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ASME SA249 TP304 Finned Tube For Heat Exchanger For Boiler Tube
ASME SA249 TP304 is a specification for seamless and welded
austenitic stainless steel tubing for general corrosion-resisting
and low- or high-temperature service. TP304 refers to the grade of
stainless steel, which is Type 304. Type 304 stainless steel is a
commonly used austenitic stainless steel alloy that contains 18-20%
chromium and 8-10.5% nickel. It has excellent corrosion resistance,
good mechanical properties, and is easily fabricated. The ASME
SA249 specification sets the requirements for the manufacturing and
testing of TP304 stainless steel tubing, ensuring its suitability
for various industrial applications.
Finned tubes are commonly used in heat exchangers to enhance heat
transfer between the fluid flowing inside the tube and the
surrounding environment. The fins on the outside of the tube
increase the surface area available for heat transfer, allowing for
more efficient heat exchange.
Some common applications of finned tube heat exchangers include:
1. Air conditioning and refrigeration systems: Finned tubes are
widely used in air conditioning and refrigeration systems to
transfer heat between the refrigerant and the ambient air. The fins
help to improve the cooling efficiency of the system by increasing
the heat transfer surface area.
2. Process industries: Finned tube heat exchangers are extensively
used in various process industries such as chemical, petrochemical,
and oil refineries. They are used for applications such as heating
or cooling process fluids, condensing or evaporating gases, and
recovering waste heat.
3. Power generation: Finned tube heat exchangers are used in power
plants for applications such as cooling turbine condensers,
preheating boiler feedwater, and recovering waste heat from flue
gases.
4. HVAC systems: Heating, ventilation, and air conditioning (HVAC)
systems often utilize finned tube heat exchangers for heating or
cooling air. These heat exchangers are commonly found in
residential and commercial buildings for applications such as space
heating, air conditioning, and heat recovery.
5. Automotive industry: Finned tube heat exchangers are used in
automotive radiators to transfer heat from the engine coolant to
the surrounding air. The fins help to dissipate the heat more
effectively, ensuring efficient cooling of the engine.
Overall, finned tube heat exchangers are versatile and widely used
in various industries and applications where efficient heat
transfer is required.
Detailed Product Description
Specification: | ASME SA249 | Grade: | TP304 |
Application: | Oil Cooler, Pre Heater, Radiator, Air Conditioner Evaporator | Type: | Extruded |
Fin Grade: | Al 1060 | Shape: | Round |
Chemical Composition
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Application
1. Air-cooled heat exchangers: These finned tubes are used in
air-cooled heat exchangers to transfer heat from hot process fluids
to the surrounding air. The fins on the tubes increase the surface
area, allowing for efficient heat transfer.
2. Shell and tube heat exchangers: SA249 TP304 finned tubes are
also used in shell and tube heat exchangers, where they are placed
inside a shell and fluid flows through the tubes. The fins on the
tubes enhance the heat transfer between the fluid inside the tubes
and the fluid surrounding the tubes.
3. Condensers: Finned tubes are commonly used in condensers, where
they help in the condensation of vapors by transferring heat from
the vapor to the surrounding cooling medium.
4. Radiators: Radiators in various industrial and automotive
applications also use finned tubes to dissipate heat efficiently.
The fins on the tubes increase the surface area, allowing for
effective cooling.