
Hydrogen has become a cornerstone of the global push toward clean and sustainable energy solutions. As demand for green hydrogen rises, electrolytic hydrogen production—where water is split into hydrogen and oxygen using electrical energy—has proven to be a key method for producing hydrogen without harmful emissions. The performance of electrolysis systems largely depends on the materials used in their construction, particularly the electrodes, which are exposed to harsh electrolytes, high currents, and elevated temperatures. Cr30Ni70 Nichrome Wire (composed of 30% chromium and 70% nickel) stands out as an ideal material for improving the efficiency and longevity of electrolyzers in hydrogen production.
At DLX, we offer high-quality Cr30Ni70 Nichrome Wire designed to optimize the performance of electrolytic hydrogen production systems. Whether you are working on large-scale industrial electrolysis or innovative research projects, this wire provides excellent durability, high-temperature stability, and superior corrosion resistance, ensuring long-term reliability for your hydrogen generation systems.
Cr30Ni70 Nichrome Wire is an alloy made from 30% chromium and 70% nickel, specifically designed to excel in high-temperature, high-stress environments, such as those found in water electrolysis systems. The wire's high resistance to oxidation, corrosion, and wear, coupled with its excellent mechanical and electrical properties, makes it an ideal material for electrodes in electrolyzers used to produce hydrogen.
In alkaline electrolysis and PEM electrolysis, Cr30Ni70 Nichrome Wire is used to form electrodes that facilitate the splitting of water molecules into hydrogen and oxygen. Its excellent conductivity reduces energy loss and boosts the overall efficiency of the electrolysis process, making it an essential material for large-scale and renewable energy-driven hydrogen production systems.
| Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
| Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | ||
| Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Resistivity(μΩ·m,20℃) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Specific heat(J/g.℃) | 0.44 | 0.44 | 0.44 | 0.44 | 0.44 | 0.44 | |
| Thermal conductivity(KJ/m.h℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| Coefficient of lines expansion 19 (20~1000℃) | 18 | 17 | 17 | 19 | 19 | ||
| Micrographic structure | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| Magnetic properties | onmagnetic | onmagnetic | onmagnetic | onmagnetic | onmagnetic | ||
Exceptional Corrosion Resistance
The combination of chromium and nickel in Cr30Ni70 Nichrome Wire provides outstanding resistance to corrosion in both acidic and alkaline electrolytes. This helps prevent degradation in electrolyzers, ensuring reliable, long-term performance even under extreme conditions.
High Temperature Tolerance
With a melting point of 1400°C, Cr30Ni70 Nichrome Wire is designed to endure the high temperatures generated during electrolysis. This makes it particularly suitable for continuous industrial operations and large-scale hydrogen production systems.
Efficient Electrical Conductivity
Cr30Ni70 Nichrome Wire boasts excellent electrical conductivity, reducing energy loss during electrolysis. This efficiency boost translates to lower energy consumption and more cost-effective hydrogen production, making it ideal for large-scale operations where minimizing energy costs is crucial.
Mechanical Strength
With a tensile strength of 800 MPa, Cr30Ni70 Nichrome Wire can withstand mechanical stress and vibration, maintaining structural integrity and optimal performance throughout long-term electrolysis processes.
Durability and Long Life
Thanks to its resistance to oxidation, wear, and mechanical stress, Cr30Ni70 Nichrome Wire ensures a long lifespan in electrolytic applications. This durability minimizes the need for frequent maintenance or replacement, reducing operational downtime and costs.


