
Inconel 718 is a high-performance superalloy renowned for its
exceptional resistance to extreme temperatures, corrosion, and
fatigue. This makes it indispensable in critical applications
across the energy sector, aerospace, and hydrogen production. DLX
provides premium Inconel 718 alloy strips specifically engineered
to optimize hydrogen production through water electrolysis,
delivering unmatched strength and durability.
Product Overview
Inconel 718 is a nickel-based precipitation-hardened superalloy
composed of nickel, chromium, iron, niobium, and molybdenum. It
offers outstanding mechanical strength and resistance to
high-temperature oxidation and corrosion, making it ideal for
high-stress applications in hydrogen production systems utilizing
water electrolysis.
Material Composition Comparison
| Item | Inconel 600 | Inconel 601 | Inconel 617 | Inconel 625 | Inconel 690 | Inconel 718 | Inconel X750 | Inconel 825 |
|---|
| C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
| Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
| Fe | 6-10 | rest | ≤3 | rest | 7-11 | rest | 5-9 | ≥22 |
| P | ≤0.015 | ≤0.02 | ≤0.015 | -- | -- | -- | -- | -- |
| S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
| Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
| Cu | ≤0.5 | ≤1 | -- | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
| Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
| Co | -- | -- | 10-15 | ≤10 | -- | ≤1 | ≤1 | -- |
| Al | -- | 1-1.7 | 0.8-1.5 | ≤0.8 | -- | 0.2-0.8 | 0.4-1 | ≤0.2 |
| Ti | -- | -- | ≤0.6 | ≤1.15 | -- | -- | 2.25-2.75 | 0.6-1.2 |
| Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
| Nb+Ta | -- | -- | -- | 4.75-5.5 | -- | 4.75-5.5 | 0.7-1.2 | -- |
| Mo | -- | -- | 8-10 | 2.8-3.3 | -- | 2.8-3.3 | -- | 2.5-3.5 |
| B | -- | -- | ≤0.006 | -- | -- | -- | -- | -- |
Available Shapes and Sizes
| Shape | Size (mm) |
|---|
| Wire | 0.02-7.50 |
| Rod/Bar | 8.0-200 |
| Strip | (0.5-2.5)*(5-180) |
| Tube/Pipe | Customized |
| Sheet/Plate | Customized |
Key Features
High-Temperature Strength
Maintains mechanical properties up to 700°C (1292°F), ideal for
high-temperature electrolysis systems requiring consistent
performance in extreme conditions.Excellent Corrosion Resistance
Outstanding resistance to oxidation and corrosion in highly
corrosive water electrolysis environments, ensuring long service
life with minimal maintenance.Hydrogen Embrittlement Resistance
Prevents structural degradation in hydrogen-rich conditions,
maintaining system reliability over time.Superior Weldability
Highly weldable for creating complex components or performing
repairs in electrolyzers, offering versatility for hydrogen
production manufacturers.Exceptional Fatigue and Stress Rupture Resistance
Withstands cyclic stresses and thermal fatigue essential for
component longevity in electrolysis systems.

Performance Advantages
Maximized Efficiency in Electrolysis Systems
Enhances hydrogen production efficiency with durable, high-strength
components that withstand harsh environments, reducing downtime and
boosting productivity.Longer Component Lifespan
Superior resistance to high temperatures, corrosion, and hydrogen
embrittlement extends component life, providing excellent long-term
investment value.Reduced Maintenance Costs
Exceptional durability minimizes frequent repairs or replacements,
significantly lowering long-term operational expenses.Versatility for Custom Components
Easily processed and customized to meet specific hydrogen
production system requirements, enabling optimized performance
through tailored components.High-Performance, Cost-Effective Solution
While featuring higher initial costs, the durability and reduced
maintenance needs provide excellent long-term value for hydrogen
production systems.
Industry Analysis
The global hydrogen market is experiencing significant growth with
increasing investments in clean energy technologies. Hydrogen
production via water electrolysis represents one of the most
promising methods for environmentally sustainable hydrogen
generation. Electrolyzers require materials capable of withstanding
high temperatures, fluctuating pressures, and aggressive
environments—areas where Inconel 718 excels.
As governments and industries worldwide advance decarbonization and
renewable energy adoption, hydrogen demand as a clean fuel
continues to rise. Inconel 718's exceptional thermal and corrosion
resistance makes it vital for ensuring electrolysis system
efficiency, reliability, and longevity. DLX is prepared to supply
Inconel 718 alloy strips that meet the evolving demands of this
rapidly expanding industry.
Application Areas

Why Choose DLX for Inconel 718 Alloy Strips?
DLX is a trusted supplier of Inconel 718 alloy strips, delivering
high-quality products that meet the demanding requirements of
hydrogen production and other critical applications.

FAQ
What makes Inconel 718 ideal for hydrogen production?
Inconel 718 offers exceptional resistance to high temperatures,
corrosion, and hydrogen embrittlement, making it the perfect
material for electrolyzers and hydrogen production equipment.
How does Inconel 718 enhance electrolytic hydrogen efficiency?
Inconel 718's high strength and resistance to thermal fatigue and
corrosion ensure long-lasting performance, reduced downtime, and
improved overall efficiency in electrolysis systems.
What are the key benefits of using Inconel 718 in electrolysis
systems?
Inconel 718 improves system efficiency, extends component lifespan,
reduces maintenance costs, and provides reliable performance in
harsh environments.
Is Inconel 718 weldable?
Yes, Inconel 718 is highly weldable, facilitating custom part
fabrication and repairs in hydrogen production systems.
How does Inconel 718 resist hydrogen embrittlement?
Inconel 718's unique alloy composition prevents hydrogen
embrittlement, ensuring material strength and stability in
hydrogen-rich environments.
How long does Inconel 718 last in hydrogen production systems?
Inconel 718's exceptional durability ensures long operational life
in hydrogen production systems under extreme conditions,
significantly reducing maintenance and replacement needs.
Why should I choose DLX for Inconel 718?
DLX offers high-quality Inconel 718 alloy strips with custom
solutions, on-time delivery, competitive pricing, and expert
technical support.
Can Inconel 718 be used for custom components in hydrogen
production?
Yes, Inconel 718 is highly customizable and can be fabricated into
custom components to meet specific hydrogen production system
requirements.