Kanthal A-1 Ø5.0 mm is a FeCrAl (iron-chromium-aluminium), ferritic resistance heating wire. One metre has a resistance of 0.0738 Ω at 20 °C; typical use at this diameter is high-power furnaces, melting furnaces and supported (zigzag/loop) elements. High-temperature industrial furnaces: heat treatment, ceramics, glass and steel.
Technical data
| Alloy | Kanthal A-1 — FeCrAl (iron-chromium-aluminium), ferritic |
|---|---|
| Wire diameter | 5.0 mm |
| Cross-section | 19.635 mm² |
| Resistance (20 °C) | 0.0738 Ω/m |
| Weight | 139.4 g/m · 1 kg ≈ 7.2 m |
| Surface area | 157.1 cm²/m |
| Surface/resistance ratio (η) | 2127.07 cm²/Ω |
| Resistivity | 1.45 Ω·mm²/m |
| Density | 7.10 g/cm³ |
| Max. operating temperature (air) | 1400 °C (element temperature) |
Quick calculation: for a required power P (W) at voltage U (V), the total resistance is R = U²/P and the wire length ≈ R / 0.0738 m. Contact us before ordering to select coil diameter, pitch and surface load; we can also quote ready-wound coils or complete heating elements.
Resistance, weight and surface values are calculated at 20 °C from the manufacturer's resistivity and density; resistance rises somewhat at operating temperature (Ct factor). The manufacturer datasheet prevails for exact values.
For price per metre or per kilogram and lead time, use the Request a Quote button or call +90 533 945 27 94.
Tags: Kanthal A-1 Ø5.0, Kanthal A-1 wire, resistance wire 5.0 mm, heating wire, furnace heating wire, Kanthal