Reliable Hastelloy C22 Solution for Hydrogen Infrastructure

Description of Hastelloy C276

What is Hastelloy C276?

Our Hastelloy C22 (UNS N06022) is a versatile, nickel-based corrosion-resistant alloy known for its exceptional durability in challenging conditions. It is specifically formulated to provide excellent resistance to pitting, crevice corrosion, stress corrosion cracking, and oxidixzing atmospheres up to high temperatures. This makes the Hastelloy C22 alloy an indispensable material for constructing critical components within the hydrogen energy value chain, particularly where safety and long-term integrity are paramount. As a leading supplier of advanced materials, we provide Hastelloy C22 in various forms including sheet, plate, strip, and bar to meet the precise needs of your hydrogen infrastructure projects.

Key Features of Hastelloy C276

The Hastelloy C22 solution delivers a combination of properties that are critical for success in hydrogen applications:

• Exceptional General Corrosion Resistance: 

  Outstanding performance against a wide array of chemicals, including oxidizing acids like nitric acid and mixed acids.

• Superior Localized Corrosion Resistance: 

  Excellent resistance to pitting and crevice corrosion, especially in environments containing chlorides and other halides, which are common challenges in hydrogen production and storage.

• Resistance to Stress Corrosion Cracking (SCC): 

  Maintains integrity under tensile stress in corrosive environments, a critical factor for high-pressure hydrogen storage vessels and piping.

• Versatility in Corrosive Media: 

  Effectively resists wet chlorine, hypochlorite, and chlorine dioxide environments, which can be encountered in various industrial settings adjacent to hydrogen energy systems.

• Excellent Fabricability: 

  This corrosion-resistant alloy can be welded and fabricated using standard techniques, allowing for the construction of complex components for hydrogen transportation infrastructure.

• High-Temperature Stability: 

  Retains its protective oxide layer and mechanical properties at elevated temperatures, ensuring reliable performance.

Chemical of Hastelloy C276

Application Field of Hastelloy C276 

The robust properties of Hastelloy C22 make it suitable for numerous critical applications within the burgeoning hydrogen infrastructure:

• High-Pressure Hydrogen Storage Tanks: Liner material for Type IV vessels due to its impermeability and resistance to hydrogen embrittlement.

• Hydrogen Transportation Pipelines: Inner cladding or solid piping for transporting high-purity hydrogen over long distances.

• Valves, Fittings, and Fasteners: Critical components that require maximum corrosion resistance and reliability.

• Electrolyzer Components: Used in parts exposed to highly corrosive electrolytes and generated gases.

• Hydrogen Compressor Systems: For parts in contact with high-pressure, moist hydrogen streams.

• Fueling Station Infrastructure: For valves, regulators, and piping handling high-pressure hydrogen during dispensing.

Advantage of Hastelloy C276  

About DLX

Founded in 2002, CHANGZHOU DLX ALLOY CO., LTD is a leading manufacturer specializing in the research and production of specialized alloy materials. Our factory has earned both the ISO9001 International Quality Management System Certificate and SGS Certification, affirming our commitment to high standards of quality.

We are experts in the entire alloy production process, including melting, drawing, heat treatment, finishing, and rigorous testing. Our product range includes nickel-based, copper-based, and iron-based alloys, such as super alloys, welding materials, anti-corrosion alloys, precision alloys, FeCrAl alloys, NiCr alloys, CuNi alloys, and thermocouples. These are available in various forms including wire, strip, ribbon, bar, tube, and plate.

FAQ:

Q1: Why is Hastelloy C-276 preferred over stainless steel for hydrogen applications?

A: Standard stainless steels are highly susceptible to hydrogen embrittlement, especially under high pressure, leading to loss of ductility and cracking. Hastelloy C-276, as a hydrogen resistant alloy, maintains its mechanical integrity and resembrittlement, ensuring long-term safety and reliability in hydrogen storage and transport systems.

Q2: Can Hastelloy C-276 be used in high-temperature hydrogen environments?

A: Yes. Hastelloy C-276 retains excellent mechanical strength and corrosion resistance at elevated temperatures, making it suitable for various stages within hydrogen production and processing where heat is a factor.

Q3: What forms of Hastelloy C-276 are available for hydrogen component manufacturing?

A: We supply Hastelloy C-276 in various forms to meet your fabrication needs, including sheet, strip, plate, bar, wire, pipe, and tubing, specifically for hydrogen energy components.

Q4: Is Hastelloy C-276 suitable for welding in hydrogen service equipment?

A: Absolutely. Hastelloy C-276 is known for its excellent weldability. It can be readily fabricated using common welding methods without undergoing post-weld heat treatment, which is crucial for constructing large hydrogen transport and storage vessels.