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DELLOK TP304L Longitudinal Finned Tube

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DELLOK TP304L Longitudinal Finned Tube
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Fin Tube Type: Longitudinal Tube
Fins Type: Plain Strips,U Shaped Strips,Twist
Tube OD: 19mm Min.
Tube Length: 18 Meters Max.
Fin Number: 2/ 4/ 8/ 16/ 18/ 32/ 36 Piece Per Row
Daily Production: Up To 500 Meters;
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TP304L Longitudinal Finned Tube


TP304 Stainless Steel Pipe


19mm Longitudinal Finned Tube

Basic Infomation
Place of Origin: China
Brand Name: DELLOK Yonghui
Certification: CE. ISO,EN10204. 3.1 Cert.
Model Number: Longitudinal Tube
Payment & Shipping Terms
Packaging Details: Steel frame case sealed by plywood with each tube end capped.
Delivery Time: Ex-work within 7 weeks on receipt of order.
Payment Terms: L/C, T/T Contact us for details, L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 meters month
Product Description

TP304L Longitudinal Finned Tube


General Specifications of Longitudinal Fin Tube

Tube OD: 19mm min.Tube Length: 18 meters max.
Fin number: 2/ 4/ 8/ 16/ 18/ 32/ 36 piece per row
Number of fins: 16/20/24/32/40

General Longitudinal Fin Tube Production Capacity

Welding Facility: 1 finning machine;
Daily production capacity up to 500 Meters;
Fin type: U fins,perforated,twist…


Welded Perforated Longitudinal Fins Tube , TP304 / TP304L Stainless Steel Tube


ASTM A213 / A213M :Seamless Ferritic & Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM A312/ A312M : Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ASTM A269/ A269M :Seamless and Welded Austenitic Stainless Steel Tubing for General Service


DELLOK TP304L Longitudinal Finned Tube 0



Manufacturing process: The longitudinal I/L or U shape fins are welded onto the core plain tubes by resistance welding or welding with filler matal (Spot welded). It suits various area such as Chemical- petrochemical-oil-, and power industry, Heat exchanges, Fired heaters, Gas coolers and heaters, Tank heaters.

1. U bends tubes with longitudinal fins and fin tube coils are available for requesting.

2. Longitudinal fins types: one-piece shape, standard U bent shape, cut & twist, perforated type etc…

3. The fin channels are welded to the tubes in opposite pairs. Fin height, number of fins and fin thickness can be specified.

4. Fins can be applied to either OD tube or NB pipe.


Competitive Advantage:

1. Longer working life than others ordinary welding helical fin tubes.

2. Much safer and energy saving.

3. Increase the heat transfer rates for viscous liquids.

4. Perforated fin type used whenever drainage of liquid from fin channels become a problem.

5. Longitudinal fin tubes are widely used in horizontal heat exchangers.


Our Service


Inquiry-Professional quotation, or send inquiry item more details, we start contact more details


Confirm the price, lead time, payment term etc


Our sales send the Proforma Invoice with our seal, or you order online to us


Customer make the payment for deposit and send us Bank receipt


Intial Production Stage-Inform the clients that we habe got the payment, and will make the samples according to your request, send you photos or samples to get your approval. After approval, we inform that we will arrange the production & inform the estimated time


Middle Production-send photos to show the production line which you can see you products. Confirm the estimated delivery time again.


End Production-Mass production products photos and samples will send to you for approval. You can also arrange the third party inspection


Clients make payment for balance and ship goods, inform the tracking number and check the status for clients


Order can be say "finish" when you receive the goods and satify with them


Feedback to our about Quality, Service, Market Feedback & Suggestion. And we can do better



DELLOK TP304L Longitudinal Finned Tube 1

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Contact Person : Pax Yang
Tel : +862569521609
Fax : 86-25-6952-5709
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