High Frequency Welding Fin Tube Serrated Type ASTM A312 TP304H For Power Plant Furnace
High Frequency Welding Fin Tube, Serrated Type, ASTM A312 TP304H, Power Plant Furnace Application
ASTM A312 TP304H Serrated Fin Tube is a high-performance stainless steel tube used in heat transfer applications. The TP304H grade is an austenitic stainless steel with enhanced carbon content, providing improved high-temperature strength.
The increased carbon content in TP304H enhances its strength at elevated temperatures. The tube's ability to maintain strength and resist corrosion at elevated temperatures ensures long-lasting performance and improved system efficiency. It offers excellent resistance to oxidation and corrosion, making it suitable for high-temperature environments. It provides long-lasting performance in demanding applications.
Chemical Composition:
| Grade | Cr | Ni | C | Mn | Si | P | S |
| TP304H | 18.0-20.0% | 8.0-11.0% | 0.04-0.10% | 2.0% max | 1.0% max | 0.045% max | 0.030% max |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| TP304H | ≥ 205 MPa (30 ksi) | ≥ 515 MPa (75 ksi) |
≥ 35% in 50 mm |
Typically ≤ 90 HRB |
Applications:
1. Power Generation
- Boilers and Superheaters: Enhance heat transfer efficiency in power plants. Withstand high steam temperatures, improving overall plant efficiency.
2. Petrochemical Industry
- Refineries: Used in catalytic reforming and other high-temperature processes. Provides durability and resistance to corrosive chemicals.
- Chemical Processing: Essential for heat exchangers handling aggressive and high-temperature fluids. Ensures long-term reliability in harsh chemical environments.
3. Oil and Gas Industry
- Offshore Platforms: Suitable for heat exchangers exposed to harsh marine conditions. Resists corrosion and maintains strength under pressure.
- Refinery Furnaces: Efficiently transfers heat in high-pressure operations. Enhances system performance and reduces downtime.
4. Industrial Boilers
- Economizers: Recover heat from flue gases to preheat boiler feedwater. Improve boiler efficiency and reduce energy costs.
- Steam Distribution Systems: Ensure reliable operation under varying thermal conditions. Maintain consistent steam quality and temperature.
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