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Hastelloy C276 is a corrosion-resistant nickel-molybdenum-chromium alloy that exhibits excellent resistance to various corrosive environments. Hastelloy C276 flanges, which are components used to connect pipes or valves, play a crucial role in various industries where corrosion resistance is essential.

Advantages of Hastelloy C276 Flanges:

  1. Corrosion Resistance: The primary advantage of Hastelloy C276 flanges is their exceptional corrosion resistance in various aggressive media, including sulfuric acid, hydrochloric acid, and other corrosive chemicals. This property ensures a longer service life and reduces maintenance costs.
  2. High Temperature Stability: Hastelloy C276 Flanges maintains its mechanical properties at high temperatures, making it suitable for applications in elevated-temperature environments. This is particularly important in industries such as petrochemicals and power generation.
  3. Versatility: Hastelloy C276 Flanges is a versatile alloy that can be used in various applications due to its resistance to reducing and oxidizing environments. This versatility makes it a popular choice across different industries.
  4. Ease of Fabrication: Hastelloy C276 Flanges is easily fabricated, allowing for the production of complex components like flanges. This ease of fabrication contributes to cost-effectiveness and efficient manufacturing processes.
  5. Low Maintenance: With its resistance to corrosion and high-temperature stability, Hastelloy C276 flanges require minimal maintenance. This can result in reduced downtime and increased operational efficiency for industrial processes.

Chemical Composition of Hastelloy C276 Flanges:

Dive into the corrosion-resistant excellence of Hastelloy C276 flanges with a detailed chemical composition table overview.

Nominal Chemical Composition of Hastelloy C276 Flanges, %


Hastelloy C276 flanges exhibit a robust chemical composition, ensuring corrosion resistance and reliability in diverse applications.

Hastelloy C276 Flanges are known for their exceptional performance in harsh chemical and corrosive environments. Various types of Hastelloy C276 flanges are available to meet specific industrial requirements.

Types of Hastelloy C276 Flanges:

  1. Hastelloy C276 Weld Neck Flanges (WN): These flanges are designed with a tapered hub to provide excellent reinforcement and weldability. They are commonly used in high-pressure applications.
  2. Hastelloy C276 Slip-On Flanges (SO): These flanges are slightly larger than the pipe, allowing them to slip over the pipe. They are easy to align and are suitable for low-pressure applications.
  3. Hastelloy C276 Blind Flanges (BL): Blind flanges are solid discs that block a pipe's end. They are commonly used to close off pipelines and vessels.
  4. Hastelloy C276 Socket Weld Flanges (SW): These flanges have a socket that welds to the pipe, providing good strength and flow characteristics. They are suitable for high-pressure and temperature applications.
  5. Hastelloy C276 Threaded Flanges (TH): Threaded flanges have tapered threads on the bore, allowing them to be connected to threaded pipes without welding. They are suitable for low-pressure applications.
  6. Hastelloy C276 Lap Joint Flanges (LJ): These flanges are used with a stub end, facilitating easy dismantling and alignment. They are suitable for applications with frequent changes or maintenance.

Hastelloy C276 flanges are chosen for their resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for demanding industrial environments, such as chemical processing, pollution control, and offshore oil and gas exploration.

Mechanical Properties of Hastelloy C276 Flanges:

Uncover the strength and durability of Hastelloy C276 flanges through a detailed mechanical properties table overview.

ElementDensityYield Strength (0.2%Offset)ElongationMelting PointTensile Strength
Hastelloy C276 Flanges8.89 g/cm3Psi – 52,000 , MPa – 35540 %1370 °C (2500 °F)Psi – 1,15,000 , MPa – 790

Hastelloy C276 flanges showcase exceptional mechanical properties, guaranteeing longevity, strength, and reliability in various industrial applications.

Physical Properties of Hastelloy C276 Flanges:

Dive into the foundational characteristics of Hastelloy C276 flanges with an insightful physical properties table overview.


Melting Range

Specific Heat

Magnetic Permeability

lb/in3g/cm3°F°CBtu/lb.°FJ/kg*°C200 oersted15.9 kA/m

Hastelloy C276 flanges feature outstanding physical properties, ensuring suitability for diverse applications with enduring reliability.

Applications of Hastelloy C276 Flanges:

  1. Chemical Processing Industry: Hastelloy C276 flanges are widely used in chemical processing plants where aggressive chemicals and corrosive materials are handled. They provide reliable and durable connections in the presence of acids, chlorides, and other harsh chemicals.
  2. Oil and Gas Industry: Hastelloy C276 flanges are employed in critical applications such as oil refining, gas processing, and petrochemical manufacturing in the oil and gas sector. They withstand the corrosive effects of sulfur compounds and acidic environments found in these processes.
  3. Pulp and Paper Industry: Hastelloy C276 flanges are utilized in the pulp and paper industry for applications involving bleaching chemicals, chlorinated water, and other corrosive substances. The alloy's resistance to pitting, crevice corrosion, and stress corrosion cracking makes it suitable for these environments.
  4. Pharmaceutical Industry: In pharmaceutical manufacturing, where stringent quality standards are maintained, Hastelloy C276 flanges find applications due to their resistance to corrosion in pharmaceutical processing and handling of various chemicals used in drug production.
  5. Desalination Plants: Hastelloy C276 flanges are employed in desalination plants, where seawater corrosion is a significant challenge. The alloy's ability to resist corrosion in chloride-rich environments makes it an ideal choice for ensuring the longevity and reliability of connections in desalination systems.
  6. Power Generation: In power generation facilities, particularly fossil fuels, Hastelloy C276 flanges are utilized in critical areas like flue gas desulfurization systems. The alloy's resistance to sulfur compounds and high-temperature corrosion makes it suitable for such applications.

FAQ's for Hastelloy C276 Flanges

Hastelloy C2000 Washer Starts At Rs 11/Piece To Rs 15/Piece

The HSN Code for Hastelloy C2000 Washer is 73079990. #HSNCode #HastelloyC2000Washer

No, Hastelloy C2000 Washers are non-magnetic and have excellent resistance to corrosion.

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