The 0Cr23Al5 FeCrAl alloy rod is a high-performance heat-resistant material widely used in electric heating and industrial furnace systems. Known for its outstanding oxidation resistance, high-temperature strength, and long service life, this alloy has become a preferred choice in modern thermal processing industries. It consists primarily of iron (Fe), chromium (Cr), and aluminum (Al), forming a stable ferritic structure that performs reliably in oxidizing environments up to 1300°C.
At DLX Alloy, we produce 0Cr23Al5 rods with precision and consistency. Our advanced melting and rolling technology ensures each product delivers exceptional electrical stability and mechanical strength under continuous high-temperature exposure.
For more details, pls directly contact us
|
Alloy Nomenclature Performance |
0Cr23Al5 |
0Cr21Al4 |
0Cr27Al7Mo2 |
|||||
|
Chemical Compostion (%) |
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 |
|
|
-- |
-- |
-- |
-- |
-- |
-- |
-- |
||
|
Max.Continuous service temp. of element |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
|
|
Resistivity at 20C(μΩ.m) |
1.25 |
1.42 |
1.42 |
1.35 |
1.23 |
1.45 |
1.53 |
|
|
Density(g/cm) |
7.4 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
|
|
Thermal Conductivity(KJ/m.h) |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
-- |
|
|
Coefficient of lines expansion(αx10-6/℃) |
15.4 |
16 |
14.7 |
15 |
13.5 |
16 |
16 |
|
|
Melting Point Approx(degree) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
|
|
Tensile Strength(N/mm) |
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 service time(Hours/ ºC) |
-- |
≥80/1300 |
≥80/1300 |
≥80/1300 |
≥80/1250 |
≥80/1350 |
≥80/1350 |
|
|
Micrographic structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
|
|
Magnetic properties |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
|
|
Shape |
Size (mm) |
|
Wire |
0.05-7.5 |
|
Rod |
8-50 |
|
Ribbon |
(0.05-0.35)*(0.5-6.0) |
|
Strip |
(0.5-2.5)*(5-180) |
For more details, pls directly contact us
The 0Cr23Al5 alloy rod plays an important role in various thermal systems where stability, durability, and oxidation resistance are essential.
Key application fields include:
-
Industrial furnaces and kilns: Used for heating rods, elements, and support components in high-temperature environments.
-
Metallurgical processing: Suitable for annealing, sintering, and heat treatment furnaces that require consistent temperature performance.
-
Ceramic and glass industries: Ensures clean, stable heat in oxidation-prone environments.
-
Household and industrial heaters: Commonly used in electric ovens, air heaters, and heating units.
-
Battery and solar systems: Acts as a stable heating component in clean energy applications.
The balance of aluminum and chromium in 0Cr23Al5 offers superior resistance to scaling, even during prolonged high-temperature operation.
| Element | Typical Composition (%) |
|---|---|
| Fe | Balance |
| Cr | 22.0 – 24.0 |
| Al | 4.5 – 5.5 |
| Mn | ≤0.4 |
| Si | ≤0.7 |
| C | ≤0.08 |
| S | ≤0.02 |
| Property | Typical Value |
|---|---|
| Density | 7.1 g/cm³ |
| Melting Point | 1500°C |
| Maximum Operating Temperature | 1300°C |
| Electrical Resistivity (20°C) | 1.45 μΩ·m |
| Thermal Expansion (20–1000°C) | 14 ×10⁻⁶ /°C |
| Magnetic Property | Ferritic (magnetic) |
With increasing demand for efficient heating systems across manufacturing, metallurgy, and renewable energy sectors, FeCrAl alloys such as 0Cr23Al5 have become critical materials. Compared with traditional nickel-based alloys, FeCrAl offers higher cost efficiency and superior oxidation performance at temperatures exceeding 1200°C.
