Feb-06-2026
The selection of tube sheet materials directly impacts equipment performance and cost. Commonly used materials include carbon steel, stainless steel, and alloy steel. Carbon steel is inexpensive but has poor corrosion resistance, making it suitable for lo
Feb-06-2026
Tube sheets in marine equipment face demanding operating conditions and require high corrosion resistance to withstand seawater erosion. They are often made of materials such as naval brass or titanium alloys, and are designed with anti-corrosion coatings
Feb-06-2026
The tube sheet, as a core component of the heat exchanger, requires a design that complements the expansion joint in terms of rigidity and flexibility. The tube sheet secures the tube bundle via bolted connections and withstands axial forces under high-te
Feb-06-2026
Non-destructive testing (NDT) techniques for tube sheet surface defects mainly include magnetic particle testing, penetrant testing, and eddy current testing. Magnetic particle testing utilizes the magnetization characteristics of ferromagnetic materials,
Feb-06-2026
Against the backdrop of rapid development in new energy technologies, tube sheets, as a critical structural material, are widely used in solar energy, wind energy, and high-voltage power systems. Their performance directly impacts the stability and safety
Jan-30-2026
Materials and Cleanliness: Tube sheets in biopharmaceutical equipment must be made of 316L stainless steel to ensure corrosion resistance and prevent particle release. The surface must be highly polished to prevent material adhesion, facilitate cleaning a
Jan-30-2026
Material Pre-treatment: Before machining the tube sheet, high-purity steel should be selected and annealed to reduce hardness and improve plasticity. Surface cleaning involves shot blasting and pickling processes to thoroughly remove scale and rust, ensur
Jan-30-2026
Accuracy and Assembly Fundamentals: Tube sheet machining accuracy directly affects assembly quality. For example, errors in tube hole spacing and perpendicularity can lead to loose connections between tubes and the shell, increasing the risk of leakage. H
Jan-30-2026
High-Temperature Environment Applications: Tube sheets are used in the aerospace field to withstand extreme temperatures, such as in aircraft engine heat exchange systems. Their high-temperature resistance ensures structural stability under high-temperatu
Jan-30-2026
Heat Treatment Method: After tube sheet welding, overall or local heat treatment is applied, heating to 550-650℃ and maintaining the temperature, followed by slow cooling to eliminate 60%-80% of residual stress. This method effectively reduces the risk of
Jan-23-2026
Tube sheets in cryogenic equipment must meet low-temperature toughness requirements for materials. Nickel-based alloy steels or austenitic stainless steels are preferred to ensure good impact resistance at extremely low temperatures and prevent the risk o
Jan-23-2026
Optimizing the tube-to-tubesheet expansion process requires attention to material matching and processing precision. Ensure the tubesheet hardness is higher than that of the tubes, and control the tube hole clearance within the range of 0.3 ± 0
Jan-23-2026
Preventing tube sheet vibration fatigue requires addressing the issue from the design stage. Optimizing the tube sheet structure, such as increasing the number of support plates or using a welding and expansion combined process, can improve overall rigidi
Jan-23-2026
Tube sheet surface coating technology is moving towards intelligence and precision. By 2026, real-time monitoring of surface conditions through machine vision and laser scanning, combined with adaptive spraying processes, will achieve uniform coating thic
Jan-23-2026
Tube sheets are a critical component in waste heat recovery systems. As the supporting structure of heat exchangers, they connect and secure the heat exchange tubes, ensuring efficient flow of hot and cold fluids inside and outside the tubes.In applicatio
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