ASTM A376 TP347H Solid Fin Tubes With Carbon Steel Fins For Waste Heat Recovery
ASTM A376 TP347H solid fin tubes with carbon steel fins are specialized heat exchanger parts designed for high-temperature and corrosive environments, such as applied in projects for power generation, petrochemical & refining, waste incineration & chemical p,rocessing, industrial boilers & air heaters,etc.
Chemical Composition (%) max S34709
| Grade | C | Mn | P | S | Si | Cr | Ni |
| TP347H | 0.04-0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 17.0-19.0 | 9.0-13.0 |
The columbium content shall be not less than eight times the carbon content and not more than 1.10%
Mechanical Properties S34709
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) |
| TP347H | 75ksi (515 MPa) | 30ksi (205 MPa) |
Due to these properties, ASTM A376 seamless austenitic steel pipe intended for high-temperature central-station service,commonly used in boilers, superheaters, heat exchangers, and other high-temperature applications.
3 Design Advantages ASTM A376 TP347H Solid Fin Tubes With CS Fins
| Thermal Performance | Carbon steel fins enhance heat transfer while TP347H maintains structural integrity |
| Mechanical Durability | Cheaper carbon steel fins reduce overall cost vs. all-stainless designs. |
| Cost Optimization | Solid fin construction (fins welded or tension-wrapped to the tube) ensures robust performance under thermal cycling. |
Role of ASTM A376 TP347H Solid Fin Tubes For Waste Heat Recovery
In the waste heat recovery (WHR) system, ASTM A376 TP347H solid finned tubes with carbon steel fins not only maintain durability in harsh environments but also play a crucial role in effectively capturing and transferring the heat from the high-temperature exhaust gases.
Heat Transfer Enhancement: cs fins increase the surface area, improving heat absorption from hot exhaust gases (e.g., flue gases, process waste streams).Besides,TP347H stainless steel tube (inner side) efficiently conducts heat to the working fluid (water/steam, thermal oil, or air).
High-Temperature & Corrosion Resistance:TP347H withstands oxidation, creep, and sulfidation in aggressive exhaust environments (e.g., from furnaces, turbines, or incinerators).What's more,cs fins are cost-effective for the non-wetted side (exposed to gases), where corrosion is less severe.
Energy Efficiency Improvement:can recovers waste heat to preheat combustion air, generate steam, or power Organic Rankine Cycles (ORCs), reducing fuel consumption.
Applications in WHR Systems
A. Flue Gas Heat Recovery (Power Plants & Refineries): Economizers/Air Preheaters ; HRSGs (Heat Recovery Steam Generators)
B. Industrial Process Waste Heat (Cement, Steel, Glass):Clinker Coolers (Cement Plants) ; Steel Reheating Furnaces
C. Waste Incineration Plants: Boiler Tubes in Incinerators
D. Chemical & Petrochemical Processes
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ASTM A376 TP347H Solid Fin Tubes With Carbon Steel Fins For Waste Heat Recovery Images
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