Incoloy 800HT Flanges Stockists

Incoloy 800HT is a high-performance alloy primarily used in applications that require high-temperature strength and corrosion resistance. This alloy is a part of the nickel-iron-chromium family and is known for its excellent resistance to oxidation, carburization, and nitriding environments. Incoloy 800HT flanges are widely used in industries like petrochemical, chemical processing, power generation, and more.

Key Specifications of Incoloy 800HT Flanges

1. Chemical Composition

Incoloy 800HT has a precise chemical composition designed to provide stability in high-temperature conditions. The typical composition is:

• Nickel (Ni): 30-35%
• Chromium (Cr): 19-23%
• Iron (Fe): 39.5% minimum
• Carbon (C): 0.06-0.10%
• Manganese (Mn): 1.5% maximum
• Silicon (Si): 1.0% maximum
• Copper (Cu): 0.75% maximum
• Aluminum (Al) + Titanium (Ti): 0.85-1.20%

This precise blend of elements enhances the flange’s strength and resistance to corrosive environments.

2. Mechanical Properties

Incoloy 800HT flanges exhibit exceptional mechanical strength and are capable of withstanding high-stress applications. Typical mechanical properties include:

• Tensile Strength: 550 MPa (minimum)
• Yield Strength: 210 MPa (minimum)
• Elongation: 30% (minimum)

These properties make the alloy suitable for high-pressure and high-temperature environments.

3. Temperature Range

Incoloy 800HT is designed for applications up to 1100°C (2012°F). Its unique composition provides stability in these high temperatures, maintaining its mechanical integrity and resistance to oxidation.

4. Corrosion Resistance

Incoloy 800HT flanges provide excellent corrosion resistance, particularly against oxidation and carburization. This makes them ideal for applications in environments where exposure to sulfur and nitrogen compounds is common.

5. Heat Treatment

To enhance its high-temperature capabilities, Incoloy 800HT undergoes specific heat treatments. Solution annealing is often used to optimize the mechanical properties, enabling the alloy to retain stability and strength under cyclic thermal conditions.

Types of Incoloy 800HT Flanges

Incoloy 800HT flanges come in various types to meet different connection requirements:

• Slip-On Flanges: Commonly used for low-pressure applications and easy installation.
• Weld Neck Flanges: Used for high-pressure and high-temperature applications.
• Socket Weld Flanges: Suitable for small-diameter, high-pressure systems.
• Blind Flanges: Used to close the end of a pipe or pressure vessel opening.
• Threaded Flanges: Ideal for low-pressure applications and where welding isn’t possible.

Common Standards and Dimensions

Incoloy 800HT flanges are manufactured to meet international standards to ensure quality and reliability:

• ASME B16.5: Standard for pipe flanges and flanged fittings
• ASTM B564: Specification for nickel alloy forgings, including Incoloy 800HT

Applications

Incoloy 800HT flanges are used in various high-temperature and corrosive environments, such as:

• Chemical processing plants
• Petrochemical industries
• Power generation plants
• Heat exchangers and pressure vessels
• Industrial furnaces
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  INCOLOY 800/800H/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