Fin Tubes — OD 15-220 mm
We manufacture spirally crimped fin tubes: a fin strip is wound in a continuous spiral around the base tube under tension, and mechanical crimping creates interlocking ridges between the fin and tube for a secure bond without welding. This design increases heat transfer surface area and creates beneficial turbulence on the airside, giving higher heat transfer than bare tubes. The attachment resists loosening under thermal cycling and vibration. Used in heat exchangers, boilers, condensers, HVAC, and process heating or cooling. Tube OD 15–220 mm, fin height 6.35–38 mm; base tubes in carbon steel, stainless, or copper alloys with fins in aluminum, copper, or steel.
Spirally Crimped Construction
- Process: Fin strip is wound around the base tube at a precise angle; crimping forms interlocking ridges for a durable mechanical bond (optional tack welding at ends for extra security)
- Benefits: Strong thermal contact, improved heat transfer coefficient, cost-effective versus welded fin tubes, suitable for heating and cooling applications
Specifications
Key Features
- Enhanced heat transfer surface
- Material versatility
- High-temperature durability
- Customizable configurations
Applications
- Power generation condensers
- Petrochemical cooling
- HVAC systems
- Air-cooled heat exchangers
Frequently Asked Questions
What fin tube sizes do you manufacture?
Tube outer diameters from 15 to 220 mm, fin heights from 6.35 to 38 mm, and fin densities of 10-50 fins per inch.
What materials are available for fin tubes?
Base tubes in carbon steel, stainless steel, and alloy steel, with fin material chosen for the heat-transfer duty — commonly aluminum or steel strip, spirally wound and crimped for a strong mechanical bond.
Is the fin tubes customised to my requirement?
Yes. Every machine we build is custom-engineered — capacity, dimensions, and configuration are matched to your line. Send your requirement via the enquiry form or call +91 91091 02280 for a firm quote. Equipment is manufactured to ASTM A106, ASTM A179, ASME, and test certificates are available on request.
*This is only an approximate starting price — a rough, loose estimate. Every machine is custom-engineered to your requirements, so the final price depends on capacity, specifications, and configuration — reach out for a firm quote.
From our blog: Fin Tube Machine: How Fin Tubes Are Manufactured