The market trend shows that manufacturers are shifting toward materials that can ensure lower maintenance costs, longer service life, and improved energy efficiency. 0Cr23Al5 aligns perfectly with these demands, making it one of the most sought-after alloys in furnace construction and electrical heating components.
As a specialized manufacturer, DLX Alloy closely follows global trends in electric heating technology. We see the growing emphasis on sustainability and energy-saving in both industrial and domestic heating markets, which directly increases the demand for reliable, long-life alloys like 0Cr23Al5.
DLX Alloy Advantage
DLX Alloy has been at the forefront of FeCrAl alloy production for years, focusing on quality, customization, and performance reliability.
-
Precision Metallurgy: Each rod is produced through advanced vacuum melting and refined rolling processes to guarantee chemical uniformity.
-
Stable Electrical Resistivity: Our products maintain consistent resistance even under repeated thermal cycling.
-
Excellent Surface Finish: Controlled oxidation and polishing techniques minimize surface defects that could reduce lifespan.
-
Comprehensive Quality Control: Every batch undergoes resistivity, hardness, and oxidation testing at simulated service temperatures.
-
Customization: DLX provides various rod diameters and lengths tailored to different furnace or heater designs.
-
Global Reach: Our materials are widely used by heating equipment manufacturers in Asia, Europe, and North America.
At DLX, we don’t just supply materials—we deliver reliability, precision, and long-term performance for every application.
| Parameter | 0Cr23Al5 (DLX) | 0Cr21Al6 (DLX) |
|---|---|---|
| Chromium Content | 23% | 21% |
| Aluminum Content | 5% | 6% |
| Maximum Operating Temperature | 1300°C | 1300°C |
| Oxidation Resistance | Excellent | Excellent |
| Electrical Resistivity | 1.45 μΩ·m | 1.4 μΩ·m |
| Mechanical Strength | High | Moderate |
| Cost Efficiency | Excellent | Excellent |
| Typical Use | Furnaces, heaters, kilns | Heating systems, coils |
The 0Cr23Al5 version provides slightly better corrosion and oxidation protection due to its higher chromium content, making it the go-to alloy for industrial furnace and high-stress heating element applications.
The high-temperature alloy industry continues to evolve as industries adopt smarter, energy-efficient manufacturing methods. The 0Cr23Al5 alloy stands out as a key solution to these changes—balancing performance, longevity, and economic value.
Demand for FeCrAl materials is growing not only in traditional manufacturing but also in emerging clean energy sectors such as battery heating, hydrogen production, and solar thermal systems. DLX Alloy remains focused on improving alloy stability and refining surface treatments to meet the rising global demand for advanced heating materials.
By investing in research and automated production technology, we aim to maintain our leadership in the FeCrAl market and provide customers with reliable, performance-driven materials that align with industrial progress.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications.For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
Client Visits
Building Stronger Partnerships
We support all kinds of testing:
FAQs
1. What is the temperature limit of 0Cr23Al5 alloy rods?
They can operate reliably up to 1300°C without significant oxidation or loss of strength.
2. What makes 0Cr23Al5 different from other FeCrAl alloys?
It has a higher chromium content, offering stronger oxidation resistance and better corrosion stability.
3. Is 0Cr23Al5 suitable for continuous furnace use?
Yes. It’s designed for long-term exposure to heat, maintaining stable resistivity and mechanical strength.
4. Does DLX provide customized rod sizes?
Absolutely. We manufacture according to your diameter, length, and tolerance requirements.
5. Can these rods be used in both air and controlled atmospheres?
Yes. They perform well in air and inert or reducing environments.
6. What industries commonly use 0Cr23Al5?
Heating element manufacturing, metal heat treatment, ceramics, glass, and renewable energy systems.
7. How does DLX ensure the quality of its FeCrAl rods?
Through strict internal testing, advanced metallurgical control, and surface inspections before shipment.
8. What’s the expected lifespan of DLX 0Cr23Al5 rods in furnace systems?
They typically last several times longer than standard resistance alloys, depending on conditions.