.0 0.276
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
KANTHAL A, AF, AE
Ribbon
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
Resistivity Density
Alloy mm
2
m
-1
gcm
-3
KANTHAL A, AF, AE 1.39 7.15
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
(cont.)
Kanthal Appliance Alloys Handbook. 51
9
0.20 7.55 3.18 1.32 24.0 0.184
0.15 10.1 2.28 0.987 23.0 0.138
1.0 0.10 15.1 1.46 0.658 22.0 0.0920
0.090 16.8 1.30 0.592 21.8 0.0828
0.080 18.9 1.14 0.526 21.6 0.0736
0.070 21.6 0.991 0.460 21.4 0.0644
0.060 25.2 0.842 0.395 21.2 0.0552
0.050 30.2 0.695 0.329 21.0 0.0460
0.9 0.70 2.40 13.3 4.14 32.0 0.580
0.60 2.80 10.7 3.55 30.0 0.497
0.50 3.36 8.34 2.96 28.0 0.414
0.40 4.20 6.20 2.37 26.0 0.331
0.30 5.60 4.29 1.78 24.0 0.248
0.20 8.39 2.62 1.18 22.0 0.166
0.15 11.2 1.88 0.888 21.0 0.124
0.10 16.8 1.19 0.592 20.0 0.0828
0.090 18.7 1.06 0.533 19.8 0.0745
0.080 21.0 0.934 0.474 19.6 0.0662
0.070 24.0 0.809 0.414 19.4 0.0580
0.060 28.0 0.686 0.355 19.2 0.0497
0.050 33.6 0.566 0.296 19.0 0.0414
0.8 0.70 2.70 11.1 3.68 30.0 0.515
0.60 3.15 8.90 3.16 28.0 0.442
0.50 3.78 6.88 2.63 26.0 0.368
0.40 4.72 5.08 2.10 24.0 0.294
0.30 6.30 3.49 1.58 22.0 0.221
0.20 9.44 2.12 1.05 20.0 0.147
0.15 12.6 1.51 0.789 19.0 0.110
0.10 18.9 0.953 0.526 18.0 0.0736
0.090 21.0 0.848 0.474 17.8 0.0662
0.080 23.6 0.746 0.421 17.6 0.0589
0.070 27.0 0.645 0.368 17.4 0.0515
0.060 31.5 0.546 0.316 17.2 0.0442
0.050 37.8 0.450 0.263 17.0 0.0368
0.7 0.60 3.60 7.23 2.76 26.0 0.386
0.50 4.32 5.56 2.30 24.0 0.322
0.40 5.40 4.08 1.84 22.0 0.258
0.30 7.19 2.78 1.38 20.0 0.193
0.20 10.8 1.67 0.921 18.0 0.129
0.15 14.4 1.18 0.691 17.0 0.097
0.10 21.6 0.741 0.460 16.0 0.0644
0.090 24.0 0.659 0.414 15.8 0.0580
0.080 27.0 0.578 0.368 15.6 0.0515
0.7 0.070 30.8 0.499 0.322 15.4 0.0451
0.060 36.0 0.423 0.276 15.2 0.0386
0.050 43.2 0.347 0.230 15.0 0.0322
0.6 0.50 5.0 4.37 1.97 22.0 0.276
0.40 6.3 3.18 1.58 20.0 0.221
0.30 8.4 2.14 1.18 18.0 0.166
0.20 12.6 1.27 0.789 16.0 0.110
0.15 16.8 0.894 0.592 15.0 0.0828
0.10 25.2 0.556 0.395 14.0 0.0552
0.090 28.0 0.493 0.355 13.8 0.0497
0.080 31.5 0.432 0.316 13.6 0.0442
0.070 36.0 0.373 0.276 13.4 0.0386
0.060 42.0 0.315 0.237 13.2 0.0331
0.050 50.4 0.258 0.197 13.0 0.0276
0.040 63.0 0.203 0.158 12.8 0.0221
0.5 0.30 10.1 1.59 0.987 16.0 0.138
0.20 15.1 0.927 0.658 14.0 0.0920
0.15 20.1 0.645 0.493 13.0 0.0690
0.10 30.2 0.397 0.329 12.0 0.0460
