| Type: | Fin Tube | Application: | Heat Exchanger，Furnaces |
|---|---|---|---|
| Standard: | ASME SA106/ASTM A106 | Tube Material: | Gr.B |
| Fin Material: | Carbon Steel | Packing: | Plywood Case/Iron Case |
| High Light: | Carbon Steel HFW Fin Tube， GR.B High Frequency Welded Fin Tube， ASTM A106 Welded Finned Tube | ||
ASME SA106/ASTM A106 GR.B Carbon Steel High Frequency Welded/HFW Fin Tube
Overview:
Carbon steel HFW (High Frequency Welded) fin tubes are used in various industrial applications， including heat transfer and cooling systems. These tubes consist of a cylindrical carbon steel base tube with fins attached to its outer surface. The HFW process is used to weld the fins to the base tube， creating a strong bond that allows for efficient heat transfer between the fluid flowing inside the tube and the outside environment.
The process for creating carbon steel HFW fin tubes involves using a high-frequency electric current to heat the fins and the base tube， which are pressed together to create a weld. This process is often preferred over other welding techniques because it produces a smooth surface finish and requires minimal post-weld processing.
The fins themselves are typically made of a thin sheet of carbon steel that is folded or wound around the base tube. The fin geometry can vary， depending on the desired heat transfer characteristics and the specific application of the fin tube.
Carbon steel HFW fin tubes are commonly used in applications such as industrial boilers， heat exchangers， and air coolers. They are known for their high thermal conductivity， durability， and resistance to corrosion. Additionally， HFW fin tubes are often more cost-effective than other types of fin tubes， making them a popular choice in many industries.
Description:
| Standard | ASTM A106 & Its equivalent ASME， DIN & EN standard |
| Base Tube Material | Gr.A/B/C |
| Fin Material | Carbon Steel |
| Base Tube O.D. | 16-219mm |
| Fin Height | 6-50mm |
| Fin Thickness | 0.3-3.0mm |
| Fin Pitch | As customer's request |
| Tube End | Plain Ends， Beveled Ends |
| Bare End | As customer's request |
| Weld Process | GMAW |
| Production Capacity | More than 5000 meters per day |
Chemical Composition:
| Grade | C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V |
| A | 0.25 max | 0.27-0.93 | 0.035 max | 0.035 max | 0.10 min | 0.40 max | 0.40 max | 0.15 max | 0.40 max | 0.08 max |
| B | 0.30 max | 0.29-1.06 | 0.035 max | 0.035 max | 0.10 min | 0.40 max | 0.40 max | 0.15 max | 0.40 max | 0.08 max |
| C | 0.35 max | 0.29-1.06 | 0.035 max | 0.035 max | 0.10 min | 0.40 max | 0.40 max | 0.15 max | 0.40 max | 0.08 max |
Mechanical Properties:
| Grade | Tensile Strength， min， psi (MPa) | Yield Strength， | Elongation in 2 in. | Heat Treatment Temperature， | |
| Longitudinal | Transverse | ||||
| A | 48000(330) | 30000(205) | 35 | 25 | 1200(650) |
| B | 60000(415) | 35000(240) | 30 | 16.5 | 1200(650) |
| C | 70000(485) | 40000(275) | 30 | 16.5 | 1200(650) |
Application:
ASTM A106 GR.B HFW Fin Tube is commonly used in heat exchangers， boilers， and other applications that require efficient heat transfer. The finned tube design increases the heat transfer surface area， thus improving the heat transfer rate.
Some specific applications of ASTM A106 GR.B HFW Fin Tubes include:
1. Power generation: These tubes are used in power plants to transfer heat from the high-temperature flue gases to the water or steam used in the power generation process.
2. Oil and gas industry: The tubes are used in heat exchangers to transfer heat between different fluids in oil and gas processing， refining， and transportation operations.
3. HVAC systems: The tubes are used in air conditioning and refrigeration systems for efficient heat transfer between the refrigerant and the surrounding air.
4. Chemical processing: These tubes are used in chemical processing plants for heat transfer between different fluids and in reactors for maintaining temperature control.
Overall， the ASTM A106 GR.B HFW Fin Tube is a versatile and efficient tool for improving heat transfer in a wide range of industrial applications.