At DLX, we understand that the efficiency and longevity of hydrogen production systems depend heavily on the quality of materials used. Here’s why our Cr30Ni70 Nichrome Wire stands out as the material of choice:
Uncompromising Quality
DLX uses strict quality control measures to ensure that every batch of Cr30Ni70 Nichrome Wire meets the highest performance standards. Our wire is tested for corrosion resistance, mechanical strength, and electrical conductivity to ensure it delivers optimal performance in your electrolysis systems.
Customizable Solutions
We understand that each hydrogen production setup has unique requirements. That’s why DLX offers customizable wire diameters and lengths to fit your specific electrolysis system. Whether you're working on a small research project or a large-scale industrial setup, we provide the perfect fit for your needs.
Competitive Pricing
Despite offering top-tier performance, DLX ensures that Cr30Ni70 Nichrome Wire is competitively priced, providing you with a cost-effective solution for hydrogen production without compromising on quality.
Expert Technical Support
DLX’s team of experts is always available to guide you in selecting the right materials for your electrolysis system. Whether you need advice on installation, system optimization, or troubleshooting, our engineers are here to ensure your success.
Timely Delivery
At DLX, we understand the importance of keeping your projects on schedule. We offer fast and reliable delivery of our Cr30Ni70 Nichrome Wire, so you can avoid delays and keep your hydrogen production systems running smoothly.
Hydrogen is quickly becoming a key player in the global shift toward decarbonization and clean energy. As industries, governments, and organizations seek to reduce their carbon footprints, hydrogen production through water electrolysis is gaining momentum as a clean method of generating hydrogen. Electrolyzers powered by renewable energy sources like solar and wind are expected to drive the next phase of growth for green hydrogen.
The rise of renewable energy-driven electrolyzers is creating a growing demand for materials like Cr30Ni70 Nichrome Wire, which can withstand the high demands of electrolysis systems. As hydrogen production continues to scale, DLX is committed to providing high-performance materials that support the next generation of electrolyzers, helping to accelerate the global transition to clean, renewable energy.
The Cr30Ni70 Nichrome Wire is versatile and finds applications across several industries involved in hydrogen production and energy systems, including:
Large-Scale Electrolyzers
Cr30Ni70 Nichrome Wire is commonly used in industrial-scale electrolysis systems for hydrogen production. Its combination of high conductivity, corrosion resistance, and thermal stability makes it ideal for maximizing efficiency in large-scale operations.
Hydrogen Fuel Cells
Cr30Ni70 Nichrome Wire is also used in the production of hydrogen fuel cells, which convert hydrogen into electricity through an electrochemical process. The wire’s excellent conductivity ensures efficient performance in these cells.
Renewable Energy-Driven Electrolysis
As renewable energy sources like wind and solar become more prevalent, Cr30Ni70 Nichrome Wire is increasingly used in electrolyzers powered by these sources. This allows for the production of green hydrogen, a key element in the transition to sustainable energy.
Energy Storage
Hydrogen produced by electrolysis is often stored and later converted back into energy when needed. Cr30Ni70 Nichrome Wire is essential for ensuring the efficiency of electrolysis systems used in hydrogen energy storage solutions.
R&D and Experimental Systems
In laboratories and research centers, Cr30Ni70 Nichrome Wire is used in experimental electrolysis systems to test new technologies and improve hydrogen production methods. Its durability and versatility make it ideal for research applications.



DLX’s Cr30Ni70 Nichrome Wire is engineered to optimize the efficiency, durability, and longevity of your electrolytic hydrogen production system. With its excellent mechanical properties, resistance to corrosion, and high-temperature stability, this wire ensures that your electrolysis systems run at peak performance, helping you meet the increasing global demand for clean, sustainable hydrogen.



What is Cr30Ni70 Nichrome Wire?
Cr30Ni70 Nichrome Wire is an alloy composed of 30% chromium and 70% nickel, designed to offer high resistance to corrosion, oxidation, and wear in electrolysis systems for hydrogen production.
Why is Cr30Ni70 Nichrome Wire ideal for hydrogen production?
The alloy’s excellent corrosion resistance, high-temperature stability, and conductivity make it ideal for electrolyzers used in hydrogen production. It ensures efficient, long-lasting operation in both alkaline and PEM electrolysis systems.
Can DLX customize the Cr30Ni70 wire for my electrolysis system?
Yes, DLX offers customizable wire diameters and lengths to meet the specific needs of your hydrogen production system, ensuring optimal performance.
How long does Cr30Ni70 Nichrome Wire last in electrolysis applications?
Due to its high resistance to corrosion and mechanical stress, Cr30Ni70 Nichrome Wire offers a long lifespan, reducing the need for frequent replacements and minimizing maintenance costs.
Is Cr30Ni70 Nichrome Wire suitable for both alkaline and PEM electrolysis?
Yes, Cr30Ni70 Nichrome Wire is compatible with both alkaline and PEM electrolysis systems, providing excellent performance across various types of hydrogen production technologies.
How does Cr30Ni70 Nichrome Wire improve the efficiency of electrolysis systems?
The wire's high electrical conductivity minimizes energy loss during the electrolysis process, improving system efficiency. This means that your hydrogen production system can operate more cost-effectively, requiring less energy to produce the same amount of hydrogen.
Can Cr30Ni70 Nichrome Wire withstand high temperatures?
Yes, Cr30Ni70 Nichrome Wire has a melting point of 1400°C, making it well-suited for high-temperature environments found in large-scale electrolysis systems. Its thermal stability ensures that it can maintain performance in demanding conditions.
What are the advantages of choosing DLX’s Cr30Ni70 Nichrome Wire?
DLX’s Cr30Ni70 Nichrome Wire offers superior corrosion resistance, excellent conductivity, high tensile strength, and customizable sizes. Our wire is priced competitively, and we provide reliable technical support to ensure optimal performance in your hydrogen production systems.