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Hastelloy C22 is a versatile nickel-chromium-molybdenum-tungsten alloy with exceptional corrosion resistance in harsh environments. Hastelloy C22 plates are a popular form of this alloy, widely used in various industries due to their unique properties.

Hastelloy C22 is part of the Hastelloy family and is known for its outstanding corrosion resistance in oxidizing and reducing environments. The C22 alloy contains a high percentage of nickel (56%), along with chromium (22%), molybdenum (13%), and tungsten (3%), providing a robust combination of elements that contribute to its exceptional corrosion resistance.

Chemical Composition of Hastelloy C22

This table provides an extensive breakdown of important elements in the chemical composition of Hastelloy C22 Plates.

C220.010 max0.50 max0.08 max0.02 max2.50 max50.015 min*20.00 – 22.502.00 – 6.0012.50 – 14.500.02 max

This composition data empowers us to make informed choices to elevate our performance

Mechanical Properties of Hastelloy C22

Explore the table for insights into the Mechanical Properties of Hastelloy C22 Plates.

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 %

Hastelloy C22 Plates exhibit robust mechanical properties, ensuring reliability and performance in various applications.

Applications of Hastelloy C22 Plates:

  1. Chemical Processing Industry: Hastelloy C22 plates find extensive use in the chemical processing industry, where exposure to corrosive chemicals is prevalent. The alloy's resistance to various aggressive chemicals, including chlorides, sulfuric acid, and acetic acid, makes it suitable for applications such as reactor vessels, distillation columns, and heat exchangers.
  2. Petrochemical Industry: Hastelloy C22 plates are employed in various components subjected to corrosive environments in the petrochemical industry. These include reactors, piping systems, and valves where exposure to corrosive gases and liquids is common. The alloy's resistance to pitting, crevice corrosion, and stress corrosion cracking enhances its reliability in such applications.
  3. Pollution Control: Hastelloy C22 plates is widely used in pollution control equipment, particularly in flue gas desulfurization systems. Its resistance to sulfur-containing compounds and acids makes it an ideal material for components like scrubbers and absorbers, contributing to reducing air pollutants.
  4. Pharmaceutical Industry: The pharmaceutical industry utilizes Hastelloy C22 plates to manufacture chemical processing equipment. The alloy's ability to withstand the corrosive nature of various chemicals and cleaning agents ensures the integrity of critical components, promoting safety and product quality.
  5. Aerospace and Nuclear Industry: Hastelloy C22 plates resistance to corrosion and high-temperature stability make it suitable for aerospace and nuclear applications. In these industries, the alloy is employed in components such as reactor core support structures and aircraft exhaust systems, where exposure to extreme conditions is a constant factor.
  6. Marine Environments: Due to its resistance to corrosion in seawater and brine solutions, Hastelloy C22 plates are utilized in marine applications. Components such as seawater cooling systems and offshore platforms benefit from the alloy's durability and longevity in corrosive saltwater environments.

Benefits of Hastelloy C22 Plates:

  1. Superior Corrosion Resistance: The primary advantage of Hastelloy C22 plates is their exceptional corrosion resistance. The alloy excels in resisting a broad spectrum of corrosive substances, making it a preferred choice for industries dealing with aggressive chemicals and environments.
  2. Versatility: Hastelloy C22 plates is highly versatile, offering excellent performance in various applications. Its ability to withstand oxidizing and reducing conditions expands its utility across diverse industries.
  3. High Temperature Stability: The alloy maintains its mechanical properties at elevated temperatures, making it suitable for high temperatures and thermal cycling applications.
  4. Resistance to Pitting and Crevice Corrosion: Hastelloy C22 plates exhibits resistance to pitting and crevice corrosion, which are common challenges in corrosive environments. This property enhances the longevity of components and reduces the risk of localized corrosion.
  5. Ease of Fabrication: Hastelloy C22 plates are easily fabricated, allowing for the manufacturing of complex components and structures. This ease of fabrication contributes to cost-effectiveness in the production process.

Hastelloy C22 plates offer a combination of corrosion resistance, versatility, and high-temperature stability, making them indispensable in various industries. From chemical processing to aerospace applications, the unique properties of Hastelloy C22 plates contribute to the reliability and longevity of critical components in challenging environments.

FAQ's for Hastelloy C22 Plates

The Price Range For Hastelloy C22 Plate Products Is ₹200 To ₹400 Per Kilogram.


Hastelloy C22 is a non-magnetic alloy. It is made up of nickel, chromium, molybdenum, tungsten, and iron, none of which are magnetic materials. This makes it suitable for use in applications where a non-magnetic material is required, such as in certain types of electrical and electronic equipment. However, it's worth noting that small particles, or even a large enough piece of Hastelloy C22 may be affected by a magnetic field, and could potentially be magnetized.

Yes, Hastelloy C22 is a corrosion-resistant alloy. It is particularly resistant to pitting and crevice corrosion, as well as to stress corrosion cracking and oxidizing atmospheres. It is also resistant to a wide range of chemicals, including both oxidizing and reducing acids, chlorides, and other halides. This makes it suitable for use in harsh chemical environments, such as in the chemical processing, pollution control, and pharmaceutical industries.

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