Iron
Fe
Bal.
Chromium
Cr
23.0~26.0%
Aluminium
Al
4.5~6.5%
Silicon
Si
≤0.6%
Nickel
Ni
≤0.60%
Manganese
Mn
≤0.70%
Carbon
C
≤0.06%
Sulphur
S
≤0.025%
Phosphorus
P
≤0.025%
0Cr25Al5 heating alloy is a kind of iron-chromium-aluminum composition with high resistivity, low resistivity, high working temperature, good oxidation resistance at high temperature, and the highest applicable temperature is as high as 1250 degrees.The alloy is mainly used to make ceramic electric cookers, industrial furnaces, and various electric heating elements.
0Cr25Al5 Mechanical behavior（1.0mm）
| Yield Strength |
tensile strength |
Elongation |
| Mpa |
Mpa |
% |
| 500 |
700 |
23 |
0Cr25Al5 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 |
(℃) |
(℃) |
|
| 7.1 |
1.42 |
13 |
0.46 |
1500 |
1250 |
Non |
| Thermal expansion coefficient |
| Temperature |
Average linear expansion coefficientx10-6/℃ |
| 20 ℃- 1000℃ |
15 |
0Cr25Al5 Resistance temperature factor (correction factor)
| 20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
1300℃ |
| 1 |
1.002 |
1.005 |
1.008 |
1.013 |
1.021 |
1.030 |
1.038 |
1.040 |
1.042 |
1.044 |
1.046 |
1.047 |
|
0Cr25Al5 Supply form and specification
| Alloy grade |
Form |
Specification |
| 0Cr25Al5 |
Wire |
Diameter=0.1mm~8mm |
| 0Cr25Al5 |
Flat wire |
Width=1~5mm |
Thick=0.08~2mm |
| 0Cr25Al5 |
Strip |
width=8~250mm |
ThickT=0.1~3.0mm |
| 0Cr25Al5 |
Foil |
width=6~120mm |
Thick=0.01~0.1mm |
| 0Cr25Al5 |
Bar |
Diameter=8~100mm |
Long=50~1000 |
