Low Fin Tubes Stainless Steel Integral Low Finned Tube for Industrial Heat Exchangers

Material

This product is an integral low finned tube manufactured from high-quality stainless steel. The fins are formed directly from the parent tube material through a cold-forming process, ensuring metallurgical continuity between the tube and fins. This construction provides excellent corrosion resistance, high structural integrity, and long-term reliability in demanding industrial heat transfer environments.

Specifications

• Tube Type: Integral low finned tube

• Base Material: Stainless steel (common grades include 304, 304L, 316, 316L, 321)

• Outside Diameter (OD): Typically 12.7 mm – 38.1 mm

• Wall Thickness: 0.9 mm – 3.0 mm (customizable)

• Fin Height: 0.8 mm – 1.5 mm

• Fin Density: 16 – 26 fins per inch (FPI)

• Tube Length: Up to 18 meters

• Manufacturing Process: Cold rolling / integral fin forming

• Surface Condition: Pickled, bright annealed, or polished

Main Features

• Integral fin structure eliminates fin-to-tube contact resistance

• Significantly increased external surface area for enhanced heat transfer

• Excellent resistance to corrosion and oxidation

• High mechanical strength suitable for high-pressure applications

• Long service life with minimal maintenance

Our Advantages

Based on common customer concerns in industrial heat exchanger applications, our stainless steel low fin tubes address the following key issues effectively:

• Heat Transfer Efficiency:
  Customers often worry about insufficient heat exchange performance. The integral low fin design increases surface area by 2–4 times compared to plain tubes, greatly improving thermal efficiency.

• Fin Bonding Reliability:
  Unlike wrapped or soldered fins, integral fins are formed from the base tube itself, eliminating the risk of fin loosening or detachment during long-term operation.

• Corrosion Resistance:
  Stainless steel materials provide excellent resistance against moisture, chemicals, and aggressive process media, reducing replacement frequency and downtime.

• Operational Cost Reduction:
  Higher heat transfer efficiency allows for more compact heat exchanger designs, lowering material usage, energy consumption, and overall system costs.

• Stable Performance in Harsh Conditions:
  The tubes maintain mechanical integrity under high temperature, pressure, and vibration, ensuring consistent performance in industrial environments.

Chemical Composition 

Mechanical Properties 

Applicable Standards

• ASTM: ASTM A213 / ASTM A249

• EN: EN 10216-5 / EN 10217-7

• GOST: GOST 9941

• JIS: JIS G3463

• GB: GB/T 13296

Application Fields

General Applications:
Industrial heat transfer systems requiring high efficiency and corrosion resistance.

Specific Uses:

• Shell-and-tube heat exchangers

• Air coolers and finned tube heat exchangers

• Condensers and evaporators

• Petrochemical and refinery process units

• Power generation and HVAC systems

• Chemical and pharmaceutical equipment

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.