Product Details

Hot sale heat exchanger internal fin tube

High technology with competitive price and excellence service

Type of Base tubes: seamless or welded

Material: carbon steel, stainless steel or other material,like copper and aluminum,single metal or composite metal

Base pipe outer diameter: 25 -165mm

Base pipe length:‹12m

Fins Spacing: 4-30mm

Fins Height: 5-30mm

Fin thickness: 0.4-3.0mm

Application: Radiator, boiler economizer, power plant waste heat boiler, petrochemical engineering

Our products are used widely on domestic & exported and go down well with numerous customers.

Different kinds of finned tubes can be developed and designed according to your requirements with good quality

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NDT(nondestructive testing)

Extruded finned tube are formed from a bimetallic tube consisting of a base tube and an aluminum muff tube. The fins are formed on a cold rolling process from the wall thickness of aluminum muff tube. Extruded fin gives very good corrosion protection to the base tube, as the base tube is not visible to the atmosphere in between the fins.

Tube Material : carbon steel / stainless steel / copper

Fin material : Aluminum

Specifications of fin tubes

Unit(mm)

Base pipe(OD)

25-165

Base pipe thick(δ)

2-10

Fin thick(s)

0.4-3.0

Fin height(h)

5-30

Thread Pitch of Fin

4-30

Finned tube length(L)

≤12000

Remark:

1 Other specifications outside the table should be proposed, it is negotiable
2 The spiral finned tubes produced according to the Standard:JB/T6512-92 DG1020-97