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Hastelloy C22 is a high-performance nickel-chromium-molybdenum alloy known for its exceptional corrosion resistance in various aggressive chemical environments. This alloy is well-suited for applications involving strong oxidizing agents and reducing acids. Hastelloy C22 pipe fittings are essential components in various industrial sectors where corrosive elements pose a significant challenge.

Hastelloy C22 is composed of nickel, chromium, molybdenum, tungsten, and iron, providing excellent resistance to oxidizing and reducing media. The alloy's chemical composition contributes to its corrosion resistance in harsh environments. Hastelloy C22 pipe fittings exhibits remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking.

Chemical Composition of Hastelloy C22 Pipe Fittings

Chemical Composition of Hastelloy C22 Pipe Fittings provides crucial insights into material properties and industrial applications.


Hastelloy C22


0.010 max0.50 max0.08 max0.02 max2.50 max50.015 min*20.00 – 22.502.00 – 6.0012.50 – 14.50

0.02 max


This table outlines essential Chemical Composition and performance characteristics of Hastelloy C22 Pipe Fittings.

Mechanical Properties of Hastelloy C22 Pipe Fittings

The table provides a detailed breakdown of key elements in the Mechanical Properties of Hastelloy C22 pipe Fittings.

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
Hastelloy C228.69 g/cm31399 °C (2550 °F)Psi – 1,00,000 , MPa – 690Psi – 45000 , MPa – 31045 %

The properties of Hastelloy C22 pipe Fittings in low-temperature carbon steel are balanced for demanding applications.

Key Features of Hastelloy C22 Pipe Fittings:

1. Corrosion Resistance: Hastelloy C22 pipe fittings offer exceptional resistance to various corrosive substances, including chlorides, acids, and other aggressive chemicals. This makes them ideal for chemical processing, pharmaceuticals, and petrochemicals.

2. Temperature Resistance: The alloy maintains its mechanical properties over a broad temperature range, making it suitable for applications involving extreme temperatures.

3. Weldability: Hastelloy C22 pipe fittings are easily weldable using various welding techniques. This allows for flexibility in designing and installing piping systems.

4. Versatility: These fittings find applications in diverse industries, including chemical processing, pollution control, pulp and paper, and pharmaceuticals, showcasing their versatility.

Types of Hastelloy C22 Pipe Fittings

Hastelloy C22 pipe fittings come in various types, each designed to serve specific purposes in different piping systems. These fittings are crafted precisely to meet industry standards and are available in diverse shapes and configurations. Here are some common types of Hastelloy C22 pipe fittings:

1. Hastelloy C22 Elbows:

90-Degree Elbows: These fittings are used to change the direction of the pipe by 90 degrees, allowing for smooth flow and efficient routing in a piping system.

45-Degree Elbows: Similar to 90-degree elbows but with a smaller angle, they provide a gentler change in direction.

2. Hastelloy C22 Tees:

Equal Tees: Hastelloy C22 equal tees distribute fluid or gas flow equally in three directions, forming a T-shaped intersection.

Reducing Tees: These tees have different-sized openings to accommodate pipes of varying diameters, allowing for the merging or splitting of flow.

3. Hastelloy C22 Reducers:

Concentric Reducers: Used to connect pipes of different sizes while maintaining a common centerline, ensuring a smooth flow transition.

Eccentric Reducers: Similar to concentric reducers, the centerline of the inlet and outlet pipes is offset, making them suitable for applications where fluid drainage is crucial.

4. Hastelloy C22 Couplings:

Full Couplings: Join two pipes of the same diameter, providing a seamless connection for maintaining flow continuity.

Half Couplings: These fittings are designed for threaded pipes and provide a partial joint, often used for connecting smaller pipes to larger ones.

5. Hastelloy C22 Unions:

Threaded Unions: Provide a detachable joint in threaded piping systems, allowing easy maintenance and disassembly.

Socket Weld Unions: Ideal for socket weld connections, providing a secure and leak-resistant joint.

6. Hastelloy C22 Caps and Plugs:

Caps: Seal the end of a pipe, preventing fluid or gas flow. They are often used for pipe endings in closed systems.

Plugs: Similar to caps, plugs are used to close the end of a pipe but are designed for threaded connections.

7. Hastelloy C22 Crosses:

Equal Crosses: Distribute fluid or gas flow equally in four directions, forming a cross-shaped intersection.

Reducing Crosses: Similar to equal crosses but with different-sized openings to accommodate pipes of varying diameters.

Applications of Hastelloy C22 Pipe Fittings:

1. Chemical Processing Industry: Hastelloy C22 pipe fittings are extensively used in the chemical processing industry for handling corrosive chemicals, acids, and chlorides.

2. Oil and Gas: In the oil and gas sector, where aggressive media such as sour gas is encountered, Hastelloy C22 pipe fittings are employed to ensure the integrity of the piping systems.

3. Pharmaceuticals: Given its resistance to various chemicals, Hastelloy C22 pipe fittings is used in pharmaceutical manufacturing processes, ensuring the purity and integrity of the final products.

4. Pulp and Paper Industry: The resistance of Hastelloy C22 pipe fittings to corrosion makes it suitable for use in the harsh chemical environments of pulp and paper processing.

Hastelloy C22 pipe fittings are crucial in industries where corrosion resistance is paramount. Their exceptional chemical composition, manufacturing precision, and versatile applications make them indispensable in environments where conventional materials would fail. Whether in chemical processing, oil and gas, pharmaceuticals, or other demanding industries, Hastelloy C22 pipe fittings provide a reliable and durable solution to the challenges posed by corrosive media. As technology and materials advance, Hastelloy C22 pipe fittings remains a go-to choice for critical applications requiring superior corrosion resistance and reliability.

FAQ's for Hastelloy C22 Pipe Fittings

Hastelloy C22 Pipe Fittings Starts At Rs 50/Piece To Rs 100/Piece

Hastelloy C22 pipe fittings are non-magnetic, it does not exhibit any magnetic properties. It is known for its excellent resistance to corrosion in various chemical environments, including hydrochloric acid and other reducing media, as well as chloride-induced pitting and crevice corrosion. It also maintains excellent strength and ductility at high temperatures.

Yes, Hastelloy C22 pipe fittings are highly corrosion resistant to a wide range of chemical environments, making them suitable for many industrial applications.

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