Datasheet

58 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
10 0.0139 22637 652 314 78.5
9.5 0.0154 19408 588 298 70.9
9.0 0.0171 16502 528 283 63.6
8.25 0.0204 12711 444 259 53.5
8.0 0.0217 11590 417 251 50.3
7.5 0.0247 9550 367 236 44.2
7.0 0.0283 7764 319 220 38.5
6.5 0.0328 6217 275 204 33.2
6.0 0.0386 4890 235 188 28.3
5.83 0.0408 4486 222 183 26.7
5.5 0.0459 3766 197 173 23.8
5.0 0.0555 2830 163 157 19.6
4.75 0.0615 2426 147 149 17.7
4.5 0.0685 2063 132 141 15.9
4.25 0.0768 1738 118 134 14.2
4.0 0.0867 1449 104 126 12.6
3.75 0.0987 1194 91.7 118 11.0
3.65 0.104 1101 86.8 115 10.5
3.5 0.113 971 79.9 110 9.62
3.25 0.131 777 68.9 102 8.30
3.0 0.154 611 58.7 94.2 7.07
2.8 0.177 497 51.1 88.0 6.16
2.6 0.205 398 44.1 81.7 5.31
2.5 0.222 354 40.7 78.5 4.91
2.3 0.262 275 34.5 72.3 4.15
2.0 0.347 181 26.1 62.8 3.14
1.8 0.428 132 21.1 56.5 2.54
1.6 0.542 92.7 16.7 50.3 2.01
1.5 0.617 76.4 14.7 47.1 1.77
1.4 0.708 62.1 12.8 44.0 1.54
°C 20 100 200 300 400 500 600 700 800 900 1000 1100 1200
N 80 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
N 70 C
t
1.00 1.01 1.02 1.03 1.04 1.05 1.05 1.04 1.04 1.04 1.05 1.06 1.06
NIKROTHAL 80, 70
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
1.3 0.821 49.7 11.0 40.8 1.33
1.2 0.964 39.1 9.39 37.7 1.13
1.0 1.39 22.6 6.52 31.4 0.785
0.95 1.54 19.4 5.88 29.8 0.709
0.90 1.71 16.5 5.28 28.3 0.636
0.85 1.92 13.9 4.71 26.7 0.567
0.80 2.17 11.6 4.17 25.1 0.503
0.75 2.47 9.55 3.67 23.6 0.442
0.70 2.83 7.76 3.19 22.0 0.385
0.65 3.28 6.22 2.75 20.4 0.332
0.60 3.86 4.89 2.35 18.8 0.283
0.55 4.59 3.77 1.97 17.3 0.238
0.50 5.55 2.83 1.63 15.7 0.196
0.45 6.85 2.06 1.32 14.1 0.159
0.40 8.67 1.45 1.04 12.6 0.126
0.35 11.3 0.971 0.799 11.0 0.0962
0.32 13.6 0.742 0.668 10.1 0.0804
0.30 15.4 0.611 0.587 9.42 0.0707
0.28 17.7 0.497 0.511 8.80 0.0616
0.25 22.2 0.354 0.407 7.85 0.0491
0.22 28.7 0.241 0.316 6.91 0.0380
0.20 34.7 0.181 0.261 6.28 0.0314
0.19 38.4 0.155 0.235 5.97 0.0284
0.18 42.8 0.132 0.211 5.65 0.0254
0.17 48.0 0.111 0.188 5.34 0.0227
0.16 54.2 0.0927 0.167 5.03 0.0201
0.15 61.7 0.0764 0.147 4.71 0.0177
0.14 70.8 0.0621 0.128 4.40 0.0154
0.13 82.1 0.0497 0.110 4.08 0.0133
Standard Diameter range Resistivity Density
stock items Alloy mm Ωmm
2
m
-1
gcm
-3
■ NIKROTHAL 80 8.0-0.020 1.09 8.30
– NIKROTHAL 70 10.0-0.50 1.18 8.10
1)
cm
2
/Ω = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
To get NIKROTHAL 70, multiply the figures in the table with:
Resistance
at 20 °Ccm
2
/Ω Weight
Ω/m at 20 °C g/m
1.083 0.924 0.976