About laser welding finned tubes

2022-08-02

Finned Tubes, also known as heat dissipation tubes, are divided into single metal finned tubes and bimetallic finned tubes.

Single metal Finned Tube is rolled from aluminum tube as a whole, which is called aluminum rolled finned tube. It has no contact thermal resistance, high strength, heat resistance and mechanical vibration, good thermal expansion performance, and considerable extended heat exchange surface. The Heat Exchanger made of this kind of Fin Tube is a kind of heat exchanger with a wide range of applications, which has a better effect than the series or wound fin heat exchanger. Single metal finned tubes can also be directly rolled from steel tubes or copper tubes.

Bimetallic composite finned tubes are divided into steel aluminum composite finned tubes and copper aluminum composite finned tubes. The steel aluminum composite finned tube is made of (steel tube, aluminum tube; or Stainless steel tube, aluminum tube) and then rolled out of fins. The copper aluminum composite finned tube is made of (copper tube, aluminum tube) and then rolled out of fins. It has the advantages of tight combination, small thermal resistance, good heat transfer performance, high strength, small flow loss, Strong Corrosion Resistance, not easy to deform under long-term cold and hot working conditions, and long service life.

The integrally rolled fins are free of burrs and folds, Easy To Clean, easy to remove condensate on the surface of fins during wet cooling in heating and air conditioning projects, and not easy to form dust and scale in drying, heating and other heat exchange occasions.

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