Exploring the Differences Between Hastelloy B3 and Hastelloy C276

Exploring the Differences Between Hastelloy B3 and Hastelloy C276 are two popular high-performance nickel-based alloys that are widely used in various industries due to their excellent corrosion resistance properties. While they belong to the same family of Hastelloy alloys, each has distinct characteristics and applications that set them apart. Let’s delve into the differences between Hastelloy B3 and Hastelloy C276 to understand their unique properties and uses.

Composition:

Hastelloy B3:

Hastelloy B3 is a nickel-molybdenum alloy with significant additions of chromium and iron.
It contains about 65% nickel, 28-32% molybdenum, 1.5-3% iron, and smaller amounts of chromium and other elements.

Hastelloy C276:

Hastelloy C276 is a nickel-molybdenum-chromium alloy with tungsten additions.
It typically comprises 50-65% nickel, 15-17% chromium, 14.5-16.5% molybdenum, 3-4.5% iron, and small amounts of tungsten and cobalt.
Corrosion Resistance:

Hastelloy B3:

Hastelloy B3 offers superior resistance to hydrochloric acid, sulfuric acid, phosphoric acid, and other reducing chemicals.
It is particularly well-suited for applications involving strong reducing acids at high temperatures.

Hastelloy C276:

Hastelloy C276 is known for its exceptional resistance to a wide range of corrosive environments, including strong oxidizing acids, chlorides, and seawater.
It is widely used in applications where corrosion resistance is a critical factor.
Temperature Resistance:

Hastelloy B3:

Hastelloy B3 exhibits good thermal stability and can withstand elevated temperatures.
It is suitable for use in high-temperature environments where acid attack is a concern.
Hastelloy C276:

Hastelloy C276 offers excellent resistance to high-temperature oxidation and is capable of withstanding extreme heat conditions.
It is commonly utilized in applications involving aggressive chemical environments at elevated temperatures.
Applications:

Hastelloy B3:

Hastelloy B3 is often used in chemical processing, pharmaceutical, and petrochemical industries where resistance to reducing acids is crucial.
It is favored for applications involving sulfuric acid, hydrochloric acid, acetic acid, and other aggressive chemicals.
Hastelloy C276:

Hastelloy C276 finds applications in chemical processing, pollution control, pulp and paper, and waste treatment industries.
It is well-suited for use in environments containing chlorides, sulfuric acid, phosphoric acid, and seawater.
In conclusion, while both Hastelloy B3 and Hastelloy C276 offer exceptional corrosion resistance properties, they are tailored for different applications based on their specific compositions and performance characteristics. Choosing the right alloy depends on the unique requirements of the environment in which it will be used. Whether it’s combating aggressive acids or withstanding high temperatures, Hastelloy alloys provide reliable solutions for demanding industrial applications.

Tianjin Anton Metal Manufacture Co., Ltd. is a company specializing in the production of various nickel-based alloys, Hastelloy alloys and high-temperature alloy materials. The company was established in 1989 with a registered capital of 10.0 million, specializing in the production and sales of alloy materials. Anton Metal’s products are widely used in aerospace, chemical industry, electric power, automobile, nuclear energy and other fields, and can also provide customized alloy material solutions according to customer needs. If you need to know the price consultation of alloy materials or provide customized alloy material solutions, please feel free to contact the sales staff.

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