SA516 GR.70N Stationary Tubesheet For Power Plant Boilers , Heat Exchangers

GR.70N (Grade 70 Normalized) is a designation for carbon steel plates used in pressure vessels and boilers. It falls under the ASTM A516 specification, which covers steels intended for moderate- and lower-temperature service. The "N" indicates that the material has undergone a normalizing heat treatment process, enhancing its mechanical properties and making it more suitable for pressure-containing applications.

SA516 GR.70N Stationary Tubesheets leverage these properties to provide critical support and alignment for tubes in heat exchangers, boilers, and pressure vessels. These tubesheets are widely used in industries such as power generation, chemical processing, petrochemical refining, and oil and gas, ensuring efficient heat transfer and mechanical stability in high-pressure and corrosive environments.

Chemical Composition:

Mechanical Properties:

Key Features:

• High Strength and Toughness: Provides high mechanical strength and toughness, essential for maintaining the structural integrity of heat exchangers and boilers.
• Corrosion Resistance: Good resistance to corrosion and oxidation in various environments.
• Normalizing Treatment: The normalizing heat treatment improves grain structure, enhancing toughness and reducing internal stresses.
• Precision Machining: Typically machined to precise tolerances to ensure proper alignment and secure fit of the tubes.

Applications:

1. Heat Exchangers

• Shell and Tube Heat Exchangers: Used to support and align tubes in shell and tube heat exchangers, facilitating efficient heat transfer between fluids.
• Air-Cooled Heat Exchangers: Employed in air-cooled heat exchangers where mechanical strength and corrosion resistance are essential.

2. Boilers

• Industrial Boilers: Used in industrial boilers to support the tubes and ensure efficient heat transfer and mechanical stability under high temperatures and pressures.
• Power Plant Boilers: Vital component in power plant boilers, supporting tubes that carry steam or water under high pressure.

3. Pressure Vessels

• Chemical Processing Plants: Utilized in pressure vessels within chemical processing plants where high strength and resistance to corrosive chemicals are required.
• Petrochemical Refineries: Essential in pressure vessels and reactors in petrochemical refineries due to its high strength and toughness.

4. Oil and Gas Industry

• Refineries and Petrochemical Plants: Used in various heat exchangers and pressure-containing devices where high strength, toughness, and resistance to corrosion are crucial.