180 Degree Return Bend ASTM B366 N08810 Nicekl Alloy U Bend For Heat Exchanger​

What is 180 degree return bend?

A 180-degree return bend is a type of pipe fitting that allows a pipeline to change direction by 180 degrees. It is also known as a U-bend due to its shape, which resembles the letter "U". The 180-degree return bend is commonly used in piping systems where the flow direction needs to be reversed, such as in heating, ventilation, and air conditioning (HVAC) systems, and industrial process piping.

The 180-degree return bend is made by bending a straight pipe at a specific radius using specialized equipment. The bend is typically made using a mandrel or a forming tool to ensure that the bend angle and radius are precise and consistent. The two legs of the U-bend are generally of equal length.

The 180-degree return bend is available in a range of materials, including carbon steel, stainless steel, and other alloys. They also come in different sizes and thicknesses to meet specific piping requirements. The fittings are often welded to the pipes using a welding process, such as TIG or MIG welding, to ensure a strong and leak-free joint.

The advantageS of YuHong’s 180 degree Retuen Bend

1. Smooth Flow: The U-bend design of the 180-degree return bend allows for a smooth and uninterrupted flow of fluids, which minimizes turbulence and pressure drop. This can help to improve the efficiency of the piping system.

2. Space-Saving: The 180-degree return bend can help to save space in piping systems since it allows the pipe to change direction without the need for additional fittings. This is particularly useful in applications where space is limited.

3. Reduced Installation Costs: The installation of a 180-degree return bend requires less labor and fewer fittings than other types of fittings. This can help to reduce installation costs and improve the overall efficiency of the installation process.

4. Reduced Maintenance Costs: Since the 180-degree return bend has fewer fittings than other types of fittings, it requires less maintenance. This can help to reduce maintenance costs and improve the overall reliability of the piping system.

5. Improved Long-Term Performance: The 180-degree return bend is less susceptible to leaks and failures than other types of fittings. This can help to improve the long-term performance of the piping system and reduce the risk of costly downtime and repairs.

Overall, the 180-degree return bend offers several advantages that make it a popular choice for a wide range of piping applications.

The chemical composition of ASTM B366 N08810

- Nickel (Ni): 30.0-35.0%
- Iron (Fe): 39.5% min.
- Chromium (Cr): 19.0-23.0%
- Manganese (Mn): 1.5% max.
- Copper (Cu): 0.75% max.
- Silicon (Si): 1.0% max.
- Carbon (C): 0.05-0.1%
- Aluminum (Al): 0.15-0.60%
- Titanium (Ti): 0.15-0.60%
- Sulfur (S): 0.015% max.
- Phosphorus (P): 0.03% max.

The addition of titanium and aluminum in this alloy provides it with excellent resistance to corrosion, particularly in high-temperature environments. It is commonly used in chemical processing, power generation, and other high-temperature applications.

The mechanical properties of ASTM B366 N08810

1. Tensile Strength: ≥ 450 MPa (65 ksi).
2. Yield Strength: ≥170 MPa (25 ksi).
3. Elongation: ≥ 30%.
4. Hardness:≥217 Brinell (HB).

These mechanical properties make ASTM B366 N08810 ideal for use in high-temperature and high-pressure applications where excellent corrosion resistance and reliable mechanical strength are required. The alloy is also known for its excellent resistance to oxidation, carburization, and nitriding.

The main applications of YuHong’s 180 Degree Return Bend

1. HVAC Systems: They are used in HVAC systems to redirect the flow of air and heat around corners or to connect different ductwork sections.

2. Gas and Oil Industry: 180-degree return bends are used in the gas and oil industry to redirect fluids around corners or in applications that require the flow of fluid to change direction.

3. Chemical Processing: They are used in chemical processing plants in a wide range of applications where flow direction needs to be changed and where there may be a risk of corrosion or chemical attack.

4. Power Generation: 180-degree return bends are used in power plants to redirect steam and other fluids around corners or change direction as required by the system design.

5. Food and Beverage: They are used in food and beverage production for the redirection of fluid and movement of piping around corners.