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Finned tube features and application in 2021

Classification of finned tubes

There are many types of finned tubes, and new varieties are constantly emerging. Generally, it can be classified according to the following aspects:

1. Classified by processing technology

1) extruded fin tube;

2) Welding and forming finned tubes (high-frequency welding finned tubes, submerged arc welding finned tubes);

3) Roll forming finned tube;

4) the finned tube is fitted and formed;

5) Casting finned tube;

6) Tension-wound finned tube;

7) Insert tube.

Classified by fin shape

1) Square finned tube (Square finned tube);

2), round finned tube;

3) spiral finned tube (spiral finned tube);

4) Longitudinal Finned Tube (Longitudinal Finned Tube)

5) Corrugated finned tube;

6) Helical Serrated Finned Tubes;

7) Needle-shaped finned tube;

8) Tonghao overall plate finned tube (plate fin);

9) inner finned tube (inner finned tube). and many more.

3. According to whether the fin material of the fin tube is the same as that of the base tube, it can be divided into:

1) single metal finned tube

2) bimetal composite finned tube

Single metal finned tubes are classified by material

1) copper finned tube;

2) aluminum finned tube;

3) Carbon steel finned tube;

4) stainless steel finned tube;

5) cast iron (cast steel) finned tube; etc.

Classified by purpose

1) Finned tubes for air conditioning;

2) Finned tubes for air cooling;

3) Boiler: finned tube used by water wall, economizer and air preheater;

4) Finned tubes for industrial waste heat recovery;

5) other special purpose finned tubes; etc.

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