Description of Hastelloy C-276 Flanges

Hastelloy C-276 is a nickel-molybdenum-chromium alloy known for its exceptional corrosion resistance in a wide range of aggressive environments. Hastelloy C-276 Flanges, specifically, are integral components used in piping systems to connect pipes, valves, and other equipment. These flanges are designed to provide a secure and leak-free connection, while also offering the same high level of corrosion resistance as the base alloy.

Hastelloy C-276 Flanges are manufactured using a variety of processes, including forging, machining, and welding. The flanges are typically produced in accordance with industry standards such as ASME B16.5 or ASME B16.47, which define the dimensions, materials, and testing requirements. The choice of flange type and size depends on the specific application and the pressure and temperature conditions it will be subjected to. Hastelloy C-276 Flanges are equivalent to Alloy C-276 Flanges, EN 2.4819 Flanges, NiMo16Cr15W Flanges, and N10276 Flanges.

One of the key features of Alloy C-276 Flanges is their excellent resistance to corrosion. The alloy contains a high percentage of nickel, which provides resistance to various corrosive environments, including oxidizing and reducing acids. Additionally, the presence of molybdenum and chromium enhances the alloy's resistance to pitting, crevice corrosion, and stress corrosion cracking. These properties make ANSI B16.5 Hastelloy C-276 Flanges highly suitable for applications in chemical processing, pollution control, and other industries where corrosive substances are handled.

ASME B16.5 Hastelloy C-276 Flanges come in different types to accommodate specific connection requirements. The most common types include slip-on flanges, weld neck flanges, blind flanges, and socket weld flanges. Each type has its own unique design and features. For example, slip-on flanges are easy to install and suitable for low-pressure applications, while weld neck flanges provide a strong connection and are ideal for high-pressure and high-temperature conditions.

To ensure the integrity and reliability of ASTM B564 Hastelloy C-276 Flanges, they undergo rigorous testing and inspection procedures. These include visual examination, dimensional checks, and non-destructive testing methods such as ultrasonic or dye penetrant inspection. The flanges are also subjected to hydrostatic or pneumatic pressure testing to verify their ability to withstand the intended operating conditions.

In terms of compatibility, ASME SB564 Hastelloy C-276 Flanges can be used with pipes and fittings made of the same alloy or other compatible materials such as stainless steel or carbon steel. The flanges are typically joined to the pipes using welding techniques, ensuring a strong and leak-free connection. However, it is important to consider the galvanic compatibility of different metals to prevent galvanic corrosion.

Hastelloy C-276 Flanges offer exceptional corrosion resistance and mechanical strength, making them a preferred choice for demanding applications in various industries. Their design versatility, coupled with stringent quality control measures, ensures reliable and long-lasting performance in corrosive environments.

Hastelloy Nickel C-276 Flanges are available in a range of sizes and pressure ratings to suit different application requirements. The dimensions and specifications of the flanges are standardized to ensure interchangeability and compatibility across various systems. Common sizes for Hastelloy C-276 Flanges range from 1/2 inch to 24 inches, with pressure ratings ranging from 150 pounds per square inch (psi) to 2500 psi.

In terms of design, Nickel Hastelloy C-276 Flanges exhibit a sturdy and robust construction. They are typically made from solid blocks of Hastelloy C-276 alloy through a process known as forging. This forging process involves shaping the heated alloy by applying pressure, resulting in a dense and uniform structure. The forged flanges possess excellent mechanical properties, including high tensile strength and impact resistance, which contribute to their overall durability and reliability.

Machining is another crucial step in the production of Hastelloy C-276 Nickel Flanges. After forging, the flanges undergo precision machining to achieve the required dimensions, smooth surfaces, and accurate tolerances. Machining processes such as turning, milling, and drilling are employed to create the flange's final shape and features, including bolt holes and sealing surfaces.

Welding is an integral part of Hastelloy C-276 flange fabrication. The flanges are often welded to pipes or other components to create a secure and leak-tight connection. Various welding techniques can be used, including tungsten inert gas (TIG) welding, shielded metal arc welding (SMAW), and gas metal arc welding (GMAW). These methods ensure a strong metallurgical bond between the flange and the adjoining parts, maintaining the overall integrity of the system.

To enhance the corrosion resistance of ASME SB564 Hastelloy C-276 Flanges, they can be further treated with surface coatings or finishes. For instance, applying a corrosion-resistant coating such as PTFE (polytetrafluoroethylene) or a ceramic-based coating can provide additional protection against chemical attack or abrasive substances. These coatings also help reduce friction and improve the flange's resistance to wear and galling.

