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DELLOK TP304 SMLS Stainless Steel OD15.88mm Crimped Fin Tube

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DELLOK TP304 SMLS Stainless Steel OD15.88mm Crimped Fin Tube
Features Gallery Product Description Request A Quote
Tube OD:: 12mm Min ~ 50.8mm Max.
Tube Length:: 18,000mm Max.
Fin Height:: 20 Mm Max.
Fin Thickness:: Generally 0.4mm ~0.6mm
Fin Tube Type: Crimped Fin Tube, I Type Fin Tube
Fin Pitch:: 2.1 Mm (12FPI) Min.
High Light:

OD15.88mm Crimped Fin Tube


50.8mm 304 Stainless Steel Tube


TP304 Crimped Fin Tube

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

TP304 SMLS Stainless Steel OD15.88mm Crimped Fin Tube


Product Details

Tube details:

Tube OD: 12mm Min ~ 50.8mm max.

Tube Length: 18,000mm max.

Fin Height: 20 mm max.

Fin Thickness: generally 0.4mm ~0.6mm

Fin Pitch: 2.1 mm (12FPI) min.

Production Capacity:

Daily capacity up to 2000 meters;

TP304 / 304L SMLS Stainless Steel tube, OD15.88mm Crimped Steel Fin 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



Crimped Fins are spirally wrapped onto the base tube, without welding, but spot welded. Non-ferrous tubes and fins on either root soldered or completely tinned. All the goods are ends of Crimped fin tubes shall be Hot Dip Galvanzied.  It will be delivered when Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends. The desiccants are put into each package for continental transpotation as well. The fins can be used in various area such as climatic industry, cooling , heating, drying. All the Crimped Type Fin Tube quality is assured by hydrostatic or pneumatic tests, eddy current tests and tensile tests in order to verify the mechanical bonding between inner and outer tubes.



Crimped I type finned ube is combined with two different materials.


General Materials

Popular ASTM Materials

Core Tube Material

Carbon Steel

Stainless Steel

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

2. Stainless Steel: TP304/304L,TP316/TP316L/316Ti,


Fins Material

Carbon Steel,

Stainless Steel

1. Carbon steel

2. Stainess Steel : TP304/TP304L , TP316 / TP316L



Descriptions of Crimped I Type Fin Tube

Popular specifications we make


Tube OD

5/8'' to 3'' (15.8 mm to 76.2 mm)


Fin Height

1/4'' to 3/4'' or 6.4 mm to 20 mm.


Fin Pitch

3FPI to 11FPI or 118 FPM to 433 FPM.


Competitive Advantage:

  1. We have more than 10,000 square meters workshop, including 2 finning machines, daily capacity up to 2,000 Meters.

  2. The finning machines are designed and assembled by ourselves and we can offer you finning machines and all accessories etc...

  3. These finned tubes can be further Hot Dipped Galvanised for surface protection where as the deposition of Zinc also adds up to the efficiency of finned tubes. Maximum Operating Temperature 250° C.

  4. Application Commercial application for air heating or air cooling up to 130° C to 150° C

  5. Using steam / Thermic fluid / Hot water as heating media or water as cooling media.

DELLOK TP304 SMLS Stainless Steel OD15.88mm Crimped Fin Tube 0DELLOK TP304 SMLS Stainless Steel OD15.88mm Crimped Fin Tube 1DELLOK TP304 SMLS Stainless Steel OD15.88mm Crimped 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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