Corrosion is one of the biggest challenges faced by industries operating in highly aggressive environments. Equipment exposed to chlorides, oxidizing acids, reducing chemicals, and elevated temperatures requires components that deliver long-term reliability without compromising safety. Metcore Steel & Alloys offers premium-quality Hastelloy C22 Flanges designed to perform exceptionally well in demanding industrial conditions. Manufactured using high-grade alloy materials and precision engineering, these flanges provide outstanding corrosion resistance, mechanical strength, and dimensional accuracy. They are widely used for connecting pipelines, valves, pumps, and pressure vessels across chemical processing, marine, pharmaceutical, oil & gas, and power generation industries where dependable sealing performance is essential.
Hastelloy C22 Flanges Manufacturers and Suppliers
As one of the leading Hastelloy C22 Flanges Manufacturers, Metcore Steel & Alloys produces flanges that comply with international quality standards while meeting the specific requirements of global industries. Every flange is manufactured under strict quality control to ensure excellent durability, leak-proof performance, and long service life. Available in Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, and Spectacle Blind types, these flanges are suitable for high-pressure and high-temperature applications.
Customers looking for reliable Hastelloy C22 Flanges Suppliers benefit from an extensive inventory that supports both standard and customized requirements. Products are available in multiple pressure classes including Class 150, 300, 600, 900, 1500, and 2500, ensuring compatibility with a wide range of piping systems.
Product Overview
Hastelloy C22 Flanges are manufactured from a nickel-chromium-molybdenum-tungsten alloy known for its exceptional resistance to pitting, crevice corrosion, stress corrosion cracking, and localized attack. The alloy performs remarkably well in oxidizing and reducing environments, making it one of the most versatile corrosion-resistant alloys available today.
These flanges maintain excellent mechanical properties over a wide temperature range and are commonly used where conventional stainless steels fail. Their ability to withstand aggressive chemicals such as sulfuric acid, hydrochloric acid, nitric acid, chlorine dioxide, ferric chloride, and wet chlorine makes them a preferred choice for critical industrial applications.
Material Composition
The outstanding performance of Hastelloy C22 is achieved through its carefully balanced chemical composition.
- Nickel (Balance)
- Chromium: 20.0–22.5%
- Molybdenum: 12.5–14.5%
- Iron: 2.0–6.0%
- Tungsten: 2.5–3.5%
- Cobalt: Maximum 2.5%
- Carbon: Maximum 0.015%
- Manganese: Maximum 0.50%
- Silicon: Maximum 0.08%
- Phosphorus: Maximum 0.02%
- Sulfur: Maximum 0.02%
The high chromium content enhances oxidation resistance, while molybdenum and tungsten significantly improve resistance against pitting and crevice corrosion.
Mechanical Properties
Industries prefer Hastelloy C22 because it combines excellent corrosion resistance with impressive mechanical strength.
Typical mechanical properties include:
- Tensile Strength: 690 MPa minimum
- Yield Strength: 310 MPa minimum
- Elongation: 45% minimum
- Hardness: Approximately 95 HRB
These properties allow the flanges to maintain structural integrity under severe operating conditions.
Chemical Properties and Corrosion Resistance
One of the strongest characteristics of Hastelloy C22 is its outstanding resistance to aggressive chemical media. The alloy performs exceptionally well in environments containing oxidizing acids, reducing acids, chlorides, seawater, and mixed chemical solutions.
Its superior resistance includes:
- Pitting corrosion
- Crevice corrosion
- Stress corrosion cracking
- Oxidation
- Wet chlorine attack
- Ferric and cupric chloride solutions
- Sulfuric acid
- Hydrochloric acid
- Nitric acid
This broad corrosion resistance significantly increases equipment life while reducing maintenance costs.
International Standards and Specifications
Hastelloy C22 Flanges are manufactured according to internationally accepted specifications for industrial piping systems.
Common standards include:
- ASTM B564
- ASME SB564
- ANSI B16.5
- ANSI B16.47
- EN 2.4602
- DIN 2.4602
- UNS N06022
- W.Nr. 2.4602
- ISO Specifications
- JIS Equivalent Industrial Standards
Depending on the application and region, the alloy is commonly identified as UNS N06022, EN 2.4602, DIN 2.4602, or W.Nr. 2.4602.
Pipe Types, Sizes and Pressure Ratings
These flanges are manufactured to suit numerous piping systems.
Available flange types include:
- Weld Neck
- Slip-On
- Blind
- Threaded
- Socket Weld
- Lap Joint
- Ring Type Joint (RTJ)
- Spectacle Blind
- Long Weld Neck
Available sizes:
- ½" NB to 48" NB
- Custom dimensions available
- Pressure Classes: 150, 300, 600, 900, 1500, 2500
- PN6 to PN400
- Raised Face (RF)
- Flat Face (FF)
- Ring Type Joint (RTJ)
Industrial Applications of Hastelloy C22 Flanges
The exceptional corrosion resistance of Hastelloy C22 Flanges makes them suitable for numerous industries requiring dependable piping connections.
