Adinox Overseas is a leading supplier and exporter of Hastelloy C22 Flanges, designed to deliver superior performance in extreme environments. Manufactured using the highest-grade materials, our flanges meet the universal standard specifications of ASTM B564 and are identified by the UNS number N06022. Known for their outstanding resistance to corrosion, particularly in oxidizing and reducing environments, Hastelloy C22 flanges are the preferred choice for critical process components in industries such as chemical processing, marine, pollution control, and power generation.

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Hastelloy C22 is a nickel-chromium-molybdenum-tungsten alloy with excellent corrosion resistance across a broad range of media. The UNS N06022 alloy effectively resists pitting, crevice corrosion, and stress corrosion cracking. These properties make it highly suitable for aggressive chemical applications, including handling of strong oxidizers such as ferric and cupric chlorides, chlorine, formic and acetic acids, acetic anhydride, and seawater. Flanges made from this alloy exhibit great mechanical strength, durability, and long service life even under harsh conditions.

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At Adinox Overseas, we provide Hastelloy C22 flanges in various types such as slip-on flanges, blind flanges, weld neck flanges, socket weld flanges, threaded flanges, and lap joint flanges. Each flange is precision-engineered to ensure a leak-proof seal, superior finish, and dimensional accuracy. These flanges comply with both national and international standards, making them suitable for use in global industrial applications.

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The use of Hastelloy C22 flanges enhances system reliability by reducing the risk of leakage, material failure, or downtime due to corrosion-related damages. With a combination of nickel, chromium, molybdenum, and tungsten, this alloy exhibits a unique balance of thermal stability and resistance to aggressive chemical media. We cater to both standard and customized requirements, offering ready stock and prompt delivery options to clients worldwide.

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Specifications Of Hastelloy C22 Flanges

Specifications	ASTM B564 / ASME SB 564 / 160 / 472
Standards	ANSI Flanges, ASME Flanges, DIN Flanges, EN Flanges, BS Flanges, JIS Flanges, AWWA Flanges etc.
Dimensions	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size	1/2″NB TO 60″NB
Pressure / Class	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
Flange Face Type	Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Chemical Composition for Hastelloy C22 Flanges

Grade	C	Cr	Mo	Si	V	Fe	Ni
Hastelloy C22	0.010 max	20 – 22.5	12.5 – 14.5	0.08 max	0.35 max	2 – 6	Bal

Mechanical Properties Of Hastelloy C22 Flanges

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 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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