0.090 33.6 0.351 0.296 11.8 0.0414
0.080 37.8 0.307 0.263 11.6 0.0368
0.070 43.2 0.264 0.230 11.4 0.0322
0.060 50.4 0.222 0.197 11.2 0.0276
0.050 60.4 0.182 0.164 11.0 0.0230
0.040 75.5 0.143 0.132 10.8 0.0184
0.4 0.30 12.6 1.11 0.789 14.0 0.110
0.20 18.9 0.635 0.526 12.0 0.0736
0.15 25.2 0.437 0.395 11.0 0.0552
0.10 37.8 0.265 0.263 10.0 0.0368
0.090 42.0 0.234 0.237 9.80 0.0331
0.080 47.2 0.203 0.210 9.60 0.0294
0.070 54.0 0.174 0.184 9.40 0.0258
0.060 63.0 0.146 0.158 9.20 0.0221
0.050 75.5 0.119 0.132 9.00 0.0184
0.3 0.20 25.2 0.397 0.395 10.0 0.0552
0.15 33.6 0.268 0.296 9.00 0.0414
0.10 50.4 0.159 0.197 8.00 0.0276
0.090 56.0 0.139 0.178 7.80 0.0248
0.080 63.0 0.121 0.158 7.60 0.0221
0.070 71.9 0.103 0.138 7.40 0.0193
0.060 83.9 0.0858 0.118 7.20 0.0166
0.050 101 0.0695 0.0987 7.00 0.0138
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
(cont.)
KANTHAL A, AF, AE
Ribbon
Resistivity Density
Alloy mm
2
m
-1
gcm
-3
KANTHAL A, AF, AE 1.39 7.15
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
C
t
1.00 1.00 1.01 1.01 1.02 1.03 1.04 1.04 1.05 1.05 1.06 1.06 1.06 1.06
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
52 Kanthal Appliance Alloys Handbook
Cross
Dia- Resistance Surface
sectional
meter at 20 °Ccm
2
/
1)
Weight area area
mm /m at 20 °C g/m cm
2
/m mm
2
8.0 0.0269 9358 364 251 50.3
6.5 0.0407 5019 241 204 33.2
6.0 0.0477 3948 205 188 28.3
5.5 0.0568 3041 172 173 23.8
5.0 0.0688 2285 142 157 19.6
4.75 0.0762 1959 128 149 17.7
4.5 0.0849 1666 115 141 15.9
4.25 0.0952 1403 103 134 14.2
4.06 0.104 1223 93.9 128 12.9
4.0 0.107 1170 91.1 126 12.6
3.75 0.122 964 80.1 118 11.0
3.65 0.129 889 75.9 115 10.5
3.5 0.140 784 69.8 110 9.62
3.25 0.163 627 60.1 102 8.30
3.0 0.191 493 51.2 94.2 7.07
2.95 0.198 469 49.6 92.7 6.8
2.8 0.219 401 44.6 88.0 6.16
2.65 0.245 340 40.0 83.3 5.5
2.5 0.275 286 35.6 78.5 4.91
2.0 0.430 146 22.8 62.8 3.14
1.8 0.531 107 18.4 56.5 2.54
1.7 0.595 89.8 16.5 53.4 2.27
1.6 0.671 74.9 14.6 50.3 2.01
1.5 0.764 61.7 12.8 47.1 1.77
1.4 0.877 50.2 11.2 44.0 1.54
1.3 1.02 40.2 9.62 40.8 1.33
1.2 1.19 31.6 8.20 37.7 1.13
1.1 1.42 24.3 6.89 34.6 0.950
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
C
t
1.00 1.00 1.01 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.07 1.07 1.08 1.08
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
KANTHAL D
Wire
Cross
Dia- Resistance Surface
sectional
meter at 20 °Ccm
2
/
1)
Weight area area
