Incoloy 800HT Flanges Exporters

Incoloy 800HT Flanges

Introduction

Incoloy 800HT, a high-performance nickel-iron-chromium alloy, is widely known for its excellent strength and resistance to oxidation, carburization, and corrosion at elevated temperatures. One of the key applications of Incoloy 800HT is in the production of flanges, essential components used in piping systems to connect valves, pipes, and other equipment. These flanges are designed to withstand high-temperature environments, making them an ideal choice for industries like chemical processing, power generation, and petrochemical.

What is Incoloy 800HT?

Incoloy 800HT (UNS N08811) is a nickel-iron-chromium alloy specifically designed to offer superior mechanical properties at elevated temperatures, typically above 600°C (1112°F). It is a higher version of Incoloy 800 and 800H, containing controlled amounts of carbon, aluminum, and titanium to enhance creep and rupture strength. This alloy’s unique composition provides exceptional resistance to oxidation and corrosion in environments subjected to prolonged exposure to extreme heat and aggressive chemicals.

What Are Flanges?

Flanges are mechanical components used to join pipes, valves, pumps, and other equipment within a piping system. They play a crucial role in providing easy access for inspection, modification, and cleaning of the system. Flanges are typically bolted together and sealed with gaskets to prevent leaks. Incoloy 800HT flanges are specially designed to maintain their strength and structural integrity in harsh environments involving high temperatures, thermal cycling, and corrosive substances.

Key Properties of Incoloy 800HT Flanges

Incoloy 800HT flanges exhibit several key properties that make them ideal for high-temperature applications, including:

1. High-Temperature Strength: Incoloy 800HT maintains excellent tensile and creep-rupture properties even at temperatures above 650°C (1200°F), making it suitable for use in extreme heat conditions.
2. Oxidation Resistance: The high chromium content in Incoloy 800HT enhances its resistance to oxidation, preventing scaling and maintaining the structural integrity of the flanges in oxygen-rich environments.
3. Corrosion Resistance: Incoloy 800HT flanges are highly resistant to sulfuric, phosphoric, and nitric acid, as well as other aggressive chemicals, making them ideal for petrochemical and chemical processing applications.
4. Creep and Rupture Strength: The alloy’s controlled addition of aluminum, carbon, and titanium enhances its resistance to creep deformation and rupture under stress, which is critical in applications involving high pressures and prolonged exposure to high temperatures.
5. Thermal Stability: Incoloy 800HT flanges exhibit excellent thermal stability, allowing them to retain their mechanical properties over long periods, even when subjected to cyclic heating and cooling.

INCOLOY 800HT ANSI B16.5 / B16.47 FLANGES SPECIFICATION :

• Standard : ASTM, ASME, ANSI, JIS, DIN, BSNA 11, EN Ni 99.2, JIS NW 2200, GOST-НП-2
• Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
• Designation : ASTM / ASME B 564 / SB 564
• Class : Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500 & Class 2500
• Size : 1/2″NB TO 60″NB
• Grades : Incoloy 800 (UNS N08800) Flanges, 2.4876
• Pressure : DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160

Benefits of Using Incoloy 800HT Flanges

1. Enhanced Durability: Due to their excellent resistance to high-temperature corrosion and oxidation, Incoloy 800HT flanges last longer in harsh environments compared to standard alloys.
2. High-Temperature Performance: The ability to maintain strength and structural integrity at temperatures exceeding 650°C makes these flanges ideal for high-temperature applications, such as furnace components, heat exchangers, and superheaters.
3. Corrosion Resistance: Incoloy 800HT’s superior corrosion resistance ensures that the flanges can withstand exposure to aggressive chemicals, reducing the need for frequent replacements.
4. Low Maintenance: Thanks to their superior durability and resistance to wear, flanges made from Incoloy 800HT require minimal maintenance, leading to cost savings over the lifetime of the equipment.
5. Versatility: Incoloy 800HT flanges can be used in a wide range of industries, including chemical processing, power generation, nuclear engineering, and petrochemical industries, due to their combination of high strength and corrosion resistance.
6. Customizability: These flanges are available in various types and pressure ratings, making them suitable for a wide range of piping systems.

Applications of Incoloy 800HT Flanges

Incoloy 800HT flanges are widely used in industries where high temperature, corrosion, and pressure resistance are crucial. Key applications include:

• Chemical Processing Plants: For equipment such as reactors, heat exchangers, and piping systems handling aggressive chemicals and high temperatures.
• Petrochemical Industry: In applications involving high-pressure piping systems and reactors that operate under extreme temperatures and corrosive environments.
• Power Generation: Used in turbines, boilers, and heat recovery steam generators where temperature stability and resistance to oxidation are essential.
• Aerospace: In jet engines and turbines, where high strength and heat resistance are required.
• Nuclear Engineering: In reactor systems and fuel handling equipment, where high performance in challenging conditions is needed.

Conclusion

Incoloy 800HT flanges represent a critical component for industries that operate in high-temperature and corrosive environments. Their excellent mechanical properties, corrosion resistance, and ability to maintain strength at elevated temperatures make them indispensable in sectors like chemical processing, petrochemical, and power generation. With numerous benefits such as high durability, reduced maintenance costs, and customizability, Incoloy 800HT flanges ensure reliability and performance, making them an optimal choice for demanding applications.

Investing in Incoloy 800HT flanges ensures longevity, safety, and efficiency in any system that requires high-performance materials to withstand extreme conditions.

For More Information:

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