Hastelloy C22 Flanges are components used in piping systems fabricated from the highly corrosion-resistant alloy Hastelloy C22. These flanges provide connection points between pipes, valves, or other equipment, facilitating easy assembly and disassembly while maintaining a secure and leak-free seal. Hastelloy C22 is renowned for its exceptional resistance to various corrosive environments, including oxidizing and reducing media. It makes C22 flanges ideal for use in industries such as chemical processing, oil and gas, and pharmaceuticals, where corrosion resistance is critical. Flanges made from Hastelloy C22 offer reliability, durability, and long service life in demanding applications.
| Standard | ASTM B 622, B 619 / ASME SB 622, SB 619 |
| Standard | ASTM, ASME and API |
| Size | 15 NB UP TO C22 NB IN SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Length | Single Random, Double Random & Required Length, Cut Length |
| End | Plain End, Beveled End, Treaded |
| Grade | C | Mn | Si | Co | P | Fe | Mo | Ni | Cr | S | W | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C22 | 0.010 max | 0.50 max | 0.08 max | 2.5 max | 0.02 max | 2 – 6 | 12.5 – 14.5 | Bal | 20 – 22.5 | 0.02 max | 2.5 – 3.5 | 0.35 max |
| Density | 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% |
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We offer These Hastelloy C22 Flanges as per DIN, ISO, JIS or ANSI Standard.
Excellent Corrosion Resistance: Hastelloy C22 flanges offer outstanding resistance to a wide range of corrosive environments, including oxidizing and reducing conditions, making them suitable for use in harsh chemical processing applications.
Resistance to Pitting and Crevice Corrosion: Hastelloy C22 flanges exhibit exceptional resistance to pitting and crevice corrosion, which are common forms of localized corrosion in chloride-containing environments.
High Temperature Stability: Hastelloy C22 flanges maintain their mechanical properties and corrosion resistance at high temperatures, making them suitable for use in elevated temperature applications such as chemical reactors and heat exchangers.
Versatility: Hastelloy C22 flanges are highly versatile and can be used in a wide range of industries, including chemical processing, pharmaceuticals, pulp and paper, and pollution control.
Good Weldability: Hastelloy C22 flanges are easily weldable using common welding techniques, allowing for ease of fabrication and installation in various applications.
Low Risk of Stress Corrosion Cracking: Hastelloy C22 exhibits low susceptibility to stress corrosion cracking in harsh environments, providing long-term reliability and durability in critical applications.
Resistance to Chloride-Induced Corrosion: Hastelloy C22 flanges offer excellent resistance to chloride-induced corrosion, making them suitable for use in marine and offshore applications where exposure to seawater is a concern.
Longevity: Hastelloy C22 flanges have a long service life due to their superior corrosion resistance and durability, resulting in reduced maintenance and replacement costs over time.
Compliance with Industry Standards: Hastelloy C22 flanges meet various industry standards and specifications, ensuring quality, reliability, and compliance with regulatory requirements.
Cost-Effectiveness: Despite their premium properties, Hastelloy C22 flanges offer cost-effective solutions for corrosion-resistant applications, providing excellent value for long-term performance and reliability.
Hastelloy C22 Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
No, Hastelloy C22 flanges do not rust. Hastelloy C22 is a nickel-chromium-molybdenum alloy renowned for its exceptional resistance to corrosion, including rust. Even when exposed to harsh environments containing acids, chlorides, and oxidizing agents, Hastelloy C22 maintains its corrosion resistance properties, making it an ideal material for use in corrosive applications. Therefore, Hastelloy C22 flanges are highly resistant to rust and other forms of corrosion, ensuring long-term reliability and performance in corrosive environments.
Yes, Hastelloy C22 flanges can be welded using conventional welding techniques such as TIG (Tungsten Inert Gas) welding, MIG (Metal Inert Gas) welding, and SMAW (Shielded Metal Arc Welding). However, it’s crucial to follow proper welding procedures and techniques to maintain the alloy’s corrosion resistance and mechanical properties. Pre-weld and post-weld heat treatments may be necessary to minimize the risk of weld-related issues such as sensitization and intergranular corrosion. Additionally, qualified welders with experience working with Hastelloy alloys should be employed to ensure successful welding and optimal performance of the flanges.
Yes, Hastelloy C22 flanges are suitable for cryogenic applications. Hastelloy C22 is known for its exceptional resistance to a wide range of temperatures, including very low temperatures encountered in cryogenic environments. The alloy maintains its mechanical properties and corrosion resistance at cryogenic temperatures, making it suitable for use in applications such as liquefied natural gas (LNG) storage and transportation, cryogenic research, and aerospace applications. Hastelloy C22 flanges provide reliable performance and durability even in extreme cold conditions, making them a preferred choice for cryogenic applications where corrosion resistance and reliability are critical.
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