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The utility model provides a technology for making the tube and the fin close together and improving the heat dissipation. It prefabricates the inclined edge hole on the string piece to reserve the interference material, and then retracts it to make the pipe and sheet form the extrusion of contour peak and contour valley. It can realize the seamless combination under the normal temperature condition without welding, sticking and filling other materials, so as to make it become a high-efficiency heat sink, In radiator, heat exchanger, shower water heater and so on, this technology can save tin and chemical adhesive.
Specifications
|
Item |
Typical Value / Range |
|
Base Tube Material |
Carbon Steel (ASTM A179, A106 Gr.B), Stainless Steel (TP304, TP316), Duplex Steel, Nickel Alloy, Copper, Aluminum Alloy |
|
Fin Material |
Carbon Steel, Aluminum, Stainless Steel (304/316), Copper |
|
Tube Shape |
Elliptical cross-section (flat oval) |
|
Major Axis (Width) |
38–60 mm |
|
Minor Axis (Thickness) |
16–30 mm |
|
Wall Thickness |
1.5 mm–4 mm |
|
Fin Bonding Method |
Mechanically rolled or welded–depending on fin type and application |
|
Operating Temperature |
Up to 400°C (carbon steel fins); 600°C+ for stainless steel fins |
|
Applications |
Air preheaters, economizers, fluid–air exchangers, industrial boilers, condensing units |
