Everything You Need to Know About Hastelloy C22 Pipe Fitting

Hastelloy C22 is one of the most popular alloys used for industrial applications due to its exceptional resistance to various chemicals. Hastelloy C22 pipe fittings are used in various industries, including petrochemical, chemical processing, and pharmaceutical. They are essential in transporting gas, water, and other fluids under extreme temperatures and corrosive environments. This blog post will cover everything you need about Hastelloy C22 pipe fitting, including properties, applications, and benefits.

What is Hastelloy C22 Pipe Fitting?

Hastelloy C22 Pipe Fitting is a specialized type of pipe fitting constructed from nickel-chromium-molybdenum alloy known as Hastelloy. It is very strong and corrosion-resistant in harsh environments like chlorides, sulfuric acid, and alkaline solutions. The hardness of the alloy makes it suitable for various applications such as chemical processing, pharma/biotech industries, petrochemical refining, and more. The unique combination of high strength and excellent resistance to many corrosive media make it an ideal choice for demanding engineering tasks. Additionally, Alloy C22 Pipe Fittings are low-maintenance, cost-efficient solutions that require regular control inspections to prolong their service life.

Properties of Hastelloy C22 Pipe Fittings

Hastelloy C22 is a nickel-chromium-molybdenum-tungsten alloy with exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. It has outstanding resistance to various corrosive environments, including sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and hydrogen fluoride. Hastelloy C22 is also highly resistant to both oxidizing and reducing environments. It can withstand temperatures up to 1250°F (677°C) and offers excellent mechanical strength and ductility.

Applications of Hastelloy C22 Pipe Fittings

C22 Hastelloy pipe fittings are used in various industrial applications, including chemical processing, pharmaceuticals, oil and gas, and pulp and paper. They are used to manufacture reactor vessels, heat exchangers, evaporators, piping systems, and valves. Hastelloy C22 pipe fittings are particularly suited for applications where the environment is highly corrosive and toughness and reliability are required.

Benefits of Hastelloy C22 Pipe Fittings

Hastelloy C22 alloy pipe fittings offer a range of benefits, including excellent corrosion resistance, high strength and durability, and exceptional resistance to high temperatures. They have a long service life and require minimal maintenance and replacement, making them a cost-effective choice for many applications. The fittings are also easy to install and provide a high degree of flexibility and customization in design.

Types of Hastelloy C22 Pipe Fittings

Hastelloy C22 pipe fittings are available in several types, including elbow, tee, reducers, and flanges. Elbow fittings are used to change the direction of the pipe and are available at various angles. Tee fittings are used to merge or split fluid flow and are available in equal and unequal sizes. Reducers are used to transition between different pipe sizes. Flanges connect pipes and valves and are available in different grades and dimensions.

How to Choose the Right Hastelloy C22 Pipe Fittings?

Choosing the right C22 Hastelloy pipe fittings for your application is critical to ensure optimal performance and durability. Consider the operating environment, fluid properties, and the pressure and temperature requirements of the application. Consider the design and dimensions of the fittings, including the size, shape, and connection type. Select fittings that are compatible with other piping system components and meet the relevant industry standards.


Hastelloy C22 pipe fittings are essential for transporting fluids in corrosive environments, providing excellent resistance to a wide range of chemicals and high temperatures. They offer high strength and durability, require minimal maintenance, and are easy to install. When selecting the right Hastelloy alloy C22 pipe fittings, consider the operating environment, fluid properties, pressure and temperature requirements, and compatibility with other components. By choosing the right fitting, you can ensure optimal performance and durability for your application.

Everything You Need to Know About Hastelloy C22 Pipe Fitting

by Metcore Steel time to read: 2 min