High Frequency Welding Fin Tube ASTM A312 TP347H with 11Cr Fin Material For Fired Heater
High Frequency Welding Fin Tube, ASTM A312 TP347H with 11Cr Fin Material , For Fired Heater Application
Stainless Steel 304 ASTM A312 TP347H High Frequency Welding Fin Tube is a specialized heat transfer component combining the properties of stainless steel 304 and TP347H. This design provides excellent performance in high-temperature and corrosive environments. The fins are attached using high-frequency welding, increasing the surface area for enhanced heat transfer.
304 Stainless Steel: Known for its corrosion resistance and durability.
TP347H Stainless Steel: Stabilized with niobium, offering enhanced high-temperature strength.
Chemical Composition:
| Grade | Ni | Cr |
| Stainless Steel 304 | 8.0-15.0% | 18.0-20.0% |
| Grade | Cr | Ni | Nb |
| TP347H | 17.0-19.0% | 9.0-13.0% max | Stabilizing element |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| TP347H | ≥ 205 MPa (30 ksi) | ≥ 515 MPa (75 ksi) | ≥ 35% in 50 mm | Typically ≤ 90 HRB |
Applications:
1. Power Generation
- Boilers and Heat Exchangers: Used in power plants for efficient heat transfer. Enhances system efficiency under high-temperature conditions.
- Superheaters and Reheaters: Suitable for handling high-pressure steam. Improves overall plant performance and durability.
2. Petrochemical Industry
- Refineries: Ideal for processes involving high temperatures and corrosive substances. Ensures long-term reliability and efficiency.
- Chemical Processing: Handles aggressive chemicals and high thermal loads. Provides consistent performance and safety.
3. Oil and Gas Industry
- Offshore Platforms: Used in heat exchangers exposed to harsh marine environments. Offers excellent resistance to corrosion and thermal stress.
- Gas Processing Plants: Efficient in systems requiring high thermal performance. Helps maintain process efficiency and safety.
4. Industrial Heating
- Furnaces and Kilns: Withstands severe thermal cycling and high-temperature operations. Provides long-lasting support and efficiency.
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