Hastelloy C22 is a highly sought-after material renowned for its exceptional corrosion resistance and durability, making it the ideal choice for critical industrial applications. This alloy exhibits remarkable resilience in aggressive chemical environments, which has made it a preferred option across various industries. At Jay Steel Corporation, we take immense pride in being the leading Hastelloy C22 alloy manufacturers, suppliers, stockists, and exporters in India. Our extensive product range encompasses versatile options such as wire mesh, round bars, strips, sheets, plates, tubes, pipes, fittings, flanges, welding rods, and fasteners. Whether you require Hastelloy C22 flanges, Hastelloy C22 Round Bars, Hastelloy C22 fasteners, or any other components, we offer comprehensive solutions tailored to meet your specific project requirements. Discover the exceptional Hastelloy C22 properties through our reliable products and services. Whether you’re looking for Fasteners Manufacturers & Suppliers with a good reputation, we assure you that these materials are of high quality.

In this comprehensive guide, we will delve into the remarkable properties of Hastelloy C22 and its ability to resist corrosion in aggressive chemical environments. From its composition and unique features to its versatile applications across industries, we will explore the many reasons why Hastelloy C22 is the preferred choice for combating corrosion.

Understanding Hastelloy C22:

Hastelloy C22 is a nickel-chromium-molybdenum alloy that belongs to the Hastelloy family of alloys. Developed by Haynes International Inc., Hastelloy C22 exhibits exceptional resistance to corrosion in aggressive chemical environments. It is composed of nickel, chromium, molybdenum, tungsten, iron, and cobalt, among other elements. The precise composition of Hastelloy C22 imparts its remarkable corrosion resistance properties.

Composition and Key Properties:

The composition of Hastelloy C22 plays a vital role in its corrosion resistance capabilities. With approximately 56% nickel, 22% chromium, 13% molybdenum, and smaller amounts of tungsten, iron, and cobalt, Hastelloy C22 offers a unique combination of elements that contribute to its superior performance in aggressive chemical environments. Additionally, it contains small quantities of carbon, silicon, manganese, phosphorus, sulfur, and other elements to enhance its properties.

Some key Hastelloy C22 properties include:

  • Excellent resistance to both oxidizing and reducing environments
  • Corrosion resistance in localized areas, such as pitting and crevice corrosion
  • High resistance to stress corrosion cracking and intergranular attack
  • Outstanding resistance to chloride stress corrosion cracking
  • Good thermal stability and retention of mechanical properties at elevated temperatures

Impressive Corrosion Resistance:

One of the primary reasons for the widespread use of Hastelloy C22 is its exceptional corrosion resistance. Let’s explore the different types of corrosion it can effectively withstand:

  • Pitting and Crevice Corrosion Resistance:

Hastelloy C22 demonstrates excellent resistance to pitting and crevice corrosion, which often occur in chloride-rich environments. Pitting corrosion is localized damage that leads to the formation of small pits, while crevice corrosion occurs in tight spaces or crevices where aggressive chemicals can accumulate. The corrosion resistance of Hastelloy C22 ensures the integrity and longevity of equipment in such environments.

  • Stress Corrosion Cracking Resistance:

Stress corrosion cracking (SCC) is a significant concern in environments where tensile stresses and corrosive substances are present. Hastelloy C22 exhibits exceptional resistance to SCC, making it suitable for applications where both mechanical stress and corrosion are prevalent. In industries such as chemical processing, oil and gas, and pharmaceuticals, this property is essential.

  • Intergranular Attack Resistance:

The intergranular attack is a type of corrosion that occurs along grain boundaries, resulting in the degradation of the material’s mechanical properties. Hastelloy C22’s unique composition prevents intergranular attack, ensuring the structural integrity of equipment even in aggressive chemical environments.

  • Resistance to Chloride Stress Corrosion Cracking:

Chloride stress corrosion cracking (ClSCC) is a severe form of corrosion that can lead to sudden and catastrophic failures. Hastelloy C22 offers exceptional resistance to ClSCC, making it suitable for applications where exposure to chloride-bearing solutions is common. This property is particularly valuable in industries such as chemical processing, desalination plants, and offshore oil and gas production.

  • Versatile Applications:

Hastelloy C22 finds widespread applications in various industries due to its excellent corrosion resistance properties. Let’s explore some notable applications where Hastelloy C22 excels:

  1. Chemical Processing:

In chemical plants, Hastelloy C22 is utilized in equipment such as reactors, heat exchangers, and distillation columns. Its ability to withstand corrosive chemicals, including sulfuric acid, hydrochloric acid, and nitric acid, makes it an invaluable asset in chemical processing operations.

