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Inconel Flanges

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Inconel Flanges

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  1. Inconel Flanges

  2. Introduction to Inconel Flanges Inconel flanges are high-performance components made from nickel-chromium-based alloys, particularly designed for high-temperature and high-corrosion environments. They are widely used in industries such as petrochemicals, power generation, and nuclear energy due to their excellent mechanical properties and resistance to oxidation and corrosion. Inconel flanges ensure reliable connections in critical applications, effectively handling extreme conditions and maintaining structural integrity.

  3. Key Specifications of Inconel Flanges Standard Size Inconel flanges are available in sizes from NPS ½” to 48”, covering 15NB to 1500NB, and pressure ratings from PN 2.5 to PN 400. Melting Range The melting range for Inconel 625 is between 1290 – 1350 °C, while Inconel 600 has a melting range of 1354 – 1413 °C. Wall Thickness Inconel flanges come with various wall thicknesses such as SCH 10, SCH 20, SCH 40, up to SCH 180, accommodating diverse pressure requirements.

  4. Common Types of Inconel Flanges Socket Weld Flanges Designed for high-pressure applications, these flanges are welded to the pipe, providing a strong connection without the need for bolting. Lap Joint Flanges These flanges consist of a stub end and a loose backing flange, allowing for easy alignment and disassembly, commonly used in piping systems. Long Neck Flanges Featuring an extended neck, these flanges are ideal for applications requiring a longer weld area, often used in high-temperature and high-pressure environments.

  5. Manufacturing Process of Alloy 625 Weld Neck Flange Raw Material Selection Heat Treatment & Inspection Chemical Analysis Forging Select high-quality raw materials for Alloy 625 flanges, ensuring they meet specifications for nickel, chromium, and molybdenum content. Perform chemical analysis of the materials to verify compliance with Alloy 625 standards, ensuring correct element proportions. Heat the material to 1010- 1150°C, then shape it under high pressure to form the flange, enhancing mechanical properties. After forging, heat treat the flanges to relieve stresses and improve toughness, followed by rigorous inspection. Material certificates Supplier documentation Chemical analysis report Quality assurance documentation Forged flange prototypes Process monitoring reports Heat treatment logs Inspection certification

  6. Corrosion Resistance Properties Corrosion Resistance Overview Inconel flanges exhibit excellent resistance to a wide range of corrosive environments, including nitric and phosphoric acids, making them ideal for chemical processing applications. ● The flanges maintain integrity in harsh conditions, resisting corrosion from organic acids and sulfuric acid, which are commonly found in industrial processes. ● Inconel 600 and 625 are specifically designed to withstand corrosive attack in seawater environments, ensuring durability and longevity in marine applications. ● These flanges are crucial in petrochemical plants where exposure to aggressive chemicals is frequent, providing reliable sealing solutions. ● Corrosion tests have shown that Inconel 600 flanges can withstand significant corrosion rates, ensuring safety and performance in critical applications. ●

  7. Service Temperatures for Inconel Flanges Inconel 600 Service Temperature Maximum service temperature is 1093°C (2000°F). ● Suitable for applications in high-temperature environments. ● Maintains mechanical properties at elevated temperatures. ● Inconel 625 Service Temperature Maximum service temperature is 982°C (1800°F). ● Effective under a variety of harsh conditions. ● Excellent oxidation resistance at high temperatures. ●

  8. Conclusion and Contact Information • Inconel flanges are essential components in high-performance applications due to their excellent corrosion resistance, high- temperature strength, and durability. • Their applications span critical industries such as petrochemicals, power generation, and nuclear energy, ensuring safety and reliability in challenging environments. • For more information or inquiries about Inconel flanges, please contact Ramesh Steel Corporation directly via email or phone.

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