Resistance Strip Kanthal
Resistance heating strip
Strip in a wide range of alloys optimized for use in electrical resistance and high-temperature applications. Standard sizes range from thickness 0.10 to 3.5 mm (0.0039 to 0.1378 inch) and width 4-195 mm (0.157-7.68 inch).
Our wide range of resistance heating alloys in strip form makes it possible to select the most appropriate grade and size for each respective application, resulting in optimum end-product performance. The consistent resistivity from delivery to delivery facilitates trouble-free production.
Resistance heating alloys in strip form
| Type of alloy | Description |
|---|---|
| Kanthal and Alkrothal FeCrAl alloys* | High-resistivity iron-chromium-aluminium alloys for use up to 1400ºC (2550ºF). |
| Nikrothal NiCr alloys | High-resistivity nickel-chromium alloys for use up to 300ºC (570ºF). |
| Cuprothal CuNi alloys | Medium- and low-resistivity copper-nickel alloys for use up to 150ºC (300ºF). |
Size range
Thickness: 0.10-4 mm (0.00394-0.157 inch)
Width: 4-200 mm (0.157-7.874 inch)
Other sizes can be delivered on request.
Resistance tolerance
Standard resistance tolerance for strip is ± 5%, but strip with closer resistance tolerance can be delivered on request.
Delivery forms
Kanthal resistance heating strip is supplied in coils with an internal diameter of Ø 400 mm or in straightened lengths.
Marking
Each coil of strip is supplied with a label or tag showing alloy type, nominal size, tara and net weight, resistance Ω/m (Ω /ft) and charge number
| Kanthal® grade | Max. cont. operating temp. ºC/ºF | Resistivity at 20ºC (68ºF) Ώ mm2m-1 / 68ºF Ώ/cmf |
|---|---|---|
| FeCrAl alloys | ||
| Kanthal APM | 1425/2600 | 1.45/872 |
| Kanthal A-1 | 1400/2550 | 1.45/872 |
| Kanthal AF | 1300/2370 | 1.39/836 |
| Kanthal D | 1300/2370 | 1.35/812 |
| Alkrothal 14 | 1100/2010 | 1.25/744 |
| NiCr alloys | ||
| Nikrothal 80 | 1200/2190 | 1.09/656 |
| Nikrothal 70 | 1250/2280 | 1.18/709 |
| Nikrothal 60 | 1150/2100 | 1.11/668 |
| Nikrothal 40 | 1100/2010 | 1.04/626 |
| CuNi alloys | ||
| Cuprothal 49 | 600/1110 | 0.49/295 |
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