1Cr13Al4 alloy is a high resistance electric heating alloy, known
for its excellent corrosion resistance and high-temperature
strength. It has a high electrical resistivity and a low resistance
temperature coefficient. The main components of 1Cr13Al4 include
chromium, aluminum, nickel, etc., which endow the alloy with good
electrical resistivity, high-temperature oxidation resistance, and
corrosion resistance.
The application of 1Cr13Al4 resistance wire in electric heating
devices is very extensive. They are usually used as heating
elements, converting electrical energy into heat energy for heating
air, liquids, or solids. This type of resistance wire has good
electrical and mechanical properties, so it is widely used in many
electric heating devices.
In household appliances, 1Cr13Al4 resistance wire is commonly used
in ovens, electric stoves, water heaters, dryers, and other heating
equipment. They can also be used to manufacture household heating
devices such as fan heaters and electric heaters. In addition, in
the industrial field, 1Cr13Al4 resistance wire is also widely used
in industrial heating equipment such as heating furnaces, melting
furnaces, and drying equipment.
One of the advantages of 1Cr13Al4 resistance wire is its stable
resistance characteristics, which can maintain a stable resistance
at high temperatures. This makes them very suitable for occasions
requiring high-temperature heating. Additionally, 1Cr13Al4
resistance wire has good oxidation resistance and corrosion
resistance, allowing it to work stably for a long time in harsh
working environments.
Overall, the application of 1Cr13Al4 resistance wire in electric
heating devices is extensive, capable of meeting the heating needs
of different occasions, and is a high-performance and reliable
heating element material.
- Ferrous Chromium Aluminum alloy performance tables
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
| Main Chemical composition | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
| Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
| | | | | | Nb0.5 | Mo1.8-2.2 |
| Max. continuous service temp. of element(°C) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
| Resistivity at 20ºC(μΩ·m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
| Density(g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 |
| Thermal conductivity(KJ/m·h·ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | |
| Coefficient of lines expansion(α×10-6/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
| Melting point approx.( ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
| Tensile strength(N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
| Elongation at rupture(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
| Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
| Repeat Bending frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
| Hardness(H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
| Continuous Servicetime(Hours/ ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 |
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
