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Product Information

Kanthal A-1 Fe-Chrome Heating Wire

Can be used at maximum operating temperature of 1,400℃.
Capable on cold processing.
high temperature electric furnace or high power resistor.

※Kanthal A-1 is trademark of Sandvik AB.

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Detail Information

Reference value

Electrical Resistivity
(μΩm)
Temperature Coefficient of Resistance
(×10-6/℃)
Thermal Coefficient of expansion
(×10-6/℃)
Melting Temperature
(℃)
Density
(g・cm-3
Max Operating Temperature
(℃)
Type Composition
1.45   15.0 1500 7.10 1400 wire  

Nominal Composition

Si Mn Ni Cr Al Fe others
        22 5.8 BAL  

Resistance ・Length ・Weight

Diameter(mm) Diameter tolerance(mm) cross section(mm-2 Resistance
tolerance(%)
Resistance(Ω/m) Length(m/Kg) Weight(g/m)
10.00   78.54   0.0185 1.79 558
9.50   70.88   0.0205 1.99 503
8.25   53.46   0.0271 2.63 380
8.00   50.27   0.0288 2.80 357
7.50   44.18   0.0328 3.19 314
6.50   33.18   0.0437 4.24 236
6.00   28.27   0.0513 4.98 201
5.00   19.64   0.0738 7.17 139
4.50   15.90   0.091 8.9 112.9
4.00   12.56   0.115 11.2 89.2
3.50   9.621   0.151 14.6 68.3
3.25   8.296   0.175 17.0 58.9
3.20   8.042   0.180 17.5 57.1
3.00   7.069   0.205 19.9 50.2
2.90   6.605   0.220 21.3 46.9
2.80   6.158   0.235 22.9 43.7
2.60   5.309   0.273 26.5 37.7
2.30   4.155   0.349 33.9 29.5
2.00   3.142   0.462 44.8 22.3
1.80   2.545   0.57 55 18.07
1.60   2.011   0.72 70 14.28
1.50   1.767   0.82 80 12.55
1.40   1.539   0.94 91 10.93
1.30   1.327   1.09 106 9.42
1.20   1.131   1.28 125 8.03
1.00   0.7854   1.85 179 5.58

※KANTHAL A-1 is a registered trademark of Sandvik AB.

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