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Hastelloy C-276
- May 31, 2018 -

We are a Chinese factory specializing in manufacturing alloy fasteners for over 10 years. We can supply various fasteners products such as below:

Hastelloy C-276 hex bolts, C-276 stud bolts, C-276 heavy hex nuts,  

Hastelloy N10276 hex bolts, N10276 stud bolts,N10276 heavy hex nuts,

Hastelloy 2.4819 hex bolts, 2.4819 stud bolts,2.4819 heavy hex nuts and so on.


Hastelloy C-276 is an improved Hastelloy c wrought form developed in 1968 by HAYNES INTERNATION-ALINC, which is widely used in highly corrosive media. It is a tungsten-containing nickel-chromium-molybdenum alloy with a little silicon carbon content and is considered as a versatile corrosion resistant alloy. The main moisture-resistant chlorine, a variety of oxidizing chlorides, chloride salt solution, sulfuric acid and oxidizing salts, have good corrosion resistance in low temperature and medium temperature hydrochloric acid.

Hastelloy c-276 has good corrosion resistance for various chemical media such as strong oxidants, ferric chloride, chlorine, formic acid and acetic acid, seawater and brine solutions. Due to its superior corrosion resistance, more and more pressure vessel equipment now uses this material. At present, there are fewer pressure vessels designed and manufactured in China for Hastelloy c-276.

In summary, the alloy has the following characteristics:

1.    In the two atmospheres of oxidation and reduction, it has excellent corrosion resistance to most corrosive media.

2.     Excellent resistance to pitting, crevice corrosion and stress corrosion. The higher content of Mo and Cr makes the alloy resistant to chloride ion corrosion, and the W element further improves corrosion resistance.

Therefore, in the past three decades, in harsh corrosive environments, such as chemical industry, petrochemical industry, flue gas desulfurization, pulp and paper, environmental protection and other industrial fields have a wide range of applications.

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