​​Heat Exchanger Bundle ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet ASME VIII Compliant

Yuhong Holding Group Co., Ltd is a world-renowned manufacturer and supplier of industrial equipment, specializing in heat exchangers, fired heaters, air coolers, and related components. With decades of experience and a commitment to quality, we provide high-performance products tailored to the needs of various industries. One of our premier offerings is the ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet Tube Bundle, designed for use in heat exchangers. These tube bundles are manufactured with precision and undergo rigorous testing to ensure maximum reliability in demanding applications.

1. ASME SA179 Chemical Composition and Mechanical Properties

ASME SA179 is a high-quality carbon steel widely used for heat exchanger and condenser tubing due to its excellent thermal conductivity, durability, and corrosion resistance. Its low carbon content ensures superior ductility, making it ideal for U-bending and other manufacturing processes.

Chemical Composition of SA179

Mechanical Properties of SA179

These properties, combined with the material's excellent heat transfer capabilities, make SA179 a preferred choice for heat exchanger tubing.

2. Common Outer Diameter (OD) and Wall Thickness (WT) of Heat Exchanger Tubes

Heat exchanger tubes are manufactured in a variety of sizes to meet specific application requirements. Below is a table showcasing the most common tube dimensions for SA179 U Bend Tubes:

These dimensions ensure flexibility in design while maintaining optimal thermal performance.

3. Testing Requirements for ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet Tube Bundles

To guarantee the quality and performance of our ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet, we perform comprehensive testing on each product. At Yuhong Holding Group, we adhere to stringent industry standards to ensure our products perform flawlessly under the most challenging conditions.

Key Tests Performed

1. Hydrostatic Testing: Verifies the tubes' ability to withstand high pressures without leakage.
2. Penetrant Testing (PT): Ensures the surface of the U bend tubes and welds is free from cracks, pinholes, or other defects.
3. Eddy Current Testing (ECT): Detects any material discontinuities within the tubes.
4. Ultrasonic Testing (UT): Ensures the integrity of the tube material and welds.
5. Dimensional Inspection: Confirms the accuracy of U bends, tube lengths, and wall thickness.
6. Hardness Testing: Ensures the mechanical properties meet ASME SA179 specifications.
7. Visual Inspection: Detects any visible defects or irregularities on the surface of the tubes and tubesheets.

Each tube bundle is supplied with a complete set of test certificates and inspection reports, ensuring full traceability and compliance with customer requirements.

4. Applications of ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet U Bend Tube Bundles

The ASTM A179 U-Bend Tubes+ SA516 Gr.70N Tubesheet are widely used in various industries where efficient heat transfer is critical. Key application areas include:

• Petrochemical Industry: For heat exchangers in refineries and chemical plants.
• Power Generation: Used in condensers, feedwater heaters, and other heat exchangers in power plants.
• Oil and Gas Industry: For offshore and onshore processing systems requiring high-performance heat exchangers.
• HVAC Systems: In refrigeration and air conditioning systems for efficient heat exchange.
• Food and Beverage Industry: For sanitary heat exchangers used in pasteurization and processing.