Datasheet

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
/Ω
1)
Weight area area
AAFΩ/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
/Ω
1)
Weight area area
AAFΩ/m at 20 °C g/m cm
2
/m mm
2
Standard Diameter range Resistivity Density
stock items Alloy mm Ωmm
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
/Ω = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)