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laser welded finned tubes (fin tubes)

Boiler tubes

Heat exchanger tubes

Welded pipes

L, LL, KLM finned tubes (fin tubes)

G embedded finned tubes (fin tubes)

Extruded finned tubes (fin tubes)

high frequency welded (serrated) finned tubes (fin tubes)

Laser welded finned tubes (fin tubes)

hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes

condenser fin flat tubes

inner finned tubes (fin tubes)

Studded Pipes

H / double H finned tubes (fin tubes)

longitudinal finned tubes (fin tubes)

Tube finning machine

Aluminum plates, strips,foils

Aluminum welding wire rod

Aluminum tubes, profile

casting alloy tubes

Economizer for Boiler

air-cooled heat exchanger (air cooler)

pipe fittings


standard & specification

Laser welded finned tubes (fin tubes)

New innovation: Laser welded finned tubes (fin tubes) and tube finning machine:

Laser welded fin tubes is our new development in fin tubes research, which is able to completely automaticly, mechanically laser weld the fins to tubes with advanced welding quality, comparing to traditional high frequency welded helical (spiral) fin tubes.

The advantages of Laser welded fin tubes:

  1. Laser welded tube finning machine has high automatic, the welding of fin to tubes and winding on tubes are made synchronously
  2. 100% welding rate,  Laser welded fin tubes has strong soundness between fins and tubes, welding strength is over 600MPa.
  3. Laser welded tube finning machine has high precision up to 0.05mm
  4. 0 contact resistance, high co-efficiency of heat transfer for spiral fin tubes by laser welding.
  5. Save production cost. Laser welded fin tubes has more small fin pitch, less than 2.5mm, its heat transfer area increase around 50% comparing to high frequency welded helical (spiral) finned tubes, which make material costs decrease largely as well as volume of heat exchanger.

Laser welded fin tubes for stainless steel

laser welded fin tubes

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