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Views: 1 Author: Wang Publish Time: 2025-04-21 Origin: Site
Hastelloy C22, also known as alloy C22, is a versatile austenitic nickel-chromium-molybdenum-tungsten alloy with enhanced resistance to pitting, crevice corrosion and stress corrosion cracking. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungsten content give good resistance to reducing media. This nickel steel alloy also has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chlorine ions. Other corrosives Hastelloy C-22 has resistance to are oxidizing acid chlorides, wet chlorine, formic and acetic acids, ferric and cupric chlorides, sea water, brine and many mixed or contaminated chemical solutions, both organic and inorganic. This nickel alloy Hastelloy C22 also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. This is beneficial in multi- purpose plants where such “upset” conditions occur frequently. This nickel alloy Hastelloy C22 resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition. Alloy C-22 should not be used in service temperatures above 1250° F due to the formation of detrimental phases which form above this temperature.
Alloy 22 Bar | ASTM B574, ASTM B462, DIN 17752, ISO 9724, ISO 9723 |
Alloy 22 Plate | ASTM B 575 |
Alloy 22 Sheet | ASTM B 575, ASTM B906, ASME SB 575 ASME SB 906, ASME Code Case 2226, ISO 6208, DIN 17750 |
Alloy 22 Strip | ASTM B 575, ASTM B906, ASME SB 575 ASME SB 906, ASME Code Case 2226, ISO 6208, DIN 17750 |
Alloy 22 Wire | ASTM B574, DIN 17753 |
Alloy 22 Forging | ASTM B564, ASTM SB564, DIN 17754 |
Alloy 22 Pipe | Seamless Pipe ASTM B622, Weld Pipe ASTM B619, ASTM B775 |
Alloy 22 Tube | Seamless Tube, ASTM B622, ASTM B829, Weld Tube ASTM B626, DIN 17751, ISO 6207 |
Alloy 22 Fitting | ASTM B366, ASME SB366 |
Alloy 22 Other | UNS N06022, Werkstoff Nr 2.4602 |
Hastelloy is an alloy of austenitic nickel-chromium and molybdenum alloy. The Hastelloy C22 alloy is designed with superior strength and excellent corrosion resistance properties. These alloys have good wear resistance and can suffice in extreme temperatures and pressures. The Hastelloy C22 material is made with excellent mechanical properties. They possess a minimum tensile strength of 100Ksi and a minimum yield strength of 45ksi. Apart from this, they can be easily machined and welded. They are widely used in chemical processing, pulp, and paper processing systems, pollution control, power generation systems, waste disposal, marine industries, and so on. We are amongst the leading Hastelloy C22 suppliers in India. We thrive to supply the best products which are available for all our clients at feasible rates.
The Hastelloy Alloy C22 can be processed by both the hot and cold rolling processes. These alloys are highly versatile and can be shaped in different dimensions. They possess a smooth finish and show resistance against pitting and cracking due to acids. The alloy is very easy to maintain and has a long service life. Hastelloy C22 Price per kg in India is between the ranges of Rs-2500 to Rs-2700. The price of this alloy depends on the thickness, grade, and sizes of the C22 alloy. All our products can be customized as per in different chemical make-up, sizes, and shapes as per the requirements of our clients. We are the Alloy C22 suppliers who make use of the latest technology and best raw materials whilst producing the best products in the market. These products are produced following international and national standards. If you want to know about our products or their pricing contact us to know more.
Hastelloy Alloy C22 Chemical Equation
C22 – UNS N06022 | ||
Element | Simbol | Maximum |
Carbon | C | 0,015 |
Manganese | Mn | 0,50 |
Tungsten | W | 2,5-3,5 |
Sulfur | S | 0,020 |
Silicon | Si | 0,08 |
Nickel | Ni | 56,0 |
Chrome | Cr | 20,0-22,5 |
Molybdenum | Mo | 12,5-14,5 |
Cobalt | Co | 2,5 |
Iron | Fe | 2,0-6,0 |
Phosphorus | P | 0,02 |
Vanadium | V | 0,35 |
Hastelloy C22 bars are known for their high tensile strength, which measures the maximum stress they can endure before breaking. At room temperature, Hastelloy C22 has a minimum tensile strength of 100 ksi, which decreases to about 88 ksi at 1000°F. This robust tensile strength makes it ideal for applications requiring durability under stress.
Yield strength is the stress level at which a material begins to deform plastically. As the temperature rises, the yield strength of Hastelloy C22 decreases, dropping to around 34 ksi at 1000°F. This characteristic is crucial for maintaining shape and structural integrity under load.
Elongation measures how much Hastelloy C22 can stretch before breaking, with a minimum elongation of 45%, demonstrating excellent ductility. This property is particularly beneficial for applications that require significant forming or shaping.
Hardness indicates a material’s resistance to deformation and permanent indentation. Hastelloy C22 balances hardness and ductility, providing a durable yet workable material suitable for various demanding environments.
Hastelloy C22 are vital in industries demanding high corrosion resistance due to their robust and versatile properties. These bars are indispensable across various sectors where durability and performance under harsh conditions are paramount.
Chemical Processing Industry
Hastelloy C22 are extensively utilized in the chemical processing industry because they offer unmatched resistance to a wide array of corrosive chemicals. They are employed in the construction of reactors, heat exchangers, and vessels that handle aggressive acids and mixed acid streams. The alloy’s ability to withstand both oxidizing and reducing environments makes it ideal for applications where chemical purity and equipment longevity are critical.
Pollution Control and Flue Gas Desulfurization
In pollution control, Hastelloy C22 are used in systems designed to scrub and treat flue gases, such as those found in power plants. The alloy’s resistance to corrosion caused by sulfide and chloride exposure ensures durability and reliability in these harsh conditions. Its performance in flue gas desulfurization systems helps reduce environmental impact and maintain operational efficiency.
Waste Management and Incineration
The waste management sector benefits from Hastelloy C22’s robust properties, particularly in incineration processes where high temperatures and corrosive media are prevalent. The alloy’s resistance to pitting and crevice corrosion, along with its mechanical strength, makes it ideal for use in scrubbers, storage tanks, and waste treatment systems.
Pharmaceutical and Food Processing
In pharmaceutical and food processing industries, Hastelloy C22 is chosen for its ability to maintain product integrity by preventing contamination from corrosion, ensuring safety and hygiene in reactors and storage vessels. The alloy’s excellent formability and weldability allow for seamless integration into complex systems.
Oil & Gas and Power Generation
In the oil and gas industry, Hastelloy C22 are essential for their ability to endure harsh conditions. They are used in equipment exposed to sour gas environments and high-pressure systems. The alloy’s resistance to chloride-induced stress corrosion cracking enhances the safety and reliability of pipelines, valves, and pumps. In power generation, Hastelloy C22 is used in components that require both thermal stability and corrosion resistance, ensuring long-term performance and minimal maintenance.
