Longitudinal Finned Tubes,Longitudinal Finned Tubes,High Frequency Welded(HFW) Fin Tube,L Foot Fin Tube,KL Type Fin Tube,LL Fin Tube,Crimped Type Fin Tube,Integral Low Fin Tube,Bimetal Extruded Fin tube,Stud Fin Tube,G Fin Tube,Laser Welded Fin Tube
Fin Tube
Fin Tube
Fin Tube

Fin Tube

Product Name:Longitudinal Finned Tubes,High Frequency Welded(HFW) Fin Tube,L Foot Fin Tube,KL Type Fin Tube,LL Fin Tube,Crimped Type Fin Tube,Integral Low Fin Tube,Bimetal Extruded Fin tube,Stud Fin Tube,G Fin Tube,Laser Welded Fin Tube

Base PipeOD: 15.88-273mm
Fin Height: 4.0-50mm
Fin Thickness: 0.3 -1.5mm
Number of Fins: Depending on the tube OD
Fin Pitch:as customer's request.
End: Plain Ends, Beveled Ends
Base Tube Material:stainless steel, carbon steel, copper alloy,alloy steel (No theoretical limit)

  • Description
  • Specification
  • Production process
  • Packaging pictures
  • Inquiry
Description

Product Name:Longitudinal Finned Tubes,Longitudinal Finned Tubes,High Frequency Welded(HFW) Fin Tube,L Foot Fin Tube,KL Type Fin Tube,LL Fin Tube,Crimped Type Fin Tube,Integral Low Fin Tube,Bimetal Extruded Fin tube,Stud Fin Tube,G Fin Tube,Laser Welded Fin Tube

Base PipeOD: 15.88-273mm
Fin Height: 4.0-50mm
Fin Thickness: 0.3 -1.5mm
Number of Fins: Depending on the tube OD
Fin Pitch:as customer's request.
End: Plain Ends, Beveled Ends
Base Tube Material:stainless steel, carbon steel, copper alloy,alloy steel (No theoretical limit)

 

Stud fin tube is made by electrical Resistance welding specially formed Studs(Round pins ) in rows around the tube. The Studs can be supplied in a variety of Sizes and shapes. Also named pin fin tube.Stud tube have a very high heat transfer efficiency.The heat exchange efficiency is equivalent to 2-3 times that of the bare pipe.

High Frequency Welded fin tube also called solid type fin tube,use steel or stainless steel strip directly welded to tube surface by HFW.Can improving heat transfer efficiency much more than bare tube.Due to the tight welding of the fins to the base tube, these finned tubes are often used in vibrating conditions.Fin type have Serrated fin and flat fin.

High accuracy Laser welded fin tube same with HFW fin tube,use steel or stainless steel strip directly welded to tube surface but by high accuracy laser welded.Welding penetration is nealy100% between fin and tube

L type fin tube, The fin is helically wound around the base tube forming a strong mechanical contact between the tube and fin, thus improving the heat transfer efficiency.Also named Wrap On fin tube. This also give considerable corrosion protection to the base tube.

KL type fin tube same as L fin tube,except that the base tube is knurled before application of the fin foot.Also named Wrap On Knurled type fin tube.After application,the fin foot is knurled into the corresponding knurling on the base tube thereby enhancing the bond between fin and tube,Resulting in improved heat transfer efficiency.

LL fin tube Same as L fin except the fin foot is overlapped giving more corrosion protection. Also named Over Lapped fin tube. The fin is helically wound around the base tube forming a strong mechanical contact between the tube and fin, thus improving the heat transfer efficiency.This type of finned tube is often used as an alternative to the more expensive extruded type fin in corrosive environments.

Spiral fin tube,use carbon steel or stainless steel strip direct spiral in tube surface for improving heat transfer efficiency.Fin bottom touch tube surface but not bonded together,keep by Tension of the steel belt itself, both end fins can be permanently bonded to the tube by using solder.Cost is low than HFW fin tube.Also named Crimped fin tube.

G fin tube,the fin strip is wound into a machined groove on the tube surface and securely locked into place by back filling with base tube material.Also named imbedded fin tube. G fin tube have exceptional heat transfer efficiency at higher tube metal temperature.

Low fin tube forming short fins in tube wall that greatly increase the surface area over smooth tube. The fins are Integral formed into the tube wall so the outside diameter of the fins are not larger than the pre-finned smooth tube.

