Hastelloy C-22

Introduction to Hastelloy C-22

Dong-A Special Metals, Inc. presents Hastelloy C-22, a high-performance corrosion-resistant alloy. It is primarily composed of nickel (Ni) and strengthened with elements such as chromium (Cr), molybdenum (Mo), iron (Fe), and tungsten (W). This alloy is specially designed to perform reliably in both oxidizing and reducing environments.


Outstanding Corrosion Resistance

Hastelloy C-22’s chemical makeup provides exceptional corrosion resistance:

- Chromium forms a passive oxide film in oxidizing settings.

- Molybdenum and tungsten defend against pitting and crevice corrosion in acidic environments.

- Iron enhances overall strength and contributes to corrosion protection.

Thanks to this robust composition, Hastelloy C-22 resists degradation even in chlorinated, high-acid, and high-temperature conditions.


Superior Mechanical Properties

In addition to corrosion resistance, Hastelloy C-22 features:

- High tensile and yield strength

- Excellent heat resistance

- Outstanding elongation, ensuring good formability and machinability

These properties make it ideal for applications requiring long-term stability and high mechanical strength.


Key Applications Across Industries

Hastelloy C-22 is trusted in sectors that demand high corrosion resistance and process purity:

- Fine chemicals and pharmaceuticals: reactors, heat exchangers, and storage tanks

- Semiconductor manufacturing: high-purity chemical systems and plasma chambers

- Petrochemical and marine industries: piping and containment systems

Its versatility ensures operational reliability even under extreme industrial conditions.


Recycling Value of Hastelloy C-22 Scrap

As a strategic high-alloy material, Hastelloy C-22 scrap has substantial recycling value due to:

- High nickel, molybdenum, chromium, and tungsten content

- Suitability for vacuum melting, powder metallurgy, and ingot production

Scrap materials, including machining offcuts and dismantled parts, are collected and reprocessed to recover valuable metals. This contributes to resource conservation and reduces dependency on raw imports.


Sustainability and Market Demand

With rising global concerns over:

- Environmental regulations

- Energy efficiency

- Raw material security

Hastelloy C-22 is gaining attention not just as an industrial alloy, but as a key material for sustainable, circular economy models. Its high recyclability and performance make it vital for future-proof industries.



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Company Catalog Download :

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

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

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

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

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