In applications where a sealed joint is essential, gaskets are used in conjunction with ASTM B564 Hastelloy C-276 Flanges. These gaskets, commonly made of materials like graphite or PTFE, help create a tight seal between flange faces, preventing leakage. The gaskets are selected based on the operating conditions, temperature, and pressure of the system to ensure optimal performance and compatibility with Hastelloy C-276.

ASME B16.5 Hastelloy C-276 Flanges are critical components in piping systems that require exceptional corrosion resistance and reliability. Their precise manufacturing processes, coupled with the inherent properties of the Hastelloy C-276 alloy, make them suitable for challenging environments such as chemical processing plants, oil and gas refineries, and marine applications. These flanges play a vital role in ensuring the safe and efficient operation of industrial systems while mitigating the risks associated with corrosion and leaks.

ANSI B16.5 Hastelloy C-276 Flanges exhibit excellent temperature resistance, allowing them to withstand high temperatures without compromising their mechanical properties or corrosion resistance. The alloy can operate reliably in environments ranging from cryogenic temperatures up to 1,900 degrees Fahrenheit (1,037 degrees Celsius). This wide temperature range makes Hastelloy C-276 Flanges suitable for applications where extreme temperature variations or sustained high temperatures are encountered, such as in chemical reactors or heat exchangers.

EN 2.4819 Flanges are highly regarded for their exceptional corrosion resistance, temperature stability, and mechanical strength. Their robust construction, precise manufacturing processes, and adherence to industry standards make them reliable components in critical applications where protection against corrosion and leakage is paramount. Whether in chemical processing, oil and gas, or other industries, Hastelloy C-276 Flanges provide a durable and long-lasting solution for connecting and sealing piping systems.

Alloy C-276 Flanges offer not only excellent corrosion resistance but also notable resistance to localized corrosion, including pitting and crevice corrosion. This makes them particularly suitable for applications where the fluid or environment may create conditions conducive to corrosion in confined spaces or at points of discontinuity, such as flange joints or gasket interfaces.

The mechanical properties of Hastelloy C-276 Flanges contribute to their reliability and durability. They possess a high yield strength and tensile strength, allowing them to withstand high-pressure conditions without deformation or failure. The alloy also exhibits good ductility, which facilitates easy forming and shaping during the manufacturing process. These mechanical characteristics make Hastelloy C-276 Flanges well-suited for demanding applications requiring both strength and corrosion resistance.

DIN NiMo16Cr15W Flanges can be used in a variety of media, including corrosive gases, liquids, and multiphase flows. They are resistant to a wide range of chemicals, such as sulfuric acid, hydrochloric acid, acetic acid, phosphoric acid, and organic acids. Additionally, they can withstand exposure to chloride-containing environments, making them suitable for applications in coastal areas or where saltwater is present.

Proper installation of ASTM B564 Hastelloy C-276 Flanges is crucial for ensuring their integrity and performance. Following industry best practices and guidelines, such as tightening the bolts to the recommended torque, helps achieve a secure and leak-free joint. Additionally, using compatible gasket materials and lubricants that are resistant to the process conditions and media is essential to maintain the flange's integrity over time.

ASME B16.5 Hastelloy C-276 Flanges are highly regarded for their outstanding corrosion resistance, mechanical properties, and versatility in a wide range of corrosive environments. Their ability to withstand high temperatures, resistance to localized corrosion, and compatibility with various media make them a reliable choice for critical applications in industries such as chemical processing, oil and gas, pulp and paper, and wastewater treatment.

ANSI B16.5 Hastelloy C-276 Flanges offer exceptional resistance to both uniform and localized corrosion in highly aggressive environments. They can withstand attack from a wide range of chemicals, including oxidizing and reducing acids, chlorides, sulfur compounds, and harsh alkaline solutions. This corrosion resistance extends to both hot and cold process streams, making Hastelloy C-276 Flanges suitable for applications involving temperature fluctuations or thermal cycling.

ANSI B16.5 Hastelloy C-276 Flanges have excellent weldability, allowing for the fabrication of complex piping systems and the joining of different components. Welding techniques such as TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas) can be employed to create strong and reliable weld joints. Proper welding procedures and the use of appropriate filler materials ensure the integrity and corrosion resistance of the welds, maintaining the overall performance of the flanges.

In applications where the risk of stress corrosion cracking (SCC) is a concern, ASME B16.5 Hastelloy C-276 Flanges are a preferred choice. The alloy's resistance to SCC, combined with its overall corrosion resistance, makes it suitable for environments where both corrosion and mechanical stress can contribute to cracking, such as in chloride-rich solutions or acidic environments.

ASTM B564 Hastelloy C-276 Flanges are also known for their resistance to erosion and wear caused by high-velocity fluid flow or solid particles suspended in the process stream. This makes them well-suited for applications involving abrasive media or turbulent flow conditions, such as in slurry handling, mining, or desalination processes.

