Hastelloy Fittings

What is hastelloy fittings?

Hastelloy fittings are highly resistant to corrosion and oxidation, making them ideal for use in harsh environments where other materials would quickly degrade. They can be used in a variety of applications, including chemical processing, pulp and paper production, and pollution control systems.

Hastelloy fittings come in a range of sizes, shapes, and configurations, including elbows, tees, reducers, and couplings, among others. They are available in a range of specifications to meet the specific needs of different applications and are typically made to industry standards such as ASTM, ASME, and ANSI.

Specification of  hastelloy fittings

Hastelloy fittings come in various specifications, depending on the specific application requirements. Some of the most common specifications for Hastelloy fittings include:

1. ASTM B366: This specification covers wrought nickel and nickel alloy fittings of various types, including Hastelloy. The fittings covered by this specification include buttweld, threaded, and socket-weld fittings.

2. ASME B16.9: This specification covers factory-made wrought steel buttwelding fittings, including Hastelloy fittings. The fittings covered by this specification include elbows, tees, reducers, and caps, among others.

3. ANSI B16.11: This specification covers forged steel fittings, including socket-weld and threaded fittings, in sizes ranging from 1/8" to 4". The fittings covered by this specification include couplings, tees, elbows, and caps, among others.

4. MSS SP-43: This specification covers stainless steel butt-welding fittings, including Hastelloy fittings, for use in corrosion-resistant service. The fittings covered by this specification include elbows, tees, reducers, and caps, among others.

5. DIN 2605: This specification covers seamless and welded steel elbows and bends, including Hastelloy elbows, for use in pipeline construction. The fittings covered by this specification are available in a range of materials and sizes.

Application of hastelloy fittings

Hastelloy fittings are commonly used in a variety of applications where resistance to corrosion, high temperature, and pressure is essential. Some of the typical applications of Hastelloy fittings include:

1. Chemical processing: Hastelloy fittings are widely used in the chemical processing industry due to their excellent resistance to corrosion by a wide range of acids, alkaline solutions, and salts. They are often used in reactors, heat exchangers, and piping systems for handling corrosive chemicals.

2. Oil and gas: Hastelloy fittings are also used in the oil and gas industry, particularly in offshore platforms, refineries, and pipelines. They can withstand harsh environments, including high pressure and temperature, and resist corrosion from sour gas, seawater, and other aggressive substances.

3. Aerospace: Hastelloy fittings are also used in the aerospace industry, particularly in jet engine components and exhaust systems. They offer excellent resistance to high-temperature oxidation and are highly durable in extreme environments.

4. Pulp and paper: Hastelloy fittings are used in the pulp and paper industry, where they are employed in chemical recovery systems, bleaching plants, and other corrosive environments.

5. Pollution control systems: Hastelloy fittings are used in pollution control systems, such as scrubbers, where they are exposed to corrosive gases, acids, and other aggressive chemicals.

6. Food and beverage industry: Hastelloy fittings are employed in the food and beverage industry to resist corrosion from acidic foods and drinks.

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