The need for reliable high-temperature materials is constantly increasing in industries that rely on electric heating, thermal processing, and power generation. Among the most trusted materials in this category is the 0Cr15Al5 ferritic heat-resistant steel rod, a key product that combines durability, stability, and cost efficiency. DLX Alloy, a leading supplier in China, specializes in producing 0Cr15Al5 rods that deliver consistent performance under extreme temperatures and harsh industrial conditions.
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The 0Cr15Al5 ferritic alloy belongs to the FeCrAl (iron-chromium-aluminum) family of alloys, known for their exceptional oxidation resistance and long service life. With a chemical composition that includes 15% chromium and 5% aluminum, this alloy forms a dense, stable oxide layer that protects the base metal during high-temperature operation.
DLX Alloy manufactures 0Cr15Al5 rods using advanced vacuum melting and precision rolling technologies, ensuring tight composition control, uniform structure, and excellent mechanical strength. The result is a product capable of continuous operation in air at temperatures up to 1100°C, making it ideal for a wide range of heating and industrial applications.
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Alloy Nomenclature Performance |
1Cr13Al4 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al4 |
0Cr27Al7Mo2 |
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|
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 |
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|
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) |
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Chemical Composition (Typical, wt%)
| Element | Fe | Cr | Al | Si | Mn | C | P | S |
|---|---|---|---|---|---|---|---|---|
| Content | Balance | 14–16 | 4–6 | ≤0.7 | ≤0.6 | ≤0.08 | ≤0.03 | ≤0.02 |
Physical and Mechanical Properties
| Property | Typical Value | Description |
|---|---|---|
| Density | 7.2 g/cm³ | Moderate density and good formability |
| Maximum Operating Temperature | 1100°C | Excellent high-temperature stability |
| Resistivity | 1.35 μΩ·m | Suitable for heating applications |
| Oxidation Resistance | Excellent | Dense oxide film formation |
| Melting Point | ~1500°C | High thermal endurance |
| Hardness | 180–200 HB | Maintains strength at elevated temperature |
Comparison Table: 0Cr15Al5 vs Other FeCrAl Alloys
| Alloy | Cr (%) | Al (%) | Max Temp (°C) | Oxidation Resistance | Common Use |
|---|---|---|---|---|---|
| 0Cr15Al5 | 15 | 5 | 1100 | Very Good | Heating rods, electric heaters |
| 0Cr21Al6 | 21 | 6 | 1250 | Excellent | Furnace wires, elements |
| 0Cr23Al5 | 23 | 5 | 1300 | Outstanding | High-load heating systems |
| 0Cr19Al3 | 19 | 3 | 1000 | Good | General heating devices |
| 0Cr27Al7Mo2 | 27 | 7 + Mo2 | 1350 | Superior | Chemical reactors, thermal furnaces |
The 0Cr15Al5 rod represents a balanced combination of performance, availability, and cost efficiency, making it a preferred choice for general industrial heating needs.
Applications
1. Electric Heating Elements
Used in industrial and household heaters, 0Cr15Al5 provides uniform heat distribution and excellent resistance to oxidation, ensuring stable performance even after prolonged heating cycles.
2. Furnace Components
Applied in annealing and tempering furnaces where long-term thermal exposure demands structural stability and oxidation resistance.
3. Petrochemical Heaters
The alloy’s corrosion resistance makes it suitable for heaters and reactors used in chemical plants and refineries.
4. Kiln and Drying Systems
Used in ceramics, glass, and powder metallurgy industries for its ability to maintain consistent temperature profiles.
5. Automotive and Energy Equipment
Found in exhaust sensors, heating systems, and thermal control components where reliability and high-temperature strength are critical.
The global high-temperature alloy market is evolving rapidly as industries push for greater energy efficiency and environmental sustainability. FeCrAl alloys like 0Cr15Al5 are gaining popularity thanks to their high oxidation resistance, low density, and cost-effective thermal performance.
In manufacturing, there is a clear shift toward materials that can handle repeated heating cycles without degradation. 0Cr15Al5 meets this need by maintaining its protective oxide film and structural integrity over long service periods.
Furthermore, as electric heating technology advances, demand for eco-friendly and energy-saving heating materials is on the rise. FeCrAl alloys are now being integrated into renewable energy systems, such as solar thermal units and battery-heating components for electric vehicles.
DLX Alloy continuously invests in research and production improvements to stay aligned with these industrial trends—delivering materials that not only perform better but also support sustainable manufacturing initiatives.
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.
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DLX Alloy stands out as one of China’s most reliable suppliers of FeCrAl alloys, combining cutting-edge production technology with strong technical expertise.
1. Advanced Production Facilities
Our use of vacuum induction melting, precision rolling, and continuous annealing ensures product purity, fine grain structure, and excellent dimensional accuracy.
2. Rigorous Quality Control
Each batch of 0Cr15Al5 rods is tested for chemical composition, mechanical strength, and oxidation performance, ensuring compliance with international standards.
3. Customization Flexibility
DLX Alloy provides custom diameters, lengths, and compositions based on specific project needs—from small-scale laboratory use to mass industrial production.
4. Competitive Lead Time and Pricing
With optimized production and logistics systems, we provide global clients with fast delivery and competitive pricing without compromising quality.
5. Sustainable Manufacturing
DLX Alloy is committed to green production practices, utilizing recycling systems and emission control technologies to reduce our environmental impact.
By combining innovation, precision, and reliability, DLX Alloy continues to deliver products that meet the evolving challenges of high-temperature applications worldwide.
The future of high-temperature materials lies in greater energy efficiency, extended product lifespan, and enhanced sustainability. As industries modernize, the role of FeCrAl alloys such as 0Cr15Al5 will become even more important in sectors like clean energy, automotive electrification, and smart manufacturing.
DLX Alloy plans to expand its product line by developing next-generation FeCrAl alloys designed for hydrogen systems, additive manufacturing, and high-efficiency furnaces. With a strong foundation in metallurgy and a commitment to global partnerships, DLX aims to be the preferred supplier of high-temperature solutions for engineers and manufacturers worldwide.