mm /m at 20 °C g/m cm
2
/m mm
2
1.0 1.72 18.3 5.69 31.4 0.785
0.95 1.90 15.7 5.14 29.8 0.709
0.90 2.12 13.3 4.61 28.3 0.636
0.85 2.38 11.2 4.11 26.7 0.567
0.80 2.69 9.36 3.64 25.1 0.503
0.75 3.06 7.71 3.20 23.6 0.442
0.70 3.51 6.27 2.79 22.0 0.385
0.65 4.07 5.02 2.41 20.4 0.332
0.60 4.77 3.95 2.05 18.8 0.283
0.55 5.68 3.04 1.72 17.3 0.238
0.50 6.88 2.28 1.42 15.7 0.196
0.45 8.49 1.67 1.15 14.1 0.159
0.42 9.74 1.35 1.00 13.2 0.139
0.40 10.7 1.17 0.911 12.6 0.126
0.35 14.0 0.784 0.698 11.0 0.0962
0.32 16.8 0.599 0.583 10.1 0.0804
0.30 19.1 0.493 0.512 9.42 0.0707
0.28 21.9 0.401 0.446 8.80 0.061
0.25 27.5 0.286 0.356 7.85 0.0491
0.22 35.5 0.195 0.276 6.91 0.0380
0.20 43.0 0.146 0.228 6.28 0.0314
0.19 47.6 0.125 0.206 5.97 0.0284
0.18 53.1 0.107 0.184 5.65 0.0254
0.17 59.5 0.0898 0.165 5.34 0.0227
0.16 67.1 0.0749 0.146 5.03 0.0201
0.15 76.4 0.0617 0.128 4.71 0.0177
0.14 87.7 0.0502 0.112 4.40 0.0154
0.13 102 0.0402 0.0962 4.08 0.0133
Standard Diameter range Resistivity Density
stock items Alloy mm mm
2
m
-1
gcm
-3
D 8.0-0.020 1.35 7.25
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
Kanthal Appliance Alloys Handbook. 53
9
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
C
t
1.00 1.00 1.01 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.07 1.07 1.08 1.08
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
4 1.0 0.367 273 26.7 100 3.68
0.90 0.408 240 24.0 98.0 3.31
0.80 0.459 209 21.3 96.0 2.94
0.70 0.524 179 18.7 94.0 2.58
0.60 0.611 150 16.0 92.0 2.21
0.50 0.734 123 13.3 90.0 1.84
0.40 0.917 96.0 10.7 88.0 1.47
0.30 1.22 70.3 8.00 86.0 1.10
0.20 1.83 45.8 5.34 84.0 0.736
0.15 2.45 33.9 4.00 83.0 0.552
0.10 3.67 22.4 2.67 82.0 0.368
3 1.0 0.489 164 20.0 80.0 2.76
0.90 0.543 144 18.0 78.0 2.48
0.80 0.611 124 16.0 76.0 2.21
0.70 0.699 106 14.0 74.0 1.93
0.60 0.815 88.3 12.0 72.0 1.66
0.50 0.978 71.6 10.0 70.0 1.38
0.40 1.22 55.6 8.0 68.0 1.10
0.30 1.63 40.5 6.0 66.0 0.828
0.20 2.45 26.2 4.0 64.0 0.552
0.15 3.26 19.3 3.0 63.0 0.414
0.10 4.89 12.7 2.0 62.0 0.276
2.5 1.0 0.587 119 16.7 70.0 2.30
0.90 0.652 104 15.0 68.0 2.07
0.80 0.734 90.0 13.3 66.0 1.84
0.70 0.839 76.3 11.7 64.0 1.61
0.60 0.978 63.4 10.0 62.0 1.38
0.50 1.17 51.1 8.34 60.0 1.15
0.40 1.47 39.5 6.67 58.0 0.920
0.30 1.96 28.6 5.00 56.0 0.690
0.20 2.93 18.4 3.34 54.0 0.460
0.15 3.91 13.5 2.50 53.0 0.345
0.10 5.87 8.86 1.67 52.0 0.230
2.25 1.0 0.652 99.7 15.0 65.0 2.07
