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Hastelloy C276 is a nickel-molybdenum-chromium superalloy known for its exceptional corrosion resistance in various aggressive environments. This versatile alloy is commonly used in various industries, including chemical processing, petrochemicals, pollution control, pulp and paper, and waste treatment. Hastelloy C276 pipe fittings play a crucial role in ensuring the integrity and reliability of piping systems in these demanding applications.

Hastelloy C276 comprises nickel, molybdenum, chromium, iron, and other trace elements. Its unique combination of alloying elements provides remarkable resistance to corrosion, pitting, stress corrosion cracking, and crevice corrosion. The alloy exhibits high mechanical strength and excellent fabricability, making it suitable for various applications.

Manufacturing of Hastelloy C276 Pipe Fittings:

Hastelloy C276 pipe fittings are manufactured through various processes, including forging, machining, and welding. Forging is a common method to shape the fittings, ensuring high strength and uniformity. Machining is employed to achieve precise dimensions, and welding is used to join different components, creating complex fittings.

Chemical Composition of Hastelloy C276 Pipe Fittings:

Explore the corrosion-resistant excellence of Hastelloy C276 pipe fittings through a comprehensive chemical composition table overview.

GradeCMnSiSCoNiCrFeMoP
C2760.010 max1.00 max0.08 max0.03 max2.50 max50.99 min*14.50 – 16.504.00 – 7.0015.00 – 17.000.04 max

Hastelloy C276 pipe fittings showcase a robust chemical composition, delivering corrosion resistance and reliability in applications.

Properties of Hastelloy C276 Pipe Fittings:

Hastelloy C276 pipe fittings possess mechanical, thermal, and corrosion-resistant properties that make them suitable for demanding applications across various industries. Here are some key properties of Hastelloy C276 pipe fittings:

  1. Corrosion Resistance: One of the most notable properties of Hastelloy C276 Buttweld Fitting is its outstanding corrosion resistance. It is resistant to a wide range of corrosive media, including strong oxidizing agents, reducing acids, and harsh environments with high chloride concentrations. Hastelloy C276 Buttweld Pipe Fitting exhibits excellent resistance to pitting and crevice corrosion, making it suitable for applications where localized corrosion is a concern.
  2. High-Temperature Stability: Hastelloy C276 Buttweld Pipe Fitting retains its mechanical properties at elevated temperatures, making it suitable for applications involving high temperatures and thermal cycling.
  3. Thermal Expansion: The alloy has a low coefficient of thermal expansion, minimizing the risk of thermal stress and fatigue in piping systems.
  4. Non-Magnetic: Hastelloy C276 Pipe Fitting is non-magnetic in all conditions, making it suitable for applications with undesirable magnetic properties, such as in certain electronic and medical equipment.
  5. Ease of Maintenance: The corrosion resistance and durability of Hastelloy C276 Pipe Fittings contribute to low maintenance requirements, reducing the need for frequent inspections and repairs in corrosive environments.
  6. Long-Term Durability: Due to its corrosion resistance and mechanical properties, Hastelloy C276 pipe fittings offer long-term durability, reducing the likelihood of premature failure and the need for frequent replacements.

Mechanical Properties of Hastelloy C276 Pipe Fittings:

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

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
C2768.89 g/cm31370 °C (2500 °F)Psi – 1,15,000 , MPa – 790Psi – 52,000 , MPa – 35540 %

 

Hastelloy C276 pipe fittings exhibit exceptional mechanical properties, ensuring longevity and reliability in diverse industrial applications.

Types of Hastelloy C276 Pipe Fittings:

  1. Elbows and Bends: Elbows are pipe fittings used to change the flow direction in a piping system. Hastelloy C276 elbows are designed to maintain the corrosion-resistant properties of the alloy while ensuring fluid flow efficiency.
  2. Tees: Tees are used to branch off a pipeline, and Hastelloy C276 tees provide a corrosion-resistant solution for diverse applications. They are available in equal and unequal configurations to accommodate specific requirements.
  3. Reducers: Reducers are fittings that connect pipes of different diameters, facilitating a smooth transition in fluid flow. Hastelloy C276 reducers maintain the alloy's corrosion resistance, ensuring the integrity of the entire piping system.
  4. Caps and Plugs: Caps and plugs are used to close the pipes' ends, preventing fluid leakage. Hastelloy C276 caps and plugs offer corrosion resistance and durability in extreme environments.
  5. Crosses: Cross fittings provide a four-way connection in a piping system. Hastelloy C276 crosses are designed to withstand corrosive conditions while maintaining structural integrity.

Physical Properties of Hastelloy C276 Pipe Fittings:

Explore the foundational characteristics of Hastelloy C276 pipe fittings through an insightful physical properties table overview.

Density

lb/in³0.321
g/cm³8.89

Specific Heat

Btu/lb•°F0.102
J/kg•°C427

Melting Range

°F2415-2500
°C1325-1370

Thermal Conductivity

Btu•in/ft²•h•°F67.9
W/m•°C427

Young's Modulus

103 ksi29.8
GPa205

Shear Modulus

103 ksi11.4
GPa79

Permeability

200 oersted (15.9 kA/m)1.0002

Poisson's Ratio

 0.307

Hastelloy C276 pipe fittings boast outstanding physical properties, ensuring suitability for diverse applications with enduring reliability.

Applications of Hastelloy C276 Pipe Fittings:

  1. Chemical Processing: Hastelloy C276 pipe fittings are widely used in chemical processing plants where corrosive chemicals and harsh environments are prevalent. The alloy's resistance to corrosion makes it an ideal choice for critical components in these facilities.
  2. Petrochemical Industry: In the petrochemical industry, where exposure to aggressive substances is common, Hastelloy C276 pipe fittings are employed to ensure the longevity and reliability of piping systems.
  3. Pollution Control: Pollution control facilities dealing with corrosive gases and liquids utilize Hastelloy C276 pipe fittings to combat corrosion and maintain operational efficiency.
  4. Pulp and Paper Industry: The pulp and paper industry often deals with corrosive chemicals in production. Hastelloy C276 pipe fittings are chosen for their resistance to corrosion and longevity in such demanding applications.
  5. Waste Treatment Plants: Waste treatment plants require materials that can withstand the corrosive nature of various waste streams. Hastelloy C276 pipe fittings play a vital role in ensuring the durability of piping systems in these facilities.

Hastelloy C276 pipe fittings are essential components in industries where corrosion resistance is paramount. Their ability to withstand harsh environments and aggressive chemicals makes them a reliable choice for critical applications. Whether in chemical processing, petrochemical, pollution control, pulp, and paper, or waste treatment, the use of Hastelloy C276 pipe fittings contributes to piping systems' overall efficiency and longevity in challenging conditions.

FAQ's for Hastelloy C276 Pipe Fittings

Hastelloy C276 Pipe Fittings Start From Rs. 120/Kilogram To Rs. 400/Kilogram

Yes, Hastelloy C276 Pipe Fittings are highly corrosion resistant due to its alloying elements nickel, molybdenum, and chromium. It's resistant to both oxidizing and reducing environments, making it suitable for harsh chemical and corrosive applications. They are also resistant to localized corrosion, including pitting, crevice corrosion and stress corrosion cracking.

Hastelloy C276 is a corrosion-resistant alloy, and it is highly resistant to rust. The alloying elements nickel, molybdenum, and chromium provide excellent resistance to both oxidizing and reducing environments. However, it is important to note that any material can rust if the conditions are severe enough, and if the alloy is not properly maintained or protected.

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