General Description

CrAl 23-5 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) which is used at temperatures up to 1250°C. It is used in fast response elements for ceramic glass top hobs and quartz tube heaters.

CrAl 23-5 made by NiWire Industries can replace Kanthal D, Kanthal AE and so on.

Chemical Composition

Alloy Cr% Al% Fe% Re%
CrAl 23-5 20.5-23.5 4.2-5.3 Bal. Adequacy


Alloy Specific Resistance 


(at 20°C)





Linear Expansion Coeff. 


(T=20 – 1000°C)


Maximum Operating 


Temperature of Element (°C)

CrAl 23-5 1.35±0.06 200-260 15.0 1250

Size Range

CrAl 23-5 Wire Strip Ribbon
Dia (mm) 0.025-10
Width (mm) 5-250 0.4-4
Thickness (mm) 0.05-2.5 >0.025


Cut to length wire, flat wire, stranded wire are all available!

Email us for quotation!