0.90 0.725 86.9 13.5 63.0 1.86
0.80 0.815 74.8 12.0 61.0 1.66
0.70 0.932 63.3 10.5 59.0 1.45
0.60 1.09 52.4 9.00 57.0 1.24
0.50 1.30 42.2 7.50 55.0 1.04
0.40 1.63 32.5 6.00 53.0 0.828
0.30 2.17 23.5 4.50 51.0 0.621
0.20 3.26 15.0 3.00 49.0 0.414
2,25 0.15 4.35 11.0 2.25 48.0 0.311
0.10 6.52 7.21 1.50 47.0 0.207
2.0 1.0 0.734 81.8 13.3 60.0 1.84
0.90 0.815 71.1 12.0 58.0 1.66
0.80 0.917 61.1 10.7 56.0 1.47
0.70 1.05 51.5 9.34 54.0 1.29
0.60 1.22 42.5 8.00 52.0 1.10
0.50 1.47 34.1 6.67 50.0 0.920
0.40 1.83 26.2 5.34 48.0 0.736
0.30 2.45 18.8 4.00 46.0 0.552
0.20 3.67 12.0 2.67 44.0 0.368
0.15 4.89 8.79 2.00 43.0 0.276
0.10 7.34 5.72 1.33 42.0 0.184
1.75 1.0 0.839 65.6 11.7 55.0 1.61
0.90 0.932 56.9 10.5 53.0 1.45
0.80 1.05 48.7 9.34 51.0 1.29
0.70 1.20 40.9 8.17 49.0 1.13
0.60 1.40 33.6 7.00 47.0 0.966
0.50 1.68 26.8 5.84 45.0 0.805
0.40 2.10 20.5 4.67 43.0 0.644
0.30 2.80 14.7 3.50 41.0 0.483
0.20 4.19 9.30 2.33 39.0 0.322
0.15 5.59 6.80 1.75 38.0 0.242
0.10 8.39 4.41 1.17 37.0 0.161
1.5 0.70 1.40 31.5 7.00 44.0 0.966
0.60 1.63 25.8 6.00 42.0 0.828
0.50 1.96 20.4 5.00 40.0 0.690
0.40 2.45 15.5 4.00 38.0 0.552
0.30 3.26 11.0 3.00 36.0 0.414
0.20 4.89 6.95 2.00 34.0 0.276
0.15 6.52 5.06 1.50 33.0 0.207
0.10 9.78 3.27 1.00 32.0 0.138
0.090 10.9 2.93 0.900 31.8 0.124
0.080 12.2 2.58 0.800 31.6 0.110
1.25 0.60 1.96 18.9 5.00 37.0 0.690
0.50 2.35 14.9 4.17 35.0 0.575
0.40 2.93 11.2 3.34 33.0 0.460
0.30 3.91 7.92 2.50 31.0 0.345
0.20 5.87 4.94 1.67 29.0 0.230
0.15 7.83 3.58 1.25 28.0 0.173
0.10 11.7 2.30 0.834 27.0 0.115
0.090 13.0 2.05 0.750 26.8 0.104
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
KANTHAL D, DT
Ribbon
Resis-
Cross
Thick- tance Surface
sectional
Width ness at 20 °Ccm
2
/
1)
Weight area area
mm mm /m at 20 °C g/m cm
2
/m mm
2
Resistivity Density
Alloy mm
2
m
-1
gcm
-3
KANTHAL D 1.39 7.25
KANTAHL DT 1.37 7.25
1)
cm
2
/ = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
(cont.)
54 Kanthal Appliance Alloys Handbook
1.25 0.080 14.7 1.81 0.667 26.6 0.0920
0.070 16.8 1.57 0.584 26.4 0.0805
1.0 0.60 2.45 13.1 4.00 32.0 0.552
0.50 2.93 10.2 3.34 30.0 0.460
0.40 3.67 7.63 2.67 28.0 0.368
0.30 4.89 5.32 2.00 26.0 0.276
0.20 7.34 3.27 1.33 24.0 0.184
0.15 9.78 2.35 1.00 23.0 0.138
0.10 14.7 1.50 0.667 22.0 0.0920
0.090 16.3 1.34 0.600 21.8 0.0828
0.080 18.3 1.18 0.534 21.6 0.0736
0.070 21.0 1.02 0.467 21.4 0.0644
0.060 24.5 0.867 0.400 21.2 0.0552
0.050 29.3 0.716