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Contact Person : Jennifer
Phone Number : +86-1381 2020 947
WhatsApp : +8613812020947

Aluminum 1100 Annealed L Knurled Finned Tubes With 0.45mm Fin Thickness

Place of Origin China, import materials are available
Brand Name Reliance
Certification CE,ISO...
Model Number L TYPE
Minimum Order Quantity N/A
Price N/A
Packaging Details (1)Steel frame case sealed by plywoods with each end capped; (2)Solid fumigated wooden box with each end of capped.
Delivery Time Ex-work with 1 month on receipt of order.
Payment Terms T/T, L/C
Supply Ability Daily capacity up to 5,000 Meters
Product Details
Compamy Type M Manufacturer, Importer & Exporter Fin Tube Type Type KL Fin Tube / L Knurled Fin Tube
Tube Material Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc... Fin Material Aluminum, Copper And Steel
Fin Tube Length No Limit Fin Pitch 12 FPI Min.
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Product Description

Aluminum 1100 Annealed L knurled finned tubes with 0.45mm fin thickness



General L-type production capacity

General specifications of KL type fin tubes

Finning Facility: 7 finning machines;

Daily capacity up to 5000 meters;

Fin type: Solid plain

Tube OD       : 50.8mm max.

Tube Length  : no lomit

Fin Height      : 16.5 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch         :12FPI min





KL Type Tension Wound Tube is combined with two different materials.


 Items General Materials Popular ASTM Materials
Core Tube Material  Carbon steel, low-alloy steel, stainless steel, brass, copper, cooper-nickel alloys, aluminum bronze, nickel alloys.

1. Carbon Steel: A179, A192,SA210 Gr A1/C,A106 Gr B

2. Stainless Steel: TP304/304L,TP316/TP316L           

3. Copper:UNS12200/UNS14200/UNS70600,

                 CuNi70/30,CuNi 90/10

4. Titanium: B338 Gr 2

Fins Material 

Aluminum & Copper & Steel

1. Aluminum(Alu.1100,Alu.1060)

2. Copper.

3. Steel




All dimensions are in Inches and specification upon your requests.

Tube OD

Fin Height

Fin Thickness

Fins per Pitch



.015/.016/ .020

6, 7, 8, 9, 10, 11, 12



.015/.016/ .020

6, 7, 8, 9, 10, 11, 12



.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

1 1/4


.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

1 1/2


.015/.016/ .020

6, 7, 8, 9, 10, 11, 12

Pease email us for more information.



Manufacturing process: The fin strip (normally aluminum and copper) is folded into an L SHAPE and wound onto the base tube surface under tension. The feet of the fins are joined together and cover the finned surface.



Surface Protection

Both bare ends shall be Zinc or Aluminum metalized applied by an electro spray arc system coating.


Acceptance Criteria

API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).



Tube Support Box, Clamp or Spacer Box (Material: Aluminum, Zinc and Stainless Steel).


Delivery Condition

Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of L Type Tension Wound Finned Tube.



The desiccants are put into each package for continental transportation as well.




  • One-stop manufacturer shop from core tube supply to fin tube machines
  • ISO 9001:2008 certified company
  • Experienced and dedicated management and qualfied manpower
  • Quickest response, competitive price, highese quality and shortest schedule
  • Tube stock availability for general grades of carbon steel and stainless steel
  • Technical support services for fin tube machines and replacement accessories

Aluminum 1100 Annealed L Knurled Finned Tubes With 0.45mm Fin Thickness 0Aluminum 1100 Annealed L Knurled Finned Tubes With 0.45mm Fin Thickness 1