ASME SB564 The unique combination of properties in Hastelloy C-276 Flanges allows for extended service life and reduced maintenance requirements. Their corrosion resistance reduces the need for frequent replacements or repairs, resulting in cost savings and enhanced operational efficiency. Furthermore, the alloy's resistance to fouling and scaling minimizes the risk of flow restrictions and helps maintain optimal system performance.

To ensure the quality and performance of Alloy C-276 Flanges, it is essential to source them from reputable manufacturers who adhere to stringent quality control standards. Certifications and compliance with industry specifications, such as ISO 9001 and ASME, provide assurance of the flanges' reliability and conformity to established requirements.

Hastelloy C-276 Flanges find numerous applications across various industries due to their exceptional corrosion resistance and mechanical properties. Here are some common applications where Hastelloy C-276 Flanges are widely used:

• Chemical Processing: Hastelloy C-276 Alloy Flanges are extensively utilized in the chemical industry, where they encounter highly corrosive chemicals, acids, and solvents. They are employed in chemical reactors, distillation columns, storage tanks, and piping systems, providing reliable connections and protection against corrosion in the presence of aggressive substances.
• Oil and Gas: In the oil and gas industry, Nickel Hastelloy C-276 Flanges are employed in upstream, midstream, and downstream operations. They are utilized in offshore and onshore platforms, refineries, pipelines, and petrochemical plants. These flanges withstand the corrosive effects of sour gas, acidic crude oils, brine solutions, and other aggressive environments encountered in exploration, production, and processing operations.
• Pollution Control: Hastelloy C-276 Nickel Flanges play a critical role in pollution control systems, including scrubbers, stack liners, and exhaust gas handling equipment. These systems often encounter acidic or alkaline gases, corrosive fumes, and high-temperature conditions. The corrosion resistance of Hastelloy C-276 Flanges ensures long-lasting performance and prevents environmental contamination.
• Pharmaceutical Industry: The pharmaceutical industry requires materials that can withstand the highly corrosive and stringent cleaning procedures involved in drug manufacturing. ASME B16.5 Hastelloy C-276 Flanges find applications in reactors, vessels, and piping systems for handling acids, solvents, and high-purity fluids, ensuring product integrity and maintaining hygienic conditions.
• Desalination Plants: ANSI B16.5 Hastelloy C-276 Flanges are utilized in desalination plants where seawater is converted into fresh water. These flanges withstand the aggressive and corrosive nature of seawater, brine, and the high-temperature conditions encountered during the desalination process. They are used in heat exchangers, pumps, and piping systems to ensure efficient and reliable operation.
• Pulp and Paper Industry: ASTM B564 Hastelloy C-276 Flanges are well-suited for the pulp and paper industry, where they are utilized in various equipment and processes involving corrosive chemicals, bleaching agents, and high-temperature conditions. They find applications in digesters, evaporators, caustic recovery systems, and chemical recovery units, providing long-lasting performance and reducing maintenance needs.
• Aerospace and Defense: ASME SB564 Hastelloy C-276 Flanges are utilized in aerospace and defense applications where corrosion resistance and reliability are crucial. They find applications in aircraft fuel systems, missile components, chemical processing in defense equipment, and marine environments. The exceptional resistance of these flanges to corrosive elements ensures the integrity and longevity of critical systems.
• Waste Treatment Facilities: N10276 Flanges are employed in waste treatment facilities, including wastewater treatment plants and landfill leachate treatment systems. These flanges withstand the aggressive chemicals, acids, and corrosive environments involved in waste processing and treatment, ensuring efficient and reliable operations.
• Overall, the versatility and corrosion resistance of Hastelloy C-276 Flanges make them suitable for a wide range of industries and applications. Their ability to withstand highly corrosive and demanding environments ensures the reliability, safety, and longevity of critical equipment and systems.

Hastelloy C-276 Flanges are highly regarded for their exceptional corrosion resistance, weldability, and resistance to stress corrosion cracking and erosion. These properties make them suitable for a wide range of industries, including chemical processing, oil and gas, power generation, and marine applications. By choosing Hastelloy C-276 Flanges, operators can ensure reliable and durable performance in challenging and corrosive environments, leading to increased operational efficiency and extended equipment lifespan.

Raykam Alloys LLP is a reputed supplier, stockist and exporter of Hastelloy C-276 Flanges from Mumbai, India. We keep ready-stocks of a wide range of sizes and dimensions to ensure timely deliveries. Our manufacturing facility is up to date with latest machinery and timely maintainance. Our products undergo strict quality check procedures and technology driven stock maintainance protocols. All our materials come with a Test Certificate and Inspection Sticker to ensure only superior quality materials are delivered to our prestigious customers.