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Product Information

Kanthal A-F Fe-Chrome Heating Wire

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

※Kanthal A-F 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・cm3
Max Operating Temperature
(℃)
Type Composition
1.39   15.0 1500 7.15 1400 wire  

Nominal Composition

Si Mn Ni Cr Al Fe others
        22 5.3 BAL  

Resistance ・Length ・Weight

Diameter(mm) Diameter tolerance(mm) cross section(mm2 Resistance
tolerance(%)
Resistance(Ω/m) Length(m/Kg) Weight(g/m)
10.00   78.54   0.01770 1.781 561.6
8.00   50.27   0.02765 2.782 359.4
7.50   44.18   0.03146 3.166 315.9
6.50   33.18   0.04189 4.215 237.3
6.00   28.27   0.04916 4.947 202.2
5.50   23.76   0.05851 5.887 169.9
5.00   19.64   0.07079 7.123 140.4
4.50   15.90   0.08740 8.794 113.7
4.00   12.57   0.1106 11.13 89.85
3.50   9.621   0.1445 14.54 68.79
3.20   8.042   0.1728 17.39 57.50
3.00   7.069   0.1966 19.79 50.54
2.90   6.605   0.2104 21.17 47.23
2.70   5.726   0.2428 24.43 40.94
2.60   5.309   0.2618 26.34 37.96
2.50   4.909   0.2832 28.49 35.10
2.30   4.155   0.3346 33.66 29.71
2.00   3.142   0.4425 44.52 22.46
1.80   2.545   0.5462 54.96 18.19
1.60   2.011   0.6913 69.56 14.38
1.50   1.767   0.7866 79.14 12.64
1.40   1.539   0.9030 90.85 11.01
1.30   1.327   1.047 105.4 9.490
1.20   1.131   1.229 123.7 8.086
1.00   0.7854   1.770 178.1 5.616
0.80   0.5027   2.765 278.2 3.594
0.70   0.3848   3.612 363.4 2.752
0.60   0.2827   4.916 494.7 2.022
0.50   0.1964   7.079 712.3 1.404
0.40   0.1257   11.06 1113 0.8985
0.35   0.0962   14.45 1454 0.6879
0.30   0.07069   19.66 1979 0.5054

※KANTHAL AF is a registered trademark of Sandvik AB.

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