Hastelloy C-276

Hello. This is Dong-A Special Metals Co.

Hastelloy C-276 (UNS N10276) is a high-performance corrosion-resistant alloy based on nickel (Ni) and containing molybdenum (Mo), chromium (Cr), iron (Fe), and a small amount of tungsten (W). Known for its excellent resistance in strong acid and oxidizing-reducing environments, it is one of the most commonly used grades in the Hastelloy series.


Excellent Corrosion Resistance in Harsh Environments

Hastelloy C-276 provides superior protection against chloride ions, sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, wet chlorine, and alternating redox environments.

- Molybdenum (15–17%) increases resistance to crevice corrosion and stress corrosion cracking.

- Chromium enhances resistance to oxidizing agents, while

- Nickel maintains stability in reducing media.

Thanks to this balanced composition, it is considered a general-purpose corrosion-resistant alloy for nearly all chemical attack conditions.


Industrial Applications in Chemical and Marine Environments

Hastelloy C-276 is widely used in:

- Reactors, heat exchangers, distillation columns

- Pressure vessels, pumps, and valves

- Mixed acid processing, dyeing, and pulp & paper industries

- Pharmaceutical cleanroom equipment

- Seawater cooling systems, desalination plants, and offshore structures

Its superior seawater resistance—even against long-term chloride exposure—makes it a cost-effective solution for offshore wind farms and marine plants where conventional stainless steel fails.


Machinability and Weldability

Hastelloy C-276 is compatible with high-speed and carbide tools, ensuring shape retention during machining. It also:

- Requires minimal post-weld heat treatment

- Is available in powder form for use in 3D printing of high-precision industrial parts.


Recycling Value and Sustainability

The high content of nickel and molybdenum gives C-276 a high raw material value.

- Machining residues and scrap parts can be refined and remelted into new ingots or premium powders.

- This enhances resource efficiency and supports a circular economy in metal use.


Future Outlook: Green Industry and Hydrogen Economy

With global trends toward carbon neutrality and hydrogen energy, high-temperature corrosion-resistant alloys like Hastelloy C-276 are in growing demand.

Their role is critical in:

- Hydrogen production facilities

- Carbon capture and storage (CCUS) systems

- High-efficiency power generation plants




#HastelloyC276 #NickelAlloy #CorrosionResistance #ChemicalIndustry #SeawaterApplications #MolybdenumAlloy #OffshoreStructures #3DPrintingAlloys #AlloyRecycling #DongASpecialMetals

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Mobile : +82-10-6367-7392

Company Catalog Download :

1) Eng : https://blog.naver.com/dongaspecial/223683563148

2) Kor : https://blog.naver.com/dongaspecial/223683558947

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Product Brochure Download :

1) Eng : https://blog.naver.com/dongaspecial/223683548933

2) Kor : https://blog.naver.com/dongaspecial/223683546036

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2) adenjang@dongasepcial.co.kr

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