| Type: | HFW U-Fin Tube | Standard: | ASME SA106/ASTM A106 |
|---|---|---|---|
| Tube Material: | Gr.B | Fin Material: | Carbon Steel |
| Packing: | Plywood Case/Iron Case | Application: | Heat Exchanger，Cooler |
| High Light: | HFW Carbon Steel Finned Tube， ASME A106 Finned Tube， High Frequency Welded U Fin Tube | ||
ASTM A106 GR.B Carbon Steel High Frequency Welded Extended Surface Tubes for Economizer
Overview:
ASTM A106 Gr.B HFW U-Fin Tube is a type of heat exchanger tube made of carbon steel and featuring a unique "U"-shaped fin profile. The "U"-shaped fins are spiral-welded onto the outside surface of the tube， creating an extended surface that can improve overall heat transfer efficiency.
The manufacturing process of the HFW (High-Frequency Welded) U-Fin Tube involves the use of high-frequency electrical currents to create a strong and precise weld between the fins and the base tube. This allows for a more reliable and durable bond， as compared to traditional welding methods.
This type of fin tube is commonly used in applications where heat transfer efficiency is critical， such as in power generation， chemical processing， and HVAC systems. The ASTM A106 Gr.B HFW U-Fin Tube meets the industry standards for size， shape， and thickness， ensuring that it can be easily integrated into any heat exchanger system.
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. | 16-38mm |
| Fin Height | As customer's request |
| Fin Thickness | As customer's request |
| 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， min， psi (MPa) | Elongation in 2 in. or 50mm， min (%) | Heat Treatment Temperature， min， °F(°C) | |
| 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 U-Fin Tubes are used in a variety of heat transfer applications where high efficiency and durability are essential. These tubes are commonly used in power generation systems， especially in boilers and heat recovery steam generators， where they can help increase the overall energy efficiency of the plant.
They are also used in chemical processing and petrochemical plants， where the tubes' carbon steel construction and corrosion resistance make them ideal for use in harsh environments. HVAC systems and air-cooled heat exchangers also frequently use HFW U-Fin Tubes， due to their efficient heat transfer properties and ability to operate at high temperatures.
Additionally， this type of fin tube can be found in a range of other industrial applications， including food processing， pharmaceuticals， and wastewater treatment. The ASTM A106 Gr.B HFW U-Fin Tube is designed to meet the high standards of the industry， providing reliable and consistent performance in a variety of settings.