Major applications include chemical processing plants, fertilizer manufacturing, petrochemical facilities, offshore platforms, marine engineering, desalination plants, pharmaceutical production, pulp and paper industries, wastewater treatment plants, pollution control systems, heat exchangers, pressure vessels, nuclear facilities, food processing equipment, oil refineries, and power generation plants.
Their outstanding resistance to aggressive process media allows these flanges to maintain performance even after years of continuous service.
Manufacturing Process
Manufacturing begins with premium-quality alloy billets that undergo forging or machining to achieve the desired flange dimensions. Heat treatment is carefully controlled to maintain the alloy's corrosion-resistant properties.
Precision CNC machining ensures dimensional accuracy while maintaining strict tolerances. Surface finishing processes improve sealing performance and enhance corrosion resistance before final inspection.
Every production stage follows stringent quality assurance procedures to guarantee reliable industrial performance.
Testing Methods
Each flange undergoes comprehensive quality testing before dispatch.
Testing includes:
- Positive Material Identification (PMI)
- Hydrostatic Testing
- Ultrasonic Testing
- Radiographic Testing
- Dye Penetrant Testing
- Hardness Testing
- Tensile Testing
- Flattening Tests
- Dimensional Inspection
- Visual Examination
These inspections ensure compliance with international quality standards.
Hastelloy C22 Flanges Stockists and Exporters
Metcore Steel & Alloys is recognized among trusted Hastelloy C22 Flanges Stockists by maintaining ready inventory for urgent industrial requirements. Standard sizes, pressure ratings, and flange types are available for immediate dispatch, minimizing customer downtime.
As experienced Hastelloy C22 Flanges Exporters, the company supplies precision-engineered flanges to international customers while ensuring secure packaging, complete documentation, and timely deliveries.
Growing industrial demand has also established the company among dependable Hastelloy C22 Flanges in India suppliers serving refineries, EPC contractors, fabrication companies, and engineering projects across the country.
The company has further strengthened its reputation as one of the preferred Hastelloy C22 Flanges Manufacturers in India, supported by consistent quality, technical expertise, and customer-focused service.
Industrial buyers also rely on Hastelloy C22 Flanges Suppliers in India for dependable stock availability and customized project requirements.
Many infrastructure projects source products from reliable Hastelloy C22 Flanges Stockists in India because of their quick delivery capability and extensive inventory.
With expanding international demand, Hastelloy C22 Flanges Exporters in India continue supplying high-performance alloy flanges to customers across Asia, Europe, the Middle East, Africa, and North America.
Mumbai remains a major industrial hub, making Hastelloy C22 Flanges in Mumbai highly sought after for chemical plants, fabrication industries, and marine engineering projects.
The company is also recognized among dependable Hastelloy C22 Flanges Manufacturers in Mumbai for delivering premium-quality forged flanges with consistent performance.
Industrial customers prefer trusted Hastelloy C22 Flanges Suppliers in Mumbai because of quick availability, technical support, and competitive pricing.
Ready inventory makes Hastelloy C22 Flanges Stockists in Mumbai an ideal choice for emergency maintenance shutdowns and ongoing industrial projects.
International buyers also recognize experienced Hastelloy C22 Flanges Exporters in Mumbai for supplying corrosion-resistant flanges with worldwide shipping support.
Features and Advantages
The growing popularity of Hastelloy C22 flanges is driven by their exceptional performance in challenging environments.
Key advantages include excellent corrosion resistance, outstanding oxidation resistance, high mechanical strength, superior weldability, long service life, resistance to pitting and crevice corrosion, dimensional stability, excellent pressure-handling capability, outstanding temperature resistance, low maintenance requirements, reliable sealing performance, extended operational life, and compatibility with aggressive chemical processes.
These benefits significantly reduce lifecycle costs while improving operational efficiency.
Pressure and Temperature Resistance
Hastelloy C22 maintains its mechanical strength and corrosion resistance under elevated temperatures and high-pressure conditions. It performs reliably in demanding chemical processing systems where conventional stainless steels may experience rapid degradation.
Its excellent thermal stability allows safe operation across a broad temperature range, making it suitable for heat exchangers, reactors, pressure vessels, and high-temperature processing equipment.
Why Industries Prefer This Product
Industries choose Hastelloy C22 flanges because they offer an excellent balance of corrosion resistance, mechanical performance, fabrication capability, and long-term durability. Their versatility allows use in highly corrosive environments where process safety and equipment reliability are critical.
The alloy's resistance to aggressive chemicals reduces maintenance frequency, lowers replacement costs, minimizes production downtime, and extends the service life of piping systems, making it a cost-effective investment for industrial operations.
Why Choose Metcore Steel & Alloys
Metcore Steel & Alloys is committed to delivering premium-quality Hastelloy C22 flanges that meet international quality standards and demanding industrial applications. Every product is manufactured with precision, inspected through rigorous testing, and supplied with complete quality documentation. The company's experienced technical team, ready stock availability, customized manufacturing capability, timely deliveries, and customer-focused approach make it a trusted partner for projects of every scale. With a strong commitment to quality, competitive pricing, and reliable global supply, customers receive products that consistently exceed industry expectations.
Contact Us
+91-9833872282
+91-9833872282
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https://www.metcoresteel.com/
Ambika Sadan Sant Sena Maharaj Marg, Mumbai 400004