Bright Dia 12mm FeCrAl Alloy Cr21al6nb Length 2000mm
FeCrAl bar/rod/ Cr21al6nb Dia 12 mm, Length 2000mm, Bright Bar
Fe-Cr-Al alloy heating wire is mainly composed of ferrum,chromium,aluminium. It is widely used in various in many industries, such as metallurgical, chemical, glass, ceramic, and electrics for instance.
FeCrAl(Cr21Al6NbCo) resistance wire
1. Introduction to products
With the characteristics of high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature.
2. Alication
Our Products widely apply to chemical industry, metallurgy mechanism, glass industry, ceramic industry, home appliance area and so on.
3. Size
Wires: 0.018-10mm Ribbons: 0.05*0.2-2.0*6.0mm
4. Packing detail
Spool, coil, wooden case(as per client's requiryment)
| Properties/Grade | 0Cr21Al6NbCo | |
| Main Chemical composition(%) | Cr | 22.5-24.5 |
| Al | 4.5-5.0 | |
| Fe | Balance | |
| Nb | 0.25 | |
| Co | 0.35 | |
| Max. continuous service temp. of element | 1250 | |
| Resistivity at 20oC (μ Ω @ m) | 1.42+-0.07 | |
| Density (g/cm3) | 7.25 | |
| Thermal conductivity(KJ/m@ h@ oC) | 60.2 | |
| Coefficient of lines expansion(α × 10-6/oC) | 15 | |
| Melting point (approx. )( oC) | 1500 | |
| Elongation at rupture (%) | ≥ 12 | |
| Micrographic structure | Ferrite | |
| Magnetic properties | magnetic | |
2 Features
| Features of FeCrAl alloy heating wire 0Cr25Al5 | |
| 1 | An excellent resistance to oxidation under heat |
| 2 | A limitation of intergranular oxidation |
| 3 | High electric resistance and long lifetime |
| 4 | Good performance of anti-carburizing, the atmosphere and surface of sulfur pollution |
3 Application
| Applications of FeCrAl heating alloy wire 0Cr25Al5 | |
| 1 | industrial and civil heating-furnace |
| 2 | infrared equipment |
| 3 | liquefied gas infrared heat-resisting net |
| 4 | different kinds of igniting and radiating electrodes and voltage-regulating resistors for motors |
4 Size
|
Size |
|
|
Wires |
0.018-10mm |
|
Ribbons |
0.05*0.2-2.0*6.0mm |
|
Strips |
0.5*5.0-5.0*250mm |
|
Bars |
D10-100mm |
0Cr25Al5
Chemical Content, %
|
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
|
|
Max |
||||||||||
|
0.06 |
0.025 |
0.020 |
0.50 |
≤0.6 |
23.0-26.0 |
≤0.60 |
4.5-6.5 |
Balance |
- |
|
Mechanical Properties
|
Max Continuous Service Temperature: |
1300℃ |
Temperature Factor of Electrical Resistivity
|
20℃ |
100℃ |
200℃ |
300℃ |
400℃ |
500℃ |
600℃ |
|
1.000 |
1.002 |
1.005 |
1.008 |
1.013 |
1.021 |
1.030 |
|
|
||||||
|
700℃ |
800℃ |
900℃ |
1000℃ |
1100℃ |
1200℃ |
1300℃ |
|
1.038 |
1.040 |
1.042 |
1.044 |
1.046 |
1.047 |
1.047 |
0Cr21Al6Nb
Chemical Content(%)
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other | ||
| Max | |||||||||||
| 0.05 | 0.025 | 0.025 | 0.70 | Max 0.6 | 21.0~23.0 | Max 0.60 | 5.0~7.0 | Bal. | Nb 0.5 | ||
Mechanical Properties
| Max Continuous Service Temp | 1350ºC |
| Resisivity at 20ºC | 1.45 ohm mm2/m |
| Density | 7.1 g/cm3 |
| Thermal Conductivity | 46.1 KJ/m·h·ºC |
| Coefficient of Thermal Expansion | 16.0×10-6/ºC |
| Melting Point | 1510ºC |
| Tensile Strength | 637~784 Mpa |
| Elongation | Min 12% |
| Section Variation Shrink Rate | 65~75% |
| Repeatedly Bend Frequency | Min 5 times |
| Continuous Service Time | - |
| Hardness | 200-260HB |
| Micrographic Structure | Ferrite |
| Magnetic Property | Magnetic |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.