Iron
Fe
Bal.
Chromium
Cr
20.5~23.5%
Aluminium
Al
4.2~5.3%
Silicon
Si
≤0.6%
Nickel
Ni
≤0.60%
Manganese
Mn
≤0.70%
Carbon
C
≤0.06%
Sulphur
S
≤0.025%
Phosphorus
P
≤0.025%
0Cr23Al5 Resistance alloy is composed of iron, chromium and aluminum with high resistivity, low resistivity, high working temperature, good oxidation resistance at high temperature, and the highest applicable temperature is up to 1250 degrees.The alloy is mainly used in ceramic electric cookers, industrial furnaces and various heating and drying elements.
0Cr23Al5 Mechanical behavior（1.0mm）
| Yield Strength |
Tensile strength |
Elongation |
| Mpa |
Mpa |
% |
| 485 |
670 |
23 |
0Cr23Al5 Physical properties
| Density |
Resistivity at 20℃ |
Thermal conductivity at 20°C |
Specific heat capacity
at 20℃ |
Melting point |
Maximum use temperature of the element |
Magnetic |
| (g/cm3) |
(Ωmm2/m) |
(WmK) |
J/gK |
(℃) |
(℃) |
|
| 7.25 |
1.35 |
13 |
0.46 |
1500 |
1250 |
Non |
| Thermal expansion coefficient |
| Temperature |
Average linear expansion coefficient x10-6/℃ |
| 20 ℃- 1000℃ |
15 |
0Cr23Al5 Resistance temperature factor (correction factor)
| 20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
1300℃ |
| 1 |
1.002 |
1.007 |
1.014 |
1.024 |
1.036 |
1.056 |
1.064 |
1.07 |
1.074 |
1.078 |
1.081 |
1.084 |
- |
Supply form and specification
| Alloy grade |
Form |
Specification |
| 0Cr23Al5 |
Wire |
Diameter=0.1mm~8mm |
| 0Cr23Al5 |
Flat wire |
Width=1~5mm |
Thick=0.1~2mm |
| 0Cr23Al5 |
Strip |
width=8~250mm |
ThickT=0.1~3.0mm |
| 0Cr23Al5 |
Foil |
width=6~120mm |
Thick=0.01~0.1mm |
| 0Cr23Al5 |
Bar |
Diameter=8~100mm |
Long=50~1000 |
