Iron
Fe
Bal.
Chromium
Cr
26.5~27.8%
Aluminium
Al
5.0~7.0%
Silicon
Si
≤0.4%
Nickel
Ni
≤0.60%
Manganese
Mn
≤0.20%
Carbon
C
≤0.05%
Sulphur
S
≤0.025%
Phosphorus
P
≤0.025%
Molybdenum
Mo
1.8~2.2%
0Cr27Al7Mo2 heating 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 as high as 1400 degrees. When the temperature is higher than 1200 degrees, the alloy is mainly used to make electric heating elements in single crystal furnaces, sintering furnaces, ceramic firing furnaces, heat treatment furnaces and diffusion furnaces.
0Cr27Al7Mo2 Mechanical performance (1.0mm)
| Yield Strength |
tensile strength |
Elongation |
| Mpa |
Mpa |
% |
| 460 |
700 |
20 |
0Cr27Al7Mo2 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 |
(℃) |
(℃) |
|
| 7.10 |
1.53 |
13 |
0.49 |
1520 |
1400 |
Non |
| Thermal expansion coefficient |
| Temperature |
Average linear expansion coefficientx10-6/℃ |
| 20 ℃- 1000℃ |
16 |
0Cr27Al7Mo2 Resistance temperature factor (correction factor)
| 20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
| 1 |
0.997 |
0.996 |
0.994 |
0.991 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
0.990 |
Supply form and specification
| Alloy grade |
Form |
Specification |
| 0Cr27Al7Mo2 |
Wire |
Diameter=0.1mm~8mm |
| 0Cr27Al7Mo2 |
Flat wire |
Width=1~5mm |
Thick=0.08~2mm |
| 0Cr27Al7Mo2 |
Strip |
width=8~250mm |
ThickT=0.1~3.0mm |
| 0Cr27Al7Mo2 |
Foil |
width=6~120mm |
Thick=0.01~0.1mm |
| 0Cr27Al7Mo2 |
Bar |
Diameter=8~100mm |
Long=50~1000 |
