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
2. Petrochemical Industry
3. Oil and Gas Industry
4. Industrial Heating