
As global efforts to transition toward sustainable energy sources intensify, hydrogen has emerged as a key player in clean energy solutions. Water electrolysis, a process that splits water into hydrogen and oxygen using electricity, is one of the most efficient and environmentally friendly methods to produce hydrogen. At the heart of high-efficiency electrolysis systems is the material used for the resistance wire, which must endure harsh electrolytic conditions while maintaining high performance. Our 0Cr25Al5 FeCrAl Resistance Wire is the perfect solution, offering unmatched reliability, long-term durability, and excellent performance for hydrogen generation.
The 0Cr25Al5 FeCrAl Resistance Wire is a high-performance alloy designed for use in hydrogen electrolysis systems. This FeCrAl alloy, composed of iron (Fe), chromium (Cr), and aluminum (Al), is specifically engineered to resist oxidation and corrosion at high temperatures, making it ideal for the harsh environments found in water electrolysis applications. Whether you are working with high-temperature electrolyzers or aiming to improve the efficiency and longevity of your system, this wire provides a reliable solution for maximizing the performance of your hydrogen production system.
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
|---|---|---|---|---|---|---|---|
| Chemical Composition (%) - 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 |
| Chemical Composition (%) - 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 |
| Chemical Composition (%) - Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune |
| Chemical Composition (%) - Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
| Max. Continuous Service Temp. of Element (°C) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 |
| Resistivity at 20°C (μΩ.m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
| Density (g/cm³) | 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 Linear Expansion (αx10⁻⁶/℃) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
| Melting Point Approx (°C) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
| Tensile Strength (N/mm²) | 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/°C) | -- | ≥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) |
Excellent Oxidation Resistance
The 0Cr25Al5 FeCrAl Resistance Wire provides superior oxidation resistance, even under high temperatures, which is essential for long-lasting performance in electrolysis systems. This allows the wire to maintain its integrity over time, improving the lifespan of your system.
Outstanding Corrosion Resistance
The alloy's exceptional resistance to corrosion ensures that the wire remains functional and reliable even when exposed to aggressive electrolytes and water electrolysis environments, reducing the frequency of replacements and maintenance.
High-Temperature Stability
With an operating temperature capacity of up to 1000°C, the 0Cr25Al5 FeCrAl Resistance Wire ensures that your electrolysis system operates efficiently at high temperatures, which is typical in hydrogen production.
Strong Mechanical Properties
The wire offers tensile strengths between 500-850 MPa, making it mechanically robust and capable of withstanding the stresses involved in high-performance electrolysis processes.
Customization for Specific Needs
We offer a range of wire diameters and tolerances to suit the specific requirements of your hydrogen production system, providing tailored solutions to maximize system efficiency.
Cost-Effectiveness
Thanks to its exceptional durability and reduced need for maintenance or replacement, the 0Cr25Al5 FeCrAl Resistance Wire is a cost-effective material for large-scale and long-term hydrogen electrolysis projects.


The hydrogen economy is rapidly gaining momentum as part of the global transition to renewable energy. Electrolysis, powered by renewable energy sources such as wind, solar, and hydropower, is one of the most promising methods for producing green hydrogen—an essential component in reducing carbon emissions across sectors like transportation, energy storage, and industrial processes.
As the demand for hydrogen grows, so does the need for high-performance materials that can withstand the demanding conditions of electrolysis. This is where the 0Cr25Al5 FeCrAl Resistance Wire comes in. With its superior oxidation and corrosion resistance, high-temperature stability, and mechanical strength, this wire is designed to meet the increasing demands of the hydrogen production industry. As the world continues to move towards sustainable hydrogen production, materials like 0Cr25Al5 FeCrAl Resistance Wire will play an essential role in ensuring the efficiency, reliability, and longevity of electrolysis systems.
The 0Cr25Al5 FeCrAl Resistance Wire is widely used in hydrogen electrolysis systems, which are integral to the production of hydrogen for a variety of industries:
Hydrogen Fuel Cells: Essential for hydrogen fuel cell technologies, which are used in sectors like transportation (fuel-cell vehicles), energy storage, and backup power generation.
Green Hydrogen Production: The wire plays a critical role in generating hydrogen through electrolysis, helping reduce the carbon footprint associated with traditional hydrogen production methods.
Energy Storage Solutions: In systems that store excess renewable energy by converting it into hydrogen, the 0Cr25Al5 FeCrAl Wire ensures the process is efficient and reliable, enabling the storage of energy for future use.
Industrial Hydrogen Applications: Hydrogen produced via electrolysis can replace fossil fuels in industries like steel manufacturing, refining, and ammonia production, reducing dependence on non-renewable energy sources.


DLX is committed to providing high-quality materials that are essential for the efficient, sustainable, and cost-effective production of hydrogen. Here’s why our 0Cr25Al5 FeCrAl Resistance Wire is the right choice for your electrolysis needs:
Industry-Leading Quality: Every batch of our wire undergoes strict quality control tests to ensure it meets the highest standards, providing you with the most reliable material for your hydrogen production systems.
Custom Solutions: DLX offers customized solutions for specific system requirements, ensuring the wire’s performance aligns perfectly with your electrolysis setup.
Expertise and Support: With years of experience in advanced materials for the energy sector, DLX provides expert guidance to help you select the best materials and solutions for your hydrogen generation systems.
Global Reach: DLX serves customers around the world, offering fast shipping and responsive customer support to ensure your project is completed on time and without issue.
Sustainability Commitment: We are committed to supporting the global transition to clean energy, offering materials that help reduce carbon emissions and promote renewable energy technologies.



This wire is used in hydrogen production through water electrolysis. Its exceptional resistance to oxidation and corrosion makes it ideal for electrolysis systems that split water into hydrogen and oxygen.
Yes, this alloy wire can withstand temperatures up to 1000°C, making it perfect for high-temperature electrolysis processes.
The wire’s superior resistance to oxidation and corrosion helps maintain the electrolysis system's performance over time, reducing energy losses and system failures.
Yes, we offer customization for wire size, diameter, and other specifications to meet the specific needs of your electrolysis system.
Due to its high oxidation and corrosion resistance, the wire has a long lifespan, reducing the need for frequent replacements and minimizing system downtime.
Yes, its durability and long lifespan make the 0Cr25Al5 FeCrAl Resistance Wire a cost-effective solution, particularly in large-scale hydrogen production systems where frequent replacements would be costly.
The 0Cr25Al5 FeCrAl Resistance Wire is used in hydrogen fuel cells, green hydrogen production, industrial applications, and energy storage systems, all of which rely on efficient electrolysis.
DLX offers personalized consultations to help you choose the best wire for your electrolysis system, and we provide global shipping and responsive customer support to ensure a seamless experience.