Datasheet

64 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 0.0062 50355 699 314 78.5
9.5 0.0069 43173 631 298 70.9
9.0 0.0077 36709 566 283 63.6
8.25 0.0092 28275 476 259 53.5
8.0 0.0097 25782 447 251 50.3
7.5 0.0111 21244 393 236 44.2
7.35 0.0115 19994 378 231 42.4
7.0 0.0127 17272 343 220 38.5
6.5 0.0148 13829 295 204 33.2
6.0 0.0173 10877 252 188 28.3
5.5 0.0206 8378 211 173 23.8
5.0 0.0250 6294 175 157 19.6
4.75 0.0277 5397 158 149 17.7
4.5 0.0308 4589 142 141 15.9
4.25 0.0345 3866 126 134 14.2
4.0 0.0390 3223 112 126 12.6
3.75 0.0444 2655 98.3 118 11.0
3.5 0.0509 2159 85.6 110 9.62
3.25 0.0591 1729 73.8 102 8.30
3.0 0.0693 1360 62.9 94.2 7.07
2.8 0.0796 1105 54.8 88.0 6.16
2.6 0.0923 885 47.3 81.7 5.31
2.5 0.100 787 43.7 78.5 4.91
2.2 0.129 536 33.8 69.1 3.80
2.0 0.156 403 28.0 62.8 3.14
1.9 0.173 345 25.2 59.7 2.84
1.8 0.193 294 22.6 56.5 2.54
Alloy 20 °C 100 °C 200 °C 300 °C 400 v 500 °C 600 °C
CUPROTHAL 49 1.000 1.002 1.002 1.001 1.005 1.017 1.037
MANGANINA 43* - - - - - - -
CUPROTHAL 30 1.000 1.020 1.030 1.040 1.060 - -
CUPROTHAL 15 1.000 1.035 1.070 1.110 1.150 - -
CUPROTHAL 10 1.000 1.060 1.110 1.190 - - -
CUPROTHAL 05 1.000 1.110 1.250 1.400 - - -
* The use of this alloy is limited to the range 15-35 °C.
To obtain resistance at working temperature, multiply by the factor C
t
in the following table:
Copper-Nickel
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
1.7 0.216 247 20.2 53.4 2.27
1.6 0.244 206 17.9 50.3 2.01
1.5 0.277 170 15.7 47.1 1.77
1.4 0.318 138 13.7 44.0 1.54
1.3 0.369 111 11.8 40.8 1.33
1.2 0.433 87.0 10.1 37.7 1.13
1.1 0.516 67.0 8.46 34.6 0.950
1.0 0.624 50.4 6.99 31.4 0.785
0.95 0.691 43.2 6.31 29.8 0.709
0.90 0.770 36.7 5.66 28.3 0.636
0.85 0.864 30.9 5.05 26.7 0.567
0.80 0.975 25.8 4.47 25.1 0.503
0.75 1.11 21.2 3.93 23.6 0.442
0.70 1.27 17.3 3.43 22.0 0.385
0.65 1.48 13.8 2.95 20.4 0.332
0.60 1.73 10.9 2.52 18.8 0.283
0.55 2.06 8.38 2.11 17.3 0.238
0.50 2.50 6.29 1.75 15.7 0.196
0.475 2.77 5.40 1.58 14.9 0.177
0.45 3.08 4.59 1.42 14.1 0.159
0.425 3.45 3.87 1.26 13.4 0.142
0.40 3.90 3.22 1.12 12.6 0.126
0.375 4.44 2.66 0.983 11.8
0.35 5.09 2.16 0.856 11.0
0.32 6.09 1.65 0.716 10.1
0.30 6.93 1.36 0.629 9.42
0.28 7.96 1.11 0.548 8.80
Multiply the figures in the table with:
Resistance
at 20 °Ccm
2
/Ω Weight
Ω/m at 20 °C g/m
1.0 1.0 1.0 CUPROTHAL 49
0.877 1.15 0.94 MANGANINA 43
0.612 1.63 1.0 CUPROTHAL 30
0.306 3.29 1.0 CUPROTHAL 15
0.204 4.93 1.0 CUPROTHAL 10
0.102 9.86 1.0 CUPROTHAL 05
Diameter range Resistivity Density
Alloy mm Ωmm
2
m
-1
gcm
-3
CUPROTHAL 49 4.0-0.10 0.49 8.90
MANGANINA 43 8.0-0.10 0.43 8.40
CUPROTHAL 30 4.0-0.10 0.30 8.90
CUPROTHAL 15 4.0-0.10 0.15 8.90
CUPROTHAL 10 4.0-0.10 0.10 8.90
CUPROTHAL 05 4.0-0.10 0.05 8.90
1)
cm
2
/Ω = I
2
· C
t
/p (I = Current, C
t
= temperature factor, p = surface load W/cm
2
)
(cont.)