  1. Pharmaceuticals:

The pharmaceutical industry often deals with aggressive solvents and chemicals during the manufacturing process. Hastelloy C22’s corrosion resistance ensures the integrity and longevity of critical equipment, such as reaction vessels, piping systems, and storage tanks.

  1. Pollution Control:

Environmental protection facilities, such as waste treatment plants and scrubbers, handle corrosive gases and liquids. Hastelloy C22’s resistance to oxidizing and reducing environments makes it an excellent choice for pollution control equipment, including flue gas desulfurization systems and stack liners.

  1. Oil and Gas Industry:

Hastelloy C22 is widely used in the oil and gas industry for various applications, including offshore platforms, pipelines, and downhole equipment. Its resistance to corrosive environments, such as those containing hydrogen sulfide and chlorides, makes it an ideal choice for these demanding applications.

  1. Pulp and Paper Industry:

In the pulp and paper industry, Hastelloy C22 is utilized in equipment exposed to corrosive chemicals, including bleach, sulfuric acid, and sodium hydroxide. It ensures the durability and reliability of equipment such as digesters, bleach towers, and recovery boilers.

  1. Food Processing Industry:

Hastelloy C22 finds applications in the food processing industry, particularly in processes involving acidic and corrosive environments. It is commonly used in equipment such as mixers, vessels, and piping systems, where it ensures the integrity of food processing operations.

Key Advantages of Hastelloy C22:

Hastelloy C22 offers several advantages that make it a preferred choice for corrosion-resistant applications:

  • High Resistance to Corrosion:

With its ability to withstand corrosive attacks from a wide range of chemicals, Hastelloy C22 provides long-term durability and reduces maintenance costs. This corrosion resistance contributes to enhanced equipment longevity and operational efficiency.

  • Wide Temperature Range:

Hastelloy C22 maintains its corrosion resistance properties even at high temperatures, making it suitable for applications where elevated temperatures are involved. It exhibits excellent thermal stability, ensuring reliable performance in demanding environments.

  • Weldability and Fabrication:

Hastelloy C22 exhibits excellent weldability, allowing for easy fabrication and repair of equipment. This attribute contributes to its versatility and cost-effectiveness, as it simplifies the manufacturing and maintenance processes.

  • Compatibility with Other Materials:

Hastelloy C22 is compatible with various fabrication techniques, such as forging, machining, and welding. This compatibility enables easy integration with other materials, providing flexibility in design and construction.

  • Longevity and Cost-Effectiveness:

By utilizing Hastelloy C22 in corrosive environments, businesses can benefit from its long service life and reduced maintenance requirements. The alloy’s durability and resistance to corrosion help minimize downtime and associated costs, ultimately leading to improved productivity and profitability.

Equivalent Grades of Hastelloy Alloy C22 Wire Mesh

Hastelloy C22 2.4602 N06022 NW 6022 NiCr21Mo14W

Hastelloy C22 Chemical Composition

Grade C Mn Si S Co Ni Cr Fe Mo P
Hastelloy C22 0.010 max 0.50 max 0.08 max 0.02 max 2.50 max 50.015 min* 20.00 – 22.50 2.00 – 6.00 12.50 – 14.50 0.02 max

Hastelloy C22 Mechanical Properties



Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000 , MPa – 690 Psi – 45000 , MPa – 310 45 %

 Final Words!…

Hastelloy C22 is an incredible alloy renowned for its unparalleled ability to resist corrosion in highly aggressive chemical environments. This extraordinary metal has become the preferred choice across a diverse range of industries, including chemical processing, petrochemicals, pharmaceuticals, and waste treatment, among others. As the leading Hastelloy C22 alloys manufacturer, supplier, stockist, and exporter in India, Jay Steel Corporation offers a comprehensive selection of top-quality Hastelloy C22 products. Our customers have the freedom to choose the perfect solution that caters to their specific project requirements.

In addition to serving the domestic market, we also export our exceptional Hastelloy C22 alloys to numerous countries worldwide, including Singapore, Malaysia, Nigeria, Thailand, USA, France, Saudi Arabia, Kuwait, Qatar, Egypt, Turkey, Oman, Jordan, Bahrain, Russia, Germany, the United Kingdom, and Italy. Our commitment lies in delivering the highest quality alloys for critical applications in these international destinations.

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