ASTM A106 GR.B HFW U Fin Tube Durable Carbon Steel Fin Material
ASTM A106 GR.B HFW U-FIN TUBE FOR HEAT EXCHANGER
ASTM A106 GR.B HFW U-FIN tube is a type of heat exchanger tube made from ASTM A106 Grade B carbon steel. It is manufactured using the High Frequency Welding (HFW) process, which utilizes high-frequency current to create a strong, durable weld.
The U-FIN design refers to the U-shaped fins on the outer surface of the tube. These fins significantly increase the heat transfer surface area, enhancing thermal efficiency between the internal fluid and the external environment.
This tube is ideal for heat exchanger applications requiring high thermal performance, especially in power generation, petrochemical, and HVAC systems.
A106 Grade B Pipes Chemical Composition
| Element | Grade A | Grade B | Grade C |
|---|---|---|---|
| Carbon, max. % | 0.25 | 0.30 | 0.35 |
| Manganese, % | 0.27–0.93 | 0.29–1.06 | 0.29–1.06 |
| Phosphorus, max.% | 0.025 | 0.025 | 0.025 |
| Sulfur, max. % | 0.025 | 0.025 | 0.025 |
| Silicon, min. % | 0.10 | 0.10 | 0.10 |
ASME SA 106 Gr B Pipe Equivalent
| Execution | Standard | Material | Standard (New) | Material (New) |
|---|---|---|---|---|
| Seamless | ASTM A106 | GRADE B | EN 10216-2 | P265GH |
ASTM A106 Grade B HFW U-FIN Tube Specification
| Parameter | Specification |
|---|---|
| Standards | ASTM, ASME, API, ANSI B 36.10 |
| Process | High Frequency Welding (HFW) with U-FIN |
| Type | ERW (Electric Resistance Welded) |
| Size Range | 1/2" NB to 36" NB |
| Length | 3–18 Meters |
| Thickness | 3–12 mm |
| Specialization | Large Diameter U-FIN Tubes for Heat Exchangers |
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Applications
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Power Plants (Boilers, Economizers)
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Petrochemical (Heaters, Condensers, Reactors)
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HVAC Systems (Industrial Heat Recovery Units)
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General Heat Transfer Equipment (Gas/Liquid Exchange)
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