
As the world transitions toward sustainable energy solutions, hydrogen production through water electrolysis has emerged as one of the most promising technologies. A key component in these electrolysis systems is the material used for the resistance wire, which must meet high standards for efficiency, durability, and resistance to extreme conditions. Our 0Cr23Al5 FeCrAl Wire is a top choice for ensuring reliable performance in hydrogen generation systems, providing exceptional strength, oxidation resistance, and longevity.
The 0Cr23Al5 FeCrAl Wire is an advanced alloy composed of iron (Fe), chromium (Cr), and aluminum (Al), specifically designed to endure the harsh environments encountered in hydrogen production via electrolysis. This high-performance wire is engineered to offer outstanding resistance to both oxidation and corrosion, even under high-temperature and highly reactive conditions. As a result, it delivers long-lasting performance and reduces operational downtime.
| 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) |
High Oxidation Resistance
The 0Cr23Al5 FeCrAl Wire offers superior oxidation resistance, even in extreme electrolytic conditions. This ensures that the wire will not degrade or fail prematurely, extending the lifespan of your electrolysis equipment.
Outstanding Corrosion Resistance
This alloy provides excellent resistance to corrosion, which is essential for maintaining the wire's structural integrity during prolonged exposure to electrolytes. As a result, it ensures stable and reliable operation of your hydrogen generation system.
Excellent High-Temperature Stability
Capable of withstanding temperatures up to 1000°C, the 0Cr23Al5 FeCrAl wire ensures consistent performance even in high-heat environments. This makes it ideal for electrolysis systems that require high operational temperatures.
Superior Mechanical Strength
With a tensile strength of 400-800 MPa and high elongation properties, the wire maintains its structural integrity under stress, providing reliable performance over extended periods.
Customization Options
We offer customization for wire diameter and tolerances, allowing the material to be tailored to your specific electrolysis system’s requirements.
Cost-Effectiveness
Although initially priced competitively, the long-term durability of the 0Cr23Al5 FeCrAl Wire results in reduced maintenance, fewer replacements, and lower operating costs, offering excellent value for money.


The demand for green hydrogen has surged in recent years as the world seeks cleaner energy sources. Water electrolysis, particularly using renewable energy sources like solar and wind power, is becoming a cornerstone of the global hydrogen economy. As hydrogen is being increasingly used in industries ranging from transportation to energy storage, the need for reliable and efficient electrolysis systems has grown exponentially.
In this context, 0Cr23Al5 FeCrAl Wire has found significant demand in the hydrogen production industry. Its excellent resistance properties make it an ideal material for electrolysis cells, where the efficiency and durability of the wire directly impact the performance of the hydrogen production system. As the market for hydrogen continues to expand, materials like our 0Cr23Al5 FeCrAl Wire will be key enablers of the transition to a sustainable hydrogen economy.
Hydrogen Fuel Cells: A critical component of the growing hydrogen fuel cell industry, which powers everything from vehicles to stationary energy systems.
Green Hydrogen Production: Essential for the production of hydrogen from water using renewable energy sources, helping reduce the carbon footprint of hydrogen generation.
Energy Storage: The wire is also widely used in electrolysis-based energy storage systems, enabling the conversion of surplus renewable energy into hydrogen, which can be stored for later use.
Industrial Processes: Hydrogen produced using electrolysis can replace fossil fuels in various industrial applications, including steel manufacturing and chemical production.


DLX is dedicated to providing high-quality, durable materials tailored to the demanding needs of the energy sector. Here's why our 0Cr23Al5 FeCrAl Wire stands out:
Uncompromising Quality: We adhere to strict quality control standards to ensure every batch of our wire meets the highest industry standards. We aim for zero defects in all our products.
Tailored Solutions: We offer a range of customization options, including wire size, tensile strength, and other specifications, to ensure that the wire perfectly fits your system's needs.
Expertise: With extensive experience in the alloy trade, we understand the requirements of hydrogen production systems and provide expert guidance to help you select the best materials for your application.
Timely Delivery: We pride ourselves on meeting deadlines and ensuring timely delivery, so your projects never face unnecessary delays.
Sustainability Focus: As part of our commitment to sustainability, we ensure that our products help drive the development of clean energy solutions, like green hydrogen.



It is primarily used as a resistance wire in water electrolysis systems for hydrogen production, offering high resistance to oxidation and corrosion in aggressive environments.
The 0Cr23Al5 wire offers superior corrosion and oxidation resistance compared to other materials, ensuring longer lifespan and better performance in high-temperature environments.
Yes, the 0Cr23Al5 FeCrAl Wire can operate at temperatures up to 1000°C, making it ideal for high-temperature electrolysis and hydrogen production processes.
The wire’s lifespan depends on operating conditions, but its exceptional resistance to oxidation and corrosion typically results in a long service life, reducing the need for frequent replacements.
Yes, DLX offers custom wire diameters and tolerances to meet your specific requirements for electrolysis systems.
Its high resistance to corrosion and oxidation helps maintain the efficiency of the electrolysis process by ensuring stable operation over time, reducing energy losses and system failures.
Yes, the wire’s durability and long lifespan help reduce maintenance and replacement costs, making it an excellent investment for large-scale hydrogen production systems.
DLX offers expert consultation to help clients choose the best materials for their specific applications, including providing insights on customization and system integration.