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Inconel Alloy
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Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems

Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems

Brand Name: DLX
Model Number: Inconel 625
MOQ: 10kg
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 500 tons per month
Detail Information
Place of Origin:
China,Jiangsu
Certification:
Ce,Rohs
Supply Ability:
500 tons per month
Highlight:

Inconel 625 alloy tube

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High-pressure hydrogen system tube

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Inconel 625 hydrogen-resistant tube

Product Description
Superior Inconel 625 Alloy Tube for High-Pressure Hydrogen Systems
Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 0
As the demand for hydrogen energy solutions continues to rise, the need for reliable, high-performance materials for high-pressure hydrogen systems has never been greater. Inconel 625 alloy tubes offer the ideal solution for these demanding applications. Known for their exceptional strength, corrosion resistance, and resilience under high-pressure conditions, Inconel 625 provides the durability and safety required in the hydrogen infrastructure of tomorrow.
Product Overview
Inconel 625 is a nickel-based superalloy known for its outstanding performance in extreme environments. It is specifically engineered to resist high temperatures, oxidation, and corrosion, making it an ideal choice for use in high-pressure hydrogen systems. These systems require materials that not only can handle high-pressure conditions but also remain resistant to hydrogen embrittlement, a common failure mechanism in hydrogen storage and transport systems.
The exceptional tensile strength and fatigue resistance of Inconel 625 make it the perfect material for hydrogen pipelines, storage vessels, and other high-pressure applications. Additionally, Inconel 625 resists hydrogen embrittlement, which ensures long-term reliability, even when exposed to hydrogen over extended periods.
Key Features
  • Corrosion Resistance: Inconel 625 provides outstanding resistance to a variety of corrosive environments, including those encountered in hydrogen transport systems exposed to moisture, acids, and other aggressive chemicals.
  • High Strength: The alloy's high tensile strength allows it to withstand the extreme pressures involved in hydrogen storage and transportation systems.
  • Hydrogen Embrittlement Resistance: Inconel 625 is specifically designed to resist hydrogen embrittlement, ensuring that it remains structurally sound even when exposed to hydrogen gas over time.
  • Temperature Stability: It performs well across a wide range of temperatures, making it suitable for both cryogenic hydrogen storage and high-temperature hydrogen applications.
  • Weldability: Inconel 625 is easy to weld, which is crucial for constructing hydrogen systems and performing necessary repairs.
Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 1 Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 2
Parameter Comparison Table
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 -- -- -- -- --
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

Advantages of Inconel 625 for High-Pressure Hydrogen Systems
Corrosion Resistance in Aggressive Environments
Hydrogen systems often operate in environments that can lead to material degradation, such as exposure to acids, moisture, and salts. Inconel 625 offers exceptional corrosion resistance, preventing degradation of hydrogen storage tanks, pipelines, and other components. This resistance ensures long-term durability and minimizes maintenance requirements.
Hydrogen Embrittlement Resistance
One of the most critical concerns in hydrogen storage and transportation is hydrogen embrittlement, which can cause cracking and premature failure. Inconel 625 is specifically engineered to resist hydrogen embrittlement, providing reliable performance even under the most extreme hydrogen exposure conditions.
High Strength for High-Pressure Applications
In high-pressure hydrogen systems, such as compressed hydrogen storage and pipelines, the material needs to withstand extreme stress. Inconel 625's high tensile strength ensures that it can endure the pressures involved in hydrogen storage and transport without compromising structural integrity.
Temperature Stability
Whether the hydrogen is stored at cryogenic temperatures or exposed to high heat, Inconel 625 maintains its mechanical properties across a wide temperature range. This temperature stability makes it an ideal material for both cryogenic hydrogen storage and high-temperature hydrogen transport systems.

Industry Trends and Insights
As the world transitions to more sustainable energy sources, hydrogen is becoming a key player in the energy mix. Hydrogen infrastructure, including high-pressure storage systems, pipelines, and fuel cells, is rapidly expanding to support the clean energy revolution.
Key Market Trends
  • Global Hydrogen Economy Growth: With increasing investments in green hydrogen, the demand for high-quality, durable materials for hydrogen transport and storage is expanding globally.
  • Expansion of Hydrogen Fuel Cells: As hydrogen-powered vehicles and fuel cells become more mainstream, the need for reliable and efficient hydrogen storage solutions will increase.
  • Hydrogen Storage Infrastructure: The development of large-scale hydrogen storage systems, including underground storage and transport pipelines, is fueling demand for corrosion-resistant, high-strength materials like Inconel 625.

