HFW Serrated Finned Tube ASTM A312 TP304H With Stainless Steel Fins For Heater
HFW Serrated Finned Tube ASTM A312 TP304H With Stainless Steel Fins For Heater
Basic Description:
A "serrated finned tube" describes a type of heat exchanger tube designed to increase the surface area of the tube and thus improve the heat transfer efficiency. The serrated fins are welded or otherwise attached to the outside of the tube, and the serrations are cuts or notches in the fins that can increase turbulence in the fluid flowing over the fins, further enhancing heat transfer.
The ASTM A312 TP304H Serrated Finned Tube is a high-performance component designed for efficient heat transfer in high-temperature and corrosive environments. Its combination of high-carbon stainless steel and serrated fin design makes it ideal for demanding industrial applications.
Key Features:
- Material Properties: TP304H stainless steel offers excellent corrosion resistance, good mechanical properties, and high-temperature strength, making it suitable for demanding environments.
- Heat Transfer Efficiency: The serrated fins significantly increase the surface area, improving the heat transfer rate between the tube and the surrounding medium.
Advantages:
- Enhanced Heat Transfer: The serrated fins provide better heat transfer compared to smooth fins.
- Durability: TP304H material ensures long-term performance even at high temperatures.
- Corrosion Resistance: Stainless steel construction resists corrosion, extending the lifespan of the tubing.
Material Composition of ASTM A312 TP304H
| Element | Composition (%) |
| Carbon (C) | 0.04 – 0.10 |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 0.75 max |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 11.00 |
| Nitrogen (N) | 0.10 max |
| Iron (Fe) | Balance |
Mechanical Properties of ASTM A312 TP304H
| Property | Value |
| Tensile Strength | ≥ 515 MPa (75,000 psi) |
| Yield Strength | ≥ 205 MPa (30,000 psi) |
| Elongation (in 2 inches) | ≥ 40% |
| Hardness (Brinell) | ≤ 192 HB |
Key Notes:
- TP304H is a high-carbon variant of 304 stainless steel, designed for improved high-temperature strength.
- The higher carbon content enhances its performance in elevated temperature applications.
- The material is widely used in heat exchangers, boilers, and other high-temperature industrial equipment.
Applications of ASTM A312 TP304H Serrated Finned Tube
1. Heat Exchangers:
Used in shell-and-tube heat exchangers, air-cooled heat exchangers, and other heat transfer systems.
The serrated fins enhance heat transfer efficiency by increasing the surface area and creating turbulence in the fluid flow.
2. Boilers and Superheaters:
Suitable for high-temperature steam generation in power plants and industrial boilers.
TP304H's high-temperature strength makes it ideal for superheater tubes, where temperatures can exceed 540°C (1000°F).
3. Petrochemical Industry:
Used in refineries and chemical processing plants for heat recovery systems, condensers, and reactors.
The corrosion resistance of TP304H ensures durability in harsh chemical environments.
4. Power Generation:
Commonly used in thermal power plants for heat recovery steam generators (HRSGs) and waste heat recovery systems.
The serrated fins improve heat transfer efficiency, which is critical for energy optimization.
5. HVAC Systems:
Applied in heating, ventilation, and air conditioning systems for efficient heat exchange.
The corrosion resistance of TP304H ensures long-term performance in humid or corrosive environments.
6. Oil and Gas Industry:
Used in gas coolers, preheaters, and other heat transfer equipment in upstream and downstream operations.
The material's resistance to oxidation and high-temperature strength make it suitable for demanding oil and gas applications.
7. Waste Heat Recovery Systems:
Utilized in systems that recover waste heat from industrial processes to improve energy efficiency.
The serrated fin design maximizes heat transfer from exhaust gases or other waste streams.
8. Aerospace and Defense:
Used in heat exchangers and cooling systems for aerospace applications, where high strength and corrosion resistance are critical.
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