Metallic heating elements

Metallic heating elements

Ready-made metallic heating elements made from wire or strip in Kanthal® iron-chromium-aluminium alloys or Nikrothal® nickel-chromium alloys for element temperatures between 50-1425°C (120-2600°F).

Information

Element types

We can manufacture metallic heating elements to any specifications and with short delivery times. Examples of element types are:

  • Coiled elements (i.e. spiral elements and edge-wounded elements)
  • ROB - Meander elements
  • Cartridge elements (i.e. bundle rod elements and cage elements)
  • Tubothal heating element

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Characteristics

Metallic heating element alloys

Kanthal® and Alkrothal® FeCrAl alloys are characterized by high resistivity and capability to withstand high surface load. They can be used at maximum element temperature of 1425°C (2600°F).

The NiCr-based alloys are characterized by very good mechanical properties in the hot state as well as good oxidation and corrosion properties. They are suitable for element temperatures up to 1250°C (2282°F).

Using Kanthal® FeCrAl alloys instead of NiCr alloys results in both weight-saving and longer element life, leading to considerable cost savings. Compare weight and cost for Kanthal® FeCrAl alloys with NiCr alloys

Grade Maximum continuous operating temperature Resistivity at 20ºC Ω mm2m-1 / 68ºF Ω/cmf
FeCrAl alloys
Kanthal APM 1425ºC (2600ºF) 1.45/872
Kanthal A-1 1400ºC (2550ºF) 1.45/872
Kanthal AF 1300ºC (2370ºF) 1.39/836
Kanthal D 1300ºC (2370ºF) 1.35/812
Alkrothal 1100ºC (2010ºF) 1.25/744
NiCr alloys
Nikrothal 80 1200ºC (2190ºF) 1.09/255
Nikrothal 70 1250ºC (2280ºF) 1.18/709
Nikrothal 60 1150ºC (2100ºF) 1.11/668
Nikrothal 40 1100ºC (2010ºF) 1.04/626

Go to material datasheets for Kanthal® and Nikrothal® alloys in wire, ribbon (flat wire) and strip form

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