Hastelloy B2 Flanges

ASTM B564 Hastelloy B2 flanges are an important component of various industrial processes that require high corrosion resistance levels in aggressive environments. This type of Hastelloy alloy is a nickel-molybdenum alloy with significant amounts of chromium, iron, and tungsten. Its unique chemical composition provides exceptional resistance against a wide range of corrosive chemicals such as hydrochloric acid, sulfuric acid, and phosphoric acid, among others.

B2 Hastelloy flanges are commonly used in chemical processing, pharmaceutical, and oil and gas industries where corrosive environments and high temperatures are common. The flanges are available in various sizes and dimensions to suit different applications, and they can be customized to meet specific client requirements. They are versatile components that play a crucial role in ensuring the safety and reliability of many industrial processes. Other grades of Hastelloy flanges are also available, such as Hastelloy X Flanges, Hastelloy C276 Flanges, etc.

One of the benefits of using Hastelloy alloy B2 flanges is their high resistance against stress corrosion cracking. This type of corrosion is particularly damaging as it develops over a period of time, often without any visible signs until severe damage is done. Hastelloy B2 flanges’ ability to withstand such an aggressive chemical environment makes them ideal for critical applications requiring high reliability. Another advantage of Hastelloy B2 flanges is their consistency in performance across a wide range of temperatures. Even when subjected to temperatures as high as 1000°F (538°C), they maintain their excellent corrosion resistance and mechanical strength, making them suitable for high-temperature applications.

Hastelloy UNS N10665 flanges are also resistant to intergranular corrosion, which occurs when the grain boundaries of a metal are exposed to a corrosive environment. This mechanism leads to the formation of cracks and fissures, greatly reducing the mechanical integrity of the flange. However, due to its unique chemical composition, Hastelloy B2 flanges can withstand such corrosion, making them ideal for harsh environments.

In addition to the above benefits, Hastelloy DIN 2.4617 flanges are also highly resistant to pitting and crevice corrosion, which are particularly damaging types of corrosion that occur in specific areas of the metal. Their resistance to these types of corrosion is due to their unique chemical composition, which includes high amounts of molybdenum and chromium, making them an excellent choice for use in highly corrosive environments.

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