Welcome to Changzhou DLX Alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of heaters, thermocouples and titanium,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Hastelloy Alloys
Product Details

Our Hastelloy C276 is a nickel-based superalloy that delivers unparalleled performance in the most aggressive environments, particularly those involving wet chlorine, hypochlorite, and sulfuric acid. In the context of the burgeoning hydrogen energy economy, the resistance to hydrogen embrittlement exhibited by Hastelloy C276 is paramount. This hydrogen embrittlement resistance ensures the long-term structural integrity and safety of components used for hydrogen storage and hydrogen transportation, preventing catastrophic failure under high-pressure hydrogen conditions. As a leading supplier of advanced hydrogen materials, we provide Hastelloy C276 in various forms to meet the precise demands of the hydrogen industry.
Why Choose Our Hastelloy Tubes?
When you source your Hastelloy tubing from DLX, you are investing in unparalleled quality, reliability, and technical expertise. Our Hastelloy tubes are manufactured to the highest international standards, ensuring superior performance in critical applications across various industries.

The Hastelloy C276 alloy offers a unique combination of properties that make it a top-tier hydrogen compatible material.
The primary reason for its selection in hydrogen service, it maintains ductility and toughness in high-pressure hydrogen environments.
Outstanding resistance to a wide range of corrosive media, including pitting, stress corrosion cracking, and oxidizing atmospheres up to 1900°F.
Provides robust mechanical properties for high-pressure hydrogen storage vessels and hydrogen transportation systems.
Can be welded and fabricated using standard techniques, allowing for the construction of complex components for the hydrogen energy sector.
Performs reliably from cryogenic temperatures to elevated temperatures encountered in various hydrogen processes.


| Hastelloy Grade | Hastelloy B | Hastelloy C-276 | Hastelloy C-4 | Hastelloy C-22 | Hastelloy C-59 | Hastelloy G | Hastelloy X |
| Corresponding brand | N10001/ NS321/ ONl65Mo28Fe5/ VN12MV | N10276 / 2.4819/ NS334 / CW12MW | N06455 / 2.4610I 00Cr16Ni65Mo16Ti / NS335 | N06022 / 2.4602/ NS3308 | N06059 / 2.4605/ NS3311 / Alloy59 | N06007 / 2.4618/ NS3402 | N06002 / 2.4665/ GH3536 / GH32 |
| Chemical composition% | |||||||
| C≤ | 0.05 | 0.01 | 0.015 | 0.015 | 0.01 | 0.05 | 0.05-0.15 |
| Mn≤ | 1 | 1 | 1 | 0.5 | 0.5 | 1.0-2.0 | 1 |
| P≤ | 0.04 | 0.04 | 0.04 | 0.02 | 0.015 | 0.04 | 0.04 |
| S≤ | 0.03 | 0.03 | 0.03 | 0.02 | 0.01 | 0.03 | 0.03 |
| Si≤ | 1 | 0.08 | 0.08 | 0.08 | 0.01 | 1 | 1 |
| Cr≤ | ≤1 | 14.5-16.5 | 14.0-18.0 | 14.0-18.0 | 22.0-24.0 | 21.0-23.5 | 20.5-23.0 |
| Ni≤ | the base | the base | the base | the base | the base | the base | the base |
| Mo | 26.0-30.0 | 15.0-17.0 | 14.0-17.0 | 12.5-14.5 | 15.0-16.5 | 5.5-7.5 | 8.0-10.0 |
| Cu | ≤0.50 | 1.5-2.5 | |||||
| N | W:3.0-4.5 | W:2.5-3.5 | W:≤1.0 | W:0.2-1.0 | |||
| Nb | 1.75-2.50 | ||||||
| Other | V:0.20-0.40 Co:≤2.50 Fe:4.0-60. | V:≤0.35 Co:≤2.50 Fe:4.0-7.0 | Ti:≤0.70 Co:≤2.0 Fe:≤3.0 | V:≤0.35 Co:≤2.5 Fe:2.0-6.0 | AI:0.10-0.40 Co:≤0.30 Fe:≤1.50 | Co:≤2.5 Fe:≤18.0-21.0 | Co:≤0.5-2.5 Fe:≤17.0-20.0 |

Hastelloy C276 is a critical hydrogen material used in numerous applications within the hydrogen energy value chain.
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.




A: Hastelloy C276 offers exceptional resistance to hydrogen embrittlement, a phenomenon where metals become brittle and fracture when exposed to hydrogen. This property is critical for the safety and reliability of hydrogen storage and hydrogen transportation systems operating under high pressure.
A: In green hydrogen energy production via electrolysis, highly corrosive environments are present. Hastelloy C276 provides excellent resistance to chlorides and acidic media, ensuring long service life for electrolyzer components.
A: Yes, one of the key advantages of Hastelloy C276 is its excellent weldability. It can be readily fabricated using common welding techniques without becoming susceptible to post-weld corrosion, making it ideal for constructing large-scale hydrogen storage infrastructure.
A: We supply Hastelloy C276 in a wide range of forms including sheet, plate, strip, bar, pipe, tubing, and wire to serve various needs in the hydrogen industry.
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