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High Frequency Welding Serrated Fin Tube Detailed Product Description
| Tube Standard: | ASTM A213 | Fin Tube Packing: | Ply-wooden Case With Iron Frame |
|---|---|---|---|
| Base Tube Thickness: | Customized | Heat Transfer Efficiency: | High |
| Aplicação: | Trocadores de calor, Boilers, Air Conditioning, Etc. | Aço carbono: | ASME SA192, ASME SA210 GR.A1 , B, C , |
| Third Party Inspection: | BV,SGS,ASP | Packing: | Standard Export Seaworthy Package |
| Fin Grade: | CS | Shape: | Round |
| Highlight: |
Furnace Heater Fin Tube, Serrated Fin Tube, High Frequency Welding Fin Tube |
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Serrated Fin Tube, High Frequency Welding Tube, ASTM A213 T11, For Furnace and Heater
Overview
The Serrated Fin Tube made from ASTM A213 T11 alloy steel and fabricated via High Frequency Welding (HFW) is specifically engineered for high-temperature applications such as furnaces e industrial heaters. The serrated fin structure maximizes turbulence and heat transfer efficiency, making it a superior choice for heat recovery and fuel efficiency in power plants, petrochemical refineries, and thermal processing units.
1. High Frequency Welding Serrated Fin Tube Chemical Composition – ASTM A213 T11 (Base Tube)
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.05 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Chromium (Cr) | 1.00 – 1.50 |
| Molybdenum (Mo) | 0.44 – 0.65 |
2. High Frequency Welding Serrated Fin Tube Mechanical Properties – ASTM A213 T11
| Property | Value |
|---|---|
| Resistência à tração | ≥ 415 MPa |
| Força de rendimento | ≥ 205 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 85 HRB |
3. High Frequency Welding Serrated Fin Tube Fin Characteristics – Serrated Fin
| Property | Value/Range |
|---|---|
| Fin Type | Serrated |
| Material | Aço carbono |
| Fin Thickness | 0.8 – 2 mm |
| Fin Height | 10 – 30 mm |
| Fin Pitch | 5 – 10 mm |
| Welding Method | High Frequency Welding |
4. High Frequency Welding Serrated Fin Tube Key Advantages
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Increased surface turbulence enhances thermal performance significantly over plain fins.
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High structural integrity from HFW process ensures tight fin-to-tube bonding.
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Excellent resistance to oxidation and creep under continuous high-temperature conditions.
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Longer service life, even in aggressive flue gas or fuel-rich atmospheres.
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Efficient in reducing fuel consumption due to better heat capture.
5. High Frequency Welding Serrated Fin Tube Applications
Used widely in:
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Furnace convection sections
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Crude oil and reformer heaters
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Thermal oxidizers
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Economizer tubes in boilers
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Process gas heaters
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Air preheaters and waste heat recovery units
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