Overview of Hastelloy C22

Hastelloy C22, renowned for its exceptional strength in demanding environments, boasts a remarkable composition that distinguishes it as an advanced material. This versatile alloy has earned a well-deserved reputation as an industry workhorse, finding wide-ranging applications from chemical processing to aerospace. At MV Super Alloys, we take immense pride in our role as India’s premier alloy C22 traders, serving as a stockist, suppliers, dealers, importers, and exporters. Our unwavering commitment to delivering top-tier Hastelloy C22 materials in various forms such as pipes, tubes, fittings, round bars, coils, shims, strips, wires, forged stock, sheets, and plates has solidified our position as the preferred choice for discerning clients across the nation. Whether you’re seeking Hastelloy C22 pipe fittings, Hastelloy C22 pipe, Hastelloy C22 tubes, or any other alloy C22 product, we have you covered.

In this blog post, we will delve into the remarkable qualities of Hastelloy C22 and explain why it is a go-to material for projects requiring exceptional corrosion resistance.

Hastelloy C22

Hastelloy C22 also referred to as alloy C22, stands as a versatile austenitic alloy composed of Nickel, Chromium, Molybdenum, and Tungsten. It boasts exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, making it a top choice in demanding environments. With its elevated chromium content, it offers robust protection against oxidizing substances, while the presence of molybdenum and tungsten enhances its resilience against reducing agents. This nickel-based alloy excels in resisting oxidizing aqueous media, including environments containing wet chlorine and mixtures featuring nitric acid or oxidizing acids rich in chlorine ions. Additionally, 2.4602 alloys demonstrate outstanding resistance to a wide array of corrosive elements, including oxidizing acid chlorides, formic and acetic acids, ferric and cupric chlorides, seawater, brine, and a variety of mixed or contaminated chemical solutions, both organic and inorganic.

Properties of Hastelloy C22

• Corrosion Resistance: Perhaps the most notable characteristic of Hastelloy C22 is its unparalleled resistance to a wide array of corrosive media. It performs exceptionally well in both reducing and oxidizing environments, including those containing chloride ions, sulfuric acid, hydrochloric acid, and phosphoric acid.
• High-Temperature Stability: Hastelloy C22 maintains its mechanical properties and corrosion resistance even at elevated temperatures, making it suitable for applications in demanding thermal conditions.
• Versatility: This alloy is highly versatile and can be used in various forms, including pipes, tubes, sheets, plates, and fittings, making it adaptable for a wide range of applications.
• Weldability: Hastelloy C22 is weldable using various welding techniques, which enhances its applicability in complex fabrication projects.
• Excellent Fabrication Characteristics: It offers good formability and can be easily machined, making it a preferred choice for many manufacturing processes.

C22 Hastelloy Uses

Hastelloy C22, designated as UNS N06022 alloys, stands out as an exceptional alloy renowned for its remarkable corrosion resistance, rendering it highly versatile across diverse industries including chemical, power generation, and oil & gas. This alloy’s elevated chromium composition not only ensures outstanding formability and weldability but also provides unparalleled protection against various corrosion forms. Additionally, its nickel content contributes to excellent ductility and resistance against stress-corrosion cracking. Beyond its prevalent use in pipes, fittings, and valves, 2.4602 alloys find application in specialized products like heat exchangers, tanks, pumps, and other vital process components exposed to severe environments, including saltwater or seawater. Moreover, its machinability makes 2.4602 alloys a favoured choice in a plethora of industrial applications where top-tier performance is paramount.

Benefits of Hastelloy C22

• Longevity: Equipment and structures made from Hastelloy C22 have a longer service life due to their resistance to corrosion, reducing maintenance and replacement costs.
• Safety: In industries where chemical leaks or equipment failures can have catastrophic consequences, using 2.4602 alloys provides an extra layer of safety.
• Reduced Downtime: Its reliability and longevity translate to fewer shutdowns and reduced production downtime.
• Cost-Effective: Although the initial investment may be higher than standard materials, the long-term savings in maintenance and replacement costs make it a cost-effective choice.
• Environmental Benefits: The longevity of equipment made from Hastelloy C22 reduces the need for frequent replacements, leading to a smaller environmental footprint.

Hastelloy C22 Specifications & Standard

 

Forms	ASTM	ASME	DIN
Sheet/Plate	B 575	SB 575	17750
Pipe and Tube	B 619/B 775 B 622/B 829 B 626/B 751	SB 619/SB 775 SB 622/SB 829 SB 626/SB 751	17751
Rod, Bar, Wire, and Forging Stock	B 462 B 564 B 574	SB 564 SB 574	17752 17753 17754

 

EQUIVALENT OF HASTELLOY C22

STANDARD	WERKSTOFF NR.	UNS	JIS	GOST	EN	OR
Hastelloy C22	2.4602	N06022	NW 6022	–	NiCr21Mo14W	–

 

Hastelloy C22 composition

Grade	C	Mn	Si	S	Co	Ni	Cr	Fe	Mo	P
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

 

UNS N06022 Mechanical Properties

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Hastelloy C22	8.69 g/cm3	1399 °C (2550 °F)	Psi – 1,00,000 , MPa – 690	Psi – 45000 , MPa – 310	45 %

 

Applications of Hastelloy C22

Hastelloy C22’s unique properties have led to its adoption across diverse industries:

• Pharmaceutical industries use alloy C-22 fittings and tubing to avoid contamination caused by corrosion-related failures
• Cellophane manufacturing
• Chlorination systems
• Pesticide production
• Incineration scrubber systems
• Chemical process industry in equipment like flue gas scrubbers, chlorination systems, sulfur dioxide scrubbers, pulp and paper bleach plants, pickling systems, and nuclear fuel reprocessing
• Waste water processing
• Other Applications

 

Final Words!

Hastelloy C22 is a remarkable alloy with unparalleled corrosion resistance properties, making it indispensable in demanding industrial environments. As the leading Hastelloy C22 stockist, supplier, trader, dealer, importer, and exporter in India, MV Super Alloys is your one-stop destination for top-quality Hastelloy C22 products. Whether you are looking for Hastelloy C22 Suppliers or Hastelloy C22 Stockists we have you covered for all.

Moreover, we supply the raw material with a Material Test Certificate (MTC) and deliver excellent quality alloys to our esteemed clients. Our commitment to excellence, material quality, and nationwide reach makes us the preferred choice for industries across India in various cities including Hyderabad, Gujarat, Chennai, Bangalore, Mumbai, Telangana, Rajasthan, Delhi, Punjab, and Himachal Pradesh.

Contact MV Super Alloys today at sales@mvsapl.com. and let us fulfill your Hastelloy C22 requirements with precision and reliability. Your success is our business!