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DELLOK 0.5mm Heat Exchanger Fin Tube

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DELLOK 0.5mm Heat Exchanger Fin Tube
Features Gallery Product Description Request A Quote
Tube OD:: 50.8mm(2'') Max.
Tube Length:: 18,000mm Max.
Fin Height:: 16.5 Mm Max.
Fin Thickness:: Generally 0.4mm ~0.6mm
Manufacturing Process: The Aluminum Fin Strip Is Tension Wound And Placed Into A Groove Cut Into The Tube With Appr. 0.4mm Fluted Depth.
Type: Fin Tubes
High Light:

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Basic Infomation
Place of Origin: China
Brand Name: DELLOK
Certification: CE. ISO,EN10204. 3.1 Cert.
Model Number: Type G fin tube
Payment & Shipping Terms
Packaging Details: (1) Steel frame case sealed by plywoods with each end capped;(2) Solid fumigated wooden box with each end capped.
Delivery Time: Ex-work with 5 weeks after Order.
Payment Terms: L/C, T/T Contact us for details
Supply Ability: 60000 meters month
Product Description

0.5mm Heat Exchanger Fin Tube

Fluted G type Fin Tube with Fin Root Thickness 0.5mm & 0.3mm at tip


ASTM A179 / A179M : Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

ASTM A192 / A192M : Seamless Carbon Steel Boiler Tubes for High-Pressure Service

ASTM A210 / A210M : Seamless Medium-Carbon Steel Boiler and Superheater Tubes

Delivery Condition of Tubes: Annealed, Normalized, Normalized and Tempered


The aluminum fin strip is tension wound and placed into a groove cut into the tube. The depth of this tube is about 0.4mm, and all the goods are Zinc or Aluminum metalized applied by an electro spray arc system coating on surface. The goods will be delivered when tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube. The desiccants are put into each package for continental transportation as well. Besides it applies to many areas such as Heat exchangers units for power plant(electric, nuclear, thermal and geothermal power plants), High corrosive systems (condensers, evaporators, sea water desalinations, fertilizing, urea systems, ammonia, gas, corrosive acids), The petroleum, chemical and petrochemical industries, The food processing and refrigeration industries, Natural gas treatment. And we provide the tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).


Acceptance criteria:

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

Quick Details



Brand Name:


Place of Origin:



Carbon, stainless, and alloy steels.

Tube OD:

50.8mm(2'') max.

Tube Length:

18,000mm max.

Fin Height:

16.5 mm max.

Fin Thickness:

generally 0.4mm ~0.6mm

Fin Pitch:

2.1 mm (12FPI) min.

Production Capacity:

Daily capacity up to 3500 meters.


Steel frame with plywoods or seaworthy wooden box.

Marketing Type:

New Production 2020


1 Year

After Warranty Service:

Online support

Machinery Test Report:



CE. ISO,EN10204. 3.1 Cert.

After-sales Services:

Video technical support, Online support

Showroom Location:


Local Service Location:





Grooved G type Finned Tubes are combined with two different materials.



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/316Ti,

A789 S31803/S2205 etc...

3. Copper:UNS12200/UNS14200/UNS70600,

CuNi70/30,CuNi 90/10

Fins Material

1. Aluminum Alloy

2. Copper.

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

2. Copper.


All dimensions are in Inches and specification upon your requests.

Tube OD

Fin Height

Fin Thickness

Fins per Pitch(Density)



.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

Please email us for more information.


Competitive Advantage:

  1. We have more than 10,000 square meters workshop, including 5 finning machines, daily capacity up to 3,500 meters.

  2. The Grooved G type Finning Machines are designed and assembled by ourselves and we can offer you finning machine and all accessories etc...

  3. The contact of manufacturing Grooved fin tubes is designed for a high wall temperature of up to 350°CDELLOK 0.5mm Heat Exchanger Fin Tube 0DELLOK 0.5mm Heat Exchanger Fin Tube 1DELLOK 0.5mm Heat Exchanger Fin Tube 2

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Get in touch with us
Contact Person : Pax Yang
Tel : +862569521609
Fax : 86-25-6952-5709
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