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
| Grade | C% | P% | S% | Mn% | Si% | Cr% | Ni% | Al% | Fe% |
|---|---|---|---|---|---|---|---|---|---|
| CrAl23-5 | Max 0.05 | Max 0.025 | Max 0.025 | Max 0.5 | Max 0.5 | 20.5-23.5 | Max 0.6 | 4.2-5.3 | Bal. |
Physical Properties
Density: 7.25 g/cm3
Max Working Temperature: 1250°C
Melting Point: 1500 °C
Specific Resistance (at 20°C) (µΩ-m): 1.35±0.06
Linear Expansion Coeff. (T=20 – 1000°C) x10-6 : 15.0
Mechanical Properties
Tensile: 637-784 MPa
Elongation: Min 12%
Forms
Wire, Rod, Strip/Foil, Stranded Wire, Heating helix coil are available