Heating Elements
Includes high power electric heating tube, air heating tube, hydronic heating pipe, titanium metal tube, heater band etc...
Iron-Chromium-Aluminum Alloy
- Iron-Chromium-Aluminum electric heating wire is a popular choice for heating elements in various electrical appliances and industrial equipment. Here are some key characteristics and performances of Iron-Chromium-Aluminum electric heating wire:
- High Resistance and Good Heating Efficiency: Iron-Chromium-Aluminum electric heating wire exhibits high electrical resistance, enabling it to convert electrical energy into heat energy efficiently. This high resistance leads to rapid and uniform heating, making it suitable for a wide range of heating applications.
- High-Temperature Capability: This type of heating wire can withstand high temperatures up to 1,400°C (2,550°F), depending on the specific alloy composition. It maintains its structural integrity and electrical properties even at elevated temperatures, making it suitable for high-temperature heating applications.
- Oxidation Resistance: Iron-Chromium-Aluminum electric heating wire has good resistance to oxidation, which is crucial in high-temperature environments. It forms a protective oxide layer that prevents further oxidation, extending its service life and maintaining its performance.
- Good Mechanical Properties: This heating wire offers good mechanical strength and ductility, allowing it to be easily shaped and installed into various heating devices. It also exhibits good vibration resistance, making it suitable for use in dynamic or vibrating environments.
- Cost-Effective: Iron-Chromium-Aluminum electric heating wire is relatively cost-effective compared to other high-performance heating materials. It offers a balance between performance and cost, making it a popular choice for many heating applications.
In summary, Iron-Chromium-Aluminum electric heating wire boasts high resistance, excellent high-temperature capability, oxidation resistance, good mechanical properties, and cost-effectiveness. These features make it a suitable choice for a wide range of heating applications, including industrial heaters, ovens, furnaces, and even some consumer electronics.
Main Properties and Characteristics of Iron-Chromium-Aluminum High Resistance Alloy Material
Alloy Name Properties
|
1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 1Cr20Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
|---|---|---|---|---|---|---|---|---|
| Main Chemical Components |
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 | Remainder | Remainder | Remainder | Remainder | Remainder | Remainder | Remainder | |
| Other | Nb0.5 | Mo1.8-2.2 | ||||||
| Maximum operating temperature | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resistivity 20ºC (μΩ·m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
| Density (g/cm3) | 7.40 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 | |
| Coefficient of heat conductivity (20ºC) (W/m·K) |
15 | 13 | 13 | 13 | 13 | 13 | 13 | |
| Coefficient of linear expansion (20ºC ~ 1000ºC) (α×10-6/ºC) |
15.4 | 15.0 | 14.7 | 15.0 | 13.5 | 16.0 | 16.0 | |
| Melting point(ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Tensile strength(Rm/MPa) | ≥580 | ≥600 | ≥600 | ≥600 | ≥580 | ≥680 | ≥680 | |
| Elongation(%) | ≥12 | ≥12 | ≥12 | ≥12 | ≥12 | ≥10 | ≥10 | |
| Reduction of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Bending times (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 | |
| Accelerated life test(Hours/ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
| Microscopic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetism | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
The temperature correction factor for Iron-Chromium-Alumiuim alloys
|
Alloy Name |
20 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
1100 |
1200 |
|
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
ºC |
|
|
1Cr13A14 |
1 |
1.005 |
1.014 |
1.028 |
1.044 |
1.064 |
1.09 |
1.12 |
1.132 |
1.142 |
1.15 |
||
|
0Cr20A13 |
1 |
1.011 |
1.025 |
1.042 |
1.061 |
1.085 |
1.12 |
1.142 |
1.154 |
1.164 |
1.172 |
1.180 |
1.186 |
|
1 |
1.002 |
1007 |
1.014 |
1.024 |
1.036 |
1.056 |
1.064 |
1.070 |
1.074 |
1.078 |
1.081 |
1.084 |
|
|
0Cr25A15 |
1 |
1.002 |
1.005 |
1.008 |
1.013 |
1.021 |
1.03 |
1.038 |
1.04 |
1.042 |
1.044 |
1.045 |
1.047 |
|
1 |
0.997 |
0.996 |
0.994 |
0.991 |
0.99 |
0.99 |
0.99 |
0.99 |
0.99 |
0.99 |
0.99 |
0.99 |
|
|
0Cr27A17Mo2 |
1 |
0.992 |
0.986 |
0.981 |
0.978 |
0.976 |
0.974 |
0.972 |
0.97 |
0.969 |
0.968 |
0.968 |
0.967 |
| – To obtain resistance at working temperature, multiply by the factor in above table. | |||||||||||||