
The demand for clean, renewable energy solutions has never been higher, and hydrogen production through water electrolysis is rapidly becoming a leading method for producing sustainable hydrogen. The success of electrolysis largely depends on the materials used, especially in high-performance resistance wire. Our 0Cr25Al5 FeCrAl Alloy Wire is designed to meet the rigorous demands of hydrogen electrolysis systems, offering high efficiency, exceptional durability, and long-term reliability under extreme conditions.
The 0Cr25Al5 FeCrAl Alloy Wire is a premium material crafted from a specialized combination of iron (Fe), chromium (Cr), and aluminum (Al), offering enhanced properties ideal for hydrogen generation applications. It is specifically designed to perform efficiently in water electrolysis systems, where consistent high temperatures and aggressive electrolytic environments are common. With superior oxidation and corrosion resistance, the 0Cr25Al5 alloy ensures that your electrolysis systems run smoothly for longer periods with fewer maintenance requirements.
| 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) |
Superior Oxidation Resistance
The 0Cr25Al5 FeCrAl Alloy Wire offers excellent oxidation resistance, even at temperatures as high as 1000°C. This ensures that the wire will maintain its structural integrity over time, significantly improving the lifespan of your electrolysis system.
Outstanding Corrosion Resistance
This wire excels in resisting corrosion caused by exposure to electrolytic fluids, an essential feature for maintaining long-term efficiency and performance in hydrogen production systems.
High Temperature Stability
With an impressive operating temperature tolerance of up to 1000°C, the 0Cr25Al5 alloy wire ensures that electrolysis processes can run at optimal efficiency, even in high-heat environments.
High Mechanical Strength
The 0Cr25Al5 FeCrAl Alloy Wire offers robust mechanical strength, with tensile strength ranging from 500 to 850 MPa. This provides high structural integrity and ensures that the wire can handle the stresses typical in industrial electrolysis applications.
Customizable for Specific Needs
We understand that each electrolysis system is unique, so we offer customized wire sizes and tolerances to ensure that our alloy wire perfectly fits your system’s requirements.
Cost-Effective Over Time
The durability and longevity of the 0Cr25Al5 FeCrAl Alloy Wire mean fewer replacements and less maintenance, making it a cost-effective choice for large-scale hydrogen production systems.

The demand for green hydrogen is on the rise globally, driven by the need to decarbonize industries such as transportation, energy storage, and manufacturing. Electrolysis, particularly water electrolysis, is seen as the most sustainable method for producing hydrogen, especially when powered by renewable energy sources like solar and wind.
As more countries commit to reducing their carbon emissions and investing in renewable energy infrastructure, the hydrogen market is expected to grow rapidly. As a result, the need for durable, high-performance materials for electrolysis systems is becoming increasingly important. Our 0Cr25Al5 FeCrAl Alloy Wire is designed to meet the specific challenges of this evolving industry, offering a reliable solution for the production of hydrogen in high-efficiency electrolysis systems.
The 0Cr25Al5 FeCrAl Alloy Wire is ideally suited for a range of applications within hydrogen production and electrolysis systems:
Hydrogen Fuel Cells: The wire is a key component in hydrogen fuel cells, which are used in various industries, including transportation (fuel-cell vehicles), stationary power generation, and backup power systems.
Green Hydrogen Production: It plays a critical role in water electrolysis systems powered by renewable energy, facilitating the production of hydrogen without emitting CO2, helping reduce dependence on fossil fuels.
Energy Storage Systems: Electrolysis-based energy storage systems use this wire to convert excess renewable energy into hydrogen, which can be stored and used when required.
Industrial Hydrogen Use: Hydrogen produced through electrolysis can replace conventional fuels in industrial processes like refining, steel manufacturing, and ammonia production.


At DLX, we are committed to providing high-quality materials that enhance the performance and efficiency of hydrogen production systems. Here’s why our 0Cr25Al5 FeCrAl Alloy Wire is the best choice for your electrolysis needs:
Premium Quality: We ensure that each batch of wire meets the highest standards of quality, undergoing rigorous testing to ensure superior performance and reliability in demanding applications.
Customized Solutions: Our team offers tailored solutions to meet your exact requirements, including wire diameter, tensile strength, and other specifications, ensuring a perfect fit for your system.
Industry Expertise: With years of experience in the alloy and energy industries, DLX understands the specific needs of hydrogen electrolysis systems and provides expert advice to help you make the best choice.
Global Reach: DLX serves customers worldwide, providing fast, reliable shipping and top-notch customer service to ensure your projects stay on track.
Sustainability Focus: We are dedicated to supporting the global shift toward renewable energy and green hydrogen, offering materials that help reduce the environmental impact of energy production.



This alloy wire offers excellent oxidation and corrosion resistance, high temperature stability, and strong mechanical properties, making it perfect for the demanding conditions of water electrolysis.
Yes, the wire can operate at temperatures up to 1000°C, making it well-suited for high-temperature electrolysis processes.
The wire’s resistance to oxidation and corrosion ensures a long service life, reducing the need for frequent replacements in hydrogen generation systems.
Yes, we offer customized wire diameters and tolerances to meet your specific needs, ensuring that the wire fits perfectly in your electrolysis system.
Yes, the alloy wire’s durability and long lifespan help reduce maintenance and replacement costs, making it a highly cost-effective solution for large-scale hydrogen production.
Industries involved in hydrogen production, renewable energy, fuel cells, and energy storage benefit from the 0Cr25Al5 FeCrAl Alloy Wire due to its reliability and efficiency.
Its high resistance to oxidation and corrosion ensures stable performance, reducing energy losses and system failures, ultimately improving the overall efficiency of the electrolysis process.
DLX follows strict quality control procedures, and every batch of wire undergoes rigorous testing to ensure it meets the highest industry standards, providing you with a reliable product.