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What is a large diameter finned pipe? Large diameter finned tubes are made of large diameter steel tubes. Large diameter finned tubes are the basis for radiator to have excellent heat dissipation performance.

Laser welded carbon steel finned tube adopts continuous laser welding machine to complete the welding of finned tube automatic winding device. The fins are welded very firmly. Fins and tubes are welded without missing welding.

Helical finned Tubes are manufactured in both Solid finned Tube and Serrated Finned Tube. Helical Finned Tubes provide the designer with high thermal efficiency and compact design solutions for a whole range of heat exchangers.

For Helical serrated finned tube, the serrated fin is a metal strip that has been serrated or cut and then helically wound around the base tube. Others are same as high frequency welded solid fin pipes.

HH type finned tubes are also called rectangular finned tubes. HH type finned tubes is special H type finned tube, which have double tubes. So its also called double H finned tube.HH type finned tubes suitable for economizers in waste incinerators.

Studded Pipe also called studded tubes, Nailhead Pipe or stud Pipe, which is made by electrical Resistance welding specially formed Studs in rows around the tube. Studded tubes are used as substitution of finned tubes.

Elliptical Tube with Rectangular Fins: This fin tube design utilizes an elliptical shaped tube with an efficient air foil shape to minimize air−side flow resistance. Oval Finned Tubes maximum working temperature in these fins is 400°C.