The 0Cr25Al5 FeCrAl Strip is an iron-chromium-aluminum alloy designed for high-temperature electrical resistance applications. Its 25% chromium content provides excellent oxidation resistance, forming a stable protective oxide layer that prevents corrosion during prolonged operation. The 5% aluminum further enhances this protective layer, improving durability and extending service life. Iron acts as the base metal, ensuring structural integrity and consistent mechanical performance under extreme heat. This combination of materials makes the 0Cr25Al5 strip ideal for long-term, high-temperature resistance heating.
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This FeCrAl strip is widely used in electrical resistance heating elements across industrial sectors. Typical applications include continuous and batch furnaces, kilns, energy-efficient heating systems, and chemical processing equipment. Its ability to withstand temperatures up to 1350°C makes it suitable for even the most demanding thermal environments. Whether used as primary heating elements, support structures, or protective layers, the 0Cr25Al5 strip delivers consistent performance across various industrial configurations.
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Alloy Nomenclature Performance |
0Cr25Al5 |
0Cr21Al6 |
0Cr23Al5 |
0Cr21Al6Nb |
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 |
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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 |
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|
Fe |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
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|
-- |
-- |
-- |
-- |
-- |
-- |
-- |
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Max.Continuous service temp. of element |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
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Resistivity at 20C(μΩ.m) |
1.25 |
1.42 |
1.42 |
1.35 |
1.23 |
1.45 |
1.53 |
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Density(g/cm) |
7.4 |
7.1 |
7.16 |
7.25 |
7.35 |
7.1 |
7.1 |
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|
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 |
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Melting Point Approx(degree) |
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
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Tensile Strength(N/mm) |
580-680 |
630-780 |
630-780 |
630-780 |
600-700 |
650-800 |
680-830 |
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Elongation at rupture(%) |
>16 |
>12 |
>12 |
>12 |
>12 |
>12 |
>10 |
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Variation of area(%) |
65-75 |
60-75 |
65-75 |
65-75 |
65-75 |
65-75 |
65-75 |
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|
Repeat Bending frequency(F/R) |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
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|
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 |
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Micrographic structure |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
Ferrite |
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|
Magnetic properties |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
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Shape |
Size (mm) |
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Wire |
0.05-7.5 |
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Rod |
8-50 |
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Ribbon |
(0.05-0.35)*(0.5-6.0) |
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Strip |
(0.5-2.5)*(5-180) |
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A key strength of the 0Cr25Al5 strip is its oxidation resistance. Many standard alloys degrade quickly under high temperatures, causing frequent replacements and operational downtime. DLX strips maintain stability and resist scaling over extended periods, reducing maintenance costs and improving furnace uptime. Controlled electrical resistivity ensures uniform heating, critical for precision thermal processing and maintaining product quality in sensitive applications.
The high chromium and aluminum content allows the 0Cr25Al5 strip to provide exceptional durability. Industrial heating processes often require continuous operation, which can be challenging for materials that degrade quickly. DLX’s FeCrAl strips provide long-term stability, reducing replacement frequency and associated labor costs. The smooth, uniform surface finish further minimizes scale formation, improving heat transfer efficiency and extending element life.
Industrial heating is evolving with a focus on efficiency, sustainability, and cost reduction. Industries are seeking materials that minimize energy loss and reduce maintenance requirements. The 0Cr25Al5 strip aligns with these trends by delivering high-temperature stability, long service life, and energy-efficient performance. Sustainability goals also favor materials that reduce waste and energy consumption, and DLX’s FeCrAl strips contribute directly to eco-friendly industrial operations.
Parameter Comparison Table:
| Property | 0Cr25Al5 FeCrAl Strip | Industry Average | Notes |
|---|---|---|---|
| Chromium (Cr) | 25% | 24-26% | Enhances oxidation resistance |
| Aluminum (Al) | 5% | 4.5-5% | Forms strong protective oxide layer |
| Iron (Fe) | Balance | Balance | Core structural element |
| Maximum Operating Temp | 1350°C | 1300°C | Superior stability at extreme temperatures |
| Electrical Resistivity | 1.4 Ω·mm²/m | 1.3-1.5 Ω·mm²/m | Ensures even heating |
| Oxidation Resistance | Excellent | Good | Longer service life for high-temp applications |
| Form Availability | Strips, sheets, rolls | Strips & sheets | DLX provides versatile options |
| Surface Finish | Smooth, uniform | Varies | Reduces scaling and enhances efficiency |
DLX stands out in the FeCrAl market with a combination of quality, precision, and service:
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Quality Control: Rigorous testing ensures each strip meets precise chemical and mechanical specifications.
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Consistent Performance: Controlled manufacturing processes maintain uniform electrical resistivity and oxidation resistance.
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Versatile Supply: Strips, sheets, and rolls cater to various industrial applications.
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Custom Solutions: DLX can customize dimensions, thickness, and surface finish to meet exact customer requirements.
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Technical Support: DLX provides guidance on installation, optimal operating conditions, and maintenance for maximum performance.
Comparison with Standard Options
While other FeCrAl strips may claim similar chemical compositions, DLX strips excel in surface uniformity, electrical stability, and long-term reliability. Many industry alternatives show variability in performance, which can cause uneven heating, premature oxidation, or scale buildup. DLX’s strict quality assurance protocols guarantee predictable performance and reduced operational risks, giving industrial operators confidence in their furnace systems.
A metal processing facility implemented DLX 0Cr25Al5 strips as electrical resistance heating elements in a high-temperature continuous furnace operating at 1300°C. Over the course of a year, the strips maintained consistent performance, showing minimal scaling and no structural degradation. This resulted in reduced maintenance, lower energy consumption, and significant operational cost savings, demonstrating the practical benefits of investing in high-quality FeCrAl materials.
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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FAQs
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What is 0Cr25Al5 FeCrAl Strip made of?
Primarily iron, chromium, and aluminum.
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What applications is this strip suitable for?
Electrical resistance heating, industrial furnaces, and high-temperature heaters.
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What is its maximum operating temperature?
Up to 1350°C in continuous use.
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How does it perform in oxidation resistance?
Excellent resistance under prolonged high-temperature conditions.
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What forms are available for this strip?
Rolls, sheets, and precision-cut strips.
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Is it suitable for both continuous and intermittent heating?
Yes, designed for consistent performance in both scenarios.
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Can DLX customize the strip for specific industrial requirements?
Yes, dimensions, thickness, and surface finish can be tailored.
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How does this strip improve operational efficiency?
By reducing maintenance, providing uniform heating, and extending element lifespan.