Bimetal Extruded Fin tube, use base tube insert Aluminium tube, directly extruded the Aluminium into wanted fin specification. Fin and tube surface are tight touch thus improving the heat transfer efficiency. This also give considerable corrosion protection to the base tube.

Specification
Specification

Type

Description

Base tube
O.D. (mm)

Fin specification (mm)

Fin pitch

Fin height

Fin thick

Embedded

G-type fin tube

16-63

2.1-5

<17

~0.4

Extruded

Single metal combined metal

8-51

1.6-10

<17

0.2-0.4

Low fin tube t-type fin tube

10-38

0.6-2

<1.6

~0.3

Bamboo tube corrugated tube

16-51

8-30

<2.5

/

Wound

l/kl/ll type fin tube

16-63

2.1-5

<17

~0.4

String

String fin tube

25-38

2.1-3.5

<20

0.2-0.5

U-type

U-type tube

16-38

/

/

/

Welding

HF-welding fin tube

16-219

3-25

5-30

0.8-3

H/HH type fin tube

25-63

8-30

<200

1.5-3.5

Studed fin tube

25-219

8-30

5-35

φ5-20

Schematic Diagram of Finned Tube Dimensions

Fin material

N° fins per meter

Strip thickness

Production capacity

All type of material

From 50 to 500

From 0,4mm. to 0,5mm.

More than 500 meters per day

Tube material

Tube thickness

O.D. tube

Lenght available

All type of material

1,00mm. minimum

From 10,00mm. to 200,00mm.

All lenghts up to 8 Meters

Standard

Base Tube O.D(mm)

Base Tube Thickness (mm)

Fin Height (mm)

Fin Thickness(mm)

Fin NO.(Pc)

25.4 mm ~152.4 mm

1.0 mm ~4.0 mm

5.0 mm ~16.0 mm

0.89 mm ~1.5 mm

2 ~ 36

Base Tube Material

Fin Material

Tube Length (Mtr)



Carbon Steel ,Alloy Steel ,Stainless Steel

Carbon Steel ,Alloy Steel ,Stainless Steel

≤ 15Mtrs


Production process
fin tube manufacturing process
Packaging pictures
fin tube packing
Inquiry

If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!

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Specification
Specification

Type

Description

Base tube
O.D. (mm)

Fin specification (mm)

Fin pitch

Fin height

Fin thick

Embedded

G-type fin tube

16-63

2.1-5

<17

~0.4

Extruded

Single metal combined metal

8-51

1.6-10

<17

0.2-0.4

Low fin tube t-type fin tube

10-38

0.6-2

<1.6

~0.3

Bamboo tube corrugated tube

16-51

8-30

<2.5

/

Wound

l/kl/ll type fin tube

16-63

2.1-5

<17

~0.4

String

String fin tube

25-38

2.1-3.5

<20

0.2-0.5

U-type

U-type tube

16-38

/

/

/

Welding

HF-welding fin tube

16-219

3-25

5-30

0.8-3

H/HH type fin tube

25-63

8-30

<200

1.5-3.5

Studed fin tube

25-219

8-30

5-35

φ5-20

Schematic Diagram of Finned Tube Dimensions

Fin material

N° fins per meter

Strip thickness

Production capacity

All type of material

From 50 to 500

From 0,4mm. to 0,5mm.

More than 500 meters per day

Tube material

Tube thickness

O.D. tube

Lenght available

All type of material

1,00mm. minimum

From 10,00mm. to 200,00mm.

All lenghts up to 8 Meters

Standard

Base Tube O.D(mm)

Base Tube Thickness (mm)

Fin Height (mm)

Fin Thickness(mm)

Fin NO.(Pc)

25.4 mm ~152.4 mm

1.0 mm ~4.0 mm

5.0 mm ~16.0 mm

0.89 mm ~1.5 mm

2 ~ 36

Base Tube Material

Fin Material

Tube Length (Mtr)



Carbon Steel ,Alloy Steel ,Stainless Steel

Carbon Steel ,Alloy Steel ,Stainless Steel

≤ 15Mtrs


Production process
fin tube manufacturing process
Packaging pictures
fin tube packing
Inquiry

If you have any inquiries and questions, please contact CONTINENTAL STEEL CO.,LTD. at any time. Thanks in advance. Welcome!

Email Us
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