Datasheet

52 Kanthal Appliance Alloys Handbook
Cross
Dia- Resistance Surface sectional
meter at 20 °Ccm
2
/Ω
1)
Weight area area
mm Ω/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
/Ω
1)
Weight area area
mm Ω/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 Ωmm
2
m
-1
gcm
-3
■ D 8.0-0.020 1.35 7.25
1)
cm
2
/Ω = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)