High Frequency Welding Serrated Fin tube , ASTM A312 TP347 Seamless Pipe with 11Cr (SS409) Fin Material, HVAC system
| Attribute | Value |
|---|---|
| Base Tube Material | TP347, TP347H, 1.4550 |
| Base Tube Standard | ASTM A312, ASME SA312, ASTM A376, ASME SA376 |
| Fin Material | 1Cr13, 2Cr13, 11Cr, 13Cr, SS409, SS410 |
| Applications | Oil & Gas Processing, oil refining, gas processing, petrochemical industries, Boiler, Steam, Power Plant, HVAC system |
| Fin Type | High Frequency Welding with Serrated Type |
| Length of Fin Tube | 34m/pc Max. |
Serrated fin tubes are specialized finned tubes designed for heaters, furnaces, and boilers to significantly enhance heat transfer efficiency. The unique serrated or tooth-like pattern on the fin surface increases available surface area and improves fluid flow turbulence.
- Increased heat transfer efficiency: Serrated pattern creates additional surface area for optimal heat transfer between fluid and tube surface
- Improved fluid flow characteristics: Enhanced turbulence promotes better mixing and fluid distribution along the tube surface
- Resistance to fouling and corrosion: Serrated design minimizes debris accumulation and reduces corrosion risks
- Enhanced strength and durability: Superior mechanical strength makes these tubes ideal for high-pressure and high-temperature applications
- Versatile industrial applications: Suitable for oil & gas, power generation, chemical processing, and HVAC systems
| Base Tube / Core Tube O.D | 15.88 - 325mm |
| Fin Height | 6 - 50.8mm |
| Fin Thickness | 0.8 - 3.0mm |
| Fin Pitch | As Customer's Request |
| End | Plain Ends / Beveled Ends |
| No Fin Area on Both Side | As Customer's Request and Drawing |
| ASME SA312 TP347 Chemical Composition (%) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Nb | Cu | Al | V | Co | Fe | Result |
| ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 17.0~19.0 | 9.0~13.0 | / | / | / | / | / | / | / | / | |
| ASME SA312 TP347 Tensile Test ASTM A370-20 | ||
|---|---|---|
| Tensile Strength: Rm (Mpa) | Yield Strength: Rp 0.2(Mpa) | Elongation: A (%) |
| ≥515 | ≥205 | ≥35 |
Our facility features over 20,000 square meters of workshop space with 4 dedicated finning machines for high frequency welding serrated fin tubes, achieving a daily production capacity of 700 meters. Located within 2 hours of Shanghai Port for efficient logistics and transportation.
The high rigidity of our studded tubes ensures reliable performance under extreme temperature and pressure conditions.
Our high frequency welding serrated fin tubes are ideal for:
- Boilers and furnaces
- Fired heaters and radiators
- Refrigeration systems
- Power plant steam systems and superheaters
- Oil & gas processing equipment
- HVAC systems
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