Serrated Finned Tubes ASME SA192 Carbon Steel Base Tube And CS Fins For Economizer
ASTM A192 / ASME SA192 covers minimum-wall thickness, seamless carbon steel boiler and superheater tubes for highpressure service.
Chemical Composition (%)
| Grade | C | Mn | P | S | Si |
| SA192 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| 47ksi (325 MPa) | 26ksi (180 MPa) |
| SA192 | Elongation min. % | Hardness |
| 35% | 137 HB, 77HRB |
Definition
For serrated finned tubes, tube and fin materials may be carbon, stainless steel, copper, ferritic alloy or austenitic alloy steel and can be of similar or dissimilar material combinations.The choice of material depends on the specific application requirements, such as corrosion resistance, thermal conductivity, and mechanical strength.The serrations can be in various shapes, such as U-shaped or V-shaped, which help in disrupting the boundary layer and promoting turbulent flow, thereby enhancing heat transfer efficiency.
Advantages
Serrated spiral finned tubes are important parts to enhance the efficiency of heat transfer, the combination of serrated fins and spiral configurations maximizes heat transfer while maintaining structural integrity.
Depending on the material used, serrated finned tubes can offer good resistance to corrosion, making them suitable for harsh environments.
The installation is simple and economical.It is easy to maintain and has long lifespan. After the installation of high frequency welding spiral fin tube, it is no longer necessary to maintain.
Application
*Heat exchangers, boilers, furnaces and refineries: Ideal for use in various types of heat exchangers, including oil coolers, condensers, and evaporators.
*Power Generation: Commonly used in power plants for efficient heat recovery and steam generation.
*HVAC Systems: Utilized in heating, ventilation, and air conditioning systems to improve energy efficiency.
*Chemical Processing: Employed in reactors and heat exchangers where optimal thermal performance is critical.
Totally, serrated finned tubes are used in various industries where efficient heat transfer is crucial. This includes applications in boilers, heat exchangers, air preheaters, and waste heat recovery systems. They are particularly useful in environments with high temperatures and corrosive atmospheres.
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