Datasheet

Kanthal Appliance Alloys Handbook. 61
9
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200
N80 C
t
1.00 1.01 1.02 1.03 1.04 1.05 1.04 1.04 1.04 1.04 1.05 1.06 1.07
N60 C
t
1.00 1.02 1.04 1.05 1.06 1.08 1.09 1.09 1.10 1.10 1.11 1.12 1.13
N40 C
t
1.00 1.03 1.06 1.10 1.12 1.15 1.17 1.19 1.21 1.22 1.23 1.24
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
NIKROTHAL 80, 60, 40
Ribbon
Resis- Cross
Thick- tance Surface sectional
Width ness at 20 °Ccm
2
/Ω
1)
Weight area area
mm mm Ω/m at 20 °C g/m cm
2
/m mm
2
Resis- Cross
Thick- tance Surface sectional
Width ness at 20 °Ccm
2
/Ω
1)
Weight area area
mm mm Ω/m at 20 °C g/m cm
2
/m mm
2
4 1.0 0.296 338 30.5 100 3.68
0.90 0.329 298 27.5 98.0 3.31
0.80 0.370 259 24.4 96.0 2.94
0.70 0.423 222 21.4 94.0 2.58
0.60 0.494 186 18.3 92.0 2.21
0.50 0.592 152 15.3 90.0 1.84
0.40 0.740 119 12.2 88.0 1.47
0.30 0.987 87.1 9.16 86.0 1.10
0.20 1.48 56.7 6.11 84.0 0.736
0.15 1.97 42.0 4.58 83.0 0.552
0.10 2.96 27.7 3.05 82.0 0.368
3 1.0 0.395 203 22.9 80.0 2.76
0.90 0.439 178 20.6 78.0 2.48
0.80 0.494 154 18.3 76.0 2.21
0.70 0.564 131 16.0 74.0 1.93
0.60 0.658 109 13.7 72.0 1.66
0.50 0.790 88.6 11.5 70.0 1.38
0.40 0.987 68.9 9.16 68.0 1.10
0.30 1.32 50.1 6.87 66.0 0.828
0.20 1.97 32.4 4.58 64.0 0.552
0.15 2.63 23.9 3.44 63.0 0.414
0.10 3.95 15.7 2.29 62.0 0.276
2.5 1.0 0.474 148 19.1 70.0 2.30
0.90 0.527 129 17.2 68.0 2.07
0.80 0.592 111 15.3 66.0 1.84
0.70 0.677 94.5 13.4 64.0 1.61
0.60 0.790 78.5 11.5 62.0 1.38
0.50 0.948 63.3 9.55 60.0 1.15
0.40 1.18 49.0 7.64 58.0 0.920
0.30 1.58 35.4 5.73 56.0 0.690
0.20 2.37 22.8 3.82 54.0 0.460
0.15 3.16 16.8 2.86 53.0 0.345
0.10 4.74 11.0 1.91 52.0 0.230
2.0 1.0 0.592 101 15.3 60.0 1.84
0.90 0.658 88.1 13.7 58.0 1.66
0.80 0.740 75.6 12.2 56.0 1.47
2.0 0.70 0.846 63.8 10.7 54.0 1.29
0.60 0.987 52.7 9.16 52.0 1.10
0.50 1.18 42.2 7.64 50.0 0.920
0.40 1.48 32.4 6.11 48.0 0.736
0.30 1.97 23.3 4.58 46.0 0.552
0.20 2.96 14.9 3.05 44.0 0.368
0.15 3.95 10.9 2.29 43.0 0.276
0.10 5.92 7.09 1.53 42.0 0.184
1.8 1.0 0.658 85.1 13.7 56.0 1.66
0.90 0.731 73.8 12.4 54.0 1.49
0.80 0.823 63.2 11.0 52.0 1.32
0.70 0.940 53.2 9.62 50.0 1.16
0.60 1.10 43.8 8.25 48.0 0.994
0.50 1.32 34.9 6.87 46.0 0.828
0.40 1.65 26.7 5.50 44.0 0.662
0.30 2.19 19.1 4.12 42.0 0.497
0.20 3.29 12.2 2.75 40.0 0.331
0.15 4.39 8.89 2.06 39.0 0.248
0.10 6.58 5.77 1.37 38.0 0.166
1.5 1.0 0.790 63.3 11.5 50.0 1.38
0.90 0.878 54.7 10.3 48.0 1.24
0.80 0.987 46.6 9.16 46.0 1.10
0.70 1.13 39.0 8.02 44.0 0.966
0.60 1.32 31.9 6.87 42.0 0.828
0.50 1.58 25.3 5.73 40.0 0.690
0.40 1.97 19.2 4.58 38.0 0.552
0.30 2.63 13.7 3.44 36.0 0.414
0.20 3.95 8.61 2.29 34.0 0.276
0.15 5.27 6.27 1.72 33.0 0.207
0.10 7.90 4.05 1.15 32.0 0.138
0.090 8.78 3.62 1.03 31.8 0.124
0.080 9.87 3.20 0.916 31.6 0.110
1.2 0.80 1.23 32.4 7.33 40.0 0.883
0.70 1.41 26.9 6.41 38.0 0.773
0.60 1.65 21.9 5.50 36.0 0.662
0.50 1.97 17.2 4.58 34.0 0.552
Resistivity Density
Alloy Ωmm
2
m
-1
gcm
-3
NIKROTHAL 80 1.09 8.30
NIKROTHAL 60 1.11 8.20
NIKROTHAL 40 1.04 7.90
To get N60 or N40, multiply the figures in the table with:
Resistance
at 20 °Ccm
2
/Ω Weight
Ω/m at 20 °C g/m
N60 1.018 0.982 0.988
N40 0.954 1.048 0.952
11)
cm
2
/Ω = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
(cont.)