Applications of Inconel 625 in High-Pressure Hydrogen Systems
Hydrogen Pipelines
In hydrogen transport, Inconel 625 alloy tubes are an ideal solution for high-pressure hydrogen pipelines. The alloy's combination of strength, corrosion resistance, and hydrogen embrittlement resistance ensures safe, long-term hydrogen transport across vast distances.
Hydrogen Storage Vessels
Inconel 625 is also used in hydrogen storage vessels where hydrogen is stored under extreme pressure. The material's high tensile strength ensures that the vessels maintain their structural integrity and safety, even under pressure.
Pressure Vessels for Hydrogen Systems
Pressure vessels used in hydrogen systems are critical components for safely storing hydrogen at high pressure. Inconel 625's resistance to hydrogen embrittlement and corrosion makes it the ideal material for these applications.
Hydrogen Refueling Stations
In hydrogen refueling stations, which require efficient and reliable storage and distribution of hydrogen, Inconel 625 is used in pipes, valves, and storage units to ensure that the system can safely store and deliver hydrogen without failure.
Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 3 Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 4
Why DLX is Your Trusted Supplier for Inconel 625 Alloy Tubes
At DLX, we are committed to providing the highest-quality Inconel 625 alloy tubes for use in high-pressure hydrogen systems. Here's why DLX stands out as your best choice:
  • Superior Quality Control: Every Inconel 625 tube undergoes rigorous testing and quality control to ensure it meets the highest industry standards for performance, safety, and durability.
  • Custom Solutions: We offer customized Inconel 625 alloy tubes tailored to your specific needs, ensuring that your hydrogen storage systems and hydrogen pipelines meet your exact requirements.
  • On-Time Delivery: We understand the importance of timelines in your projects, and DLX guarantees on-time delivery to ensure your project stays on track.
  • Competitive Pricing: At DLX, we offer high-quality Inconel 625 alloy tubes at competitive prices, making sure you get the best value for your investment in hydrogen infrastructure.
Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 5 Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 6 Superior Inconel 625 alloy tube for High-Pressure Hydrogen Systems 7
Frequently Asked Questions
Why is Inconel 625 used for high-pressure hydrogen systems?
Inconel 625 offers superior corrosion resistance, hydrogen embrittlement resistance, and high tensile strength, making it ideal for hydrogen transport and storage systems that operate under extreme pressure and temperature conditions.
How does Inconel 625 resist hydrogen embrittlement?
Inconel 625's unique composition prevents the absorption of hydrogen into the alloy, which reduces the risk of hydrogen embrittlement and ensures the material's integrity over time.
Can Inconel 625 withstand the high pressures of hydrogen pipelines?
Yes, Inconel 625 has a high tensile strength, allowing it to safely withstand the high pressures required for hydrogen transport pipelines.
How does Inconel 625 perform in low-temperature hydrogen storage?
Inconel 625 maintains its strength and performance even at cryogenic temperatures, making it suitable for storing liquid hydrogen in cryogenic storage systems.
What other industries use Inconel 625?
Inconel 625 is used in the aerospace, power generation, and chemical processing industries, where materials must withstand high heat, pressure, and corrosive environments.
How does DLX ensure the quality of its Inconel 625 products?
DLX follows a stringent quality assurance process, ensuring that each Inconel 625 alloy tube meets industry standards and performs optimally in high-pressure hydrogen systems.
Is Inconel 625 cost-effective for hydrogen systems?
Yes, Inconel 625 provides excellent long-term value due to its durability and performance in high-pressure applications, reducing the need for frequent maintenance or replacement.
Can DLX provide custom sizes of Inconel 625 alloy tubes?
Yes, DLX offers custom-sized Inconel 625 tubes to meet the specific needs of your hydrogen storage or transport system.