Hangzhou Fin Tube Co., Ltd.
                                                                                                           
Verified Supplier
20 Years
Since 2006
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317/317L Laser Welded Finned Tube for Industrial Gas Cooling - 5-12 FPI, 0-15mm Fin Height, ISO 9001 Certified

Price Negotiable
Price: negotiable
MOQ: 1 Pcs
Delivery Time: 1 - 30 Days
Brand: HZFT
Product Description
317/317L Laser Welded Finned Tube for Industrial Gas Cooling
Key Features
  • Laser welding process with minimal heat-affected zone for material savings
  • Superior heat transfer compared to HF welding and wrapped fin tubes
  • 99%-100% fully welded integrity between tube and fin strip
  • Space-saving design with higher efficiency for cost reduction
  • ISO 9001:2008 quality certified manufacturing
Tube Number Code System
Component Description
LF Laser Fin
11 Minimum fins per inch
045 Fin height in 1/10 mm
180 Minimum root diameter in 1/10 mm
100 Root wall-thickness in 1/100 mm
00 Inner surface code (00=plain, 01=undulated, 02=grooved)
Laser welded finned tube close-up showing precision welding Industrial finned tube installation in heat exchanger system Laser welding process demonstration for finned tube manufacturing Custom finned tube configurations for various industrial applications
Manufacturing Process
  1. Raw material ordering based on customer specifications
  2. Incoming raw material inspection
  3. Laser welding with continuous process monitoring
  4. Custom length cutting
  5. Finned tube specification inspection
  6. Optional processes: de-fin, soft annealing, bending, coiling, welding connectors
  7. Final cleaning, pressure testing, drying, and packaging
Technical Specifications

Custom outside diameter and inside diameter available

Fin Height: 0-15mm

Fins per Inch: 5-12

Fin Thickness: 0.4mm and above

Wall Thickness: 0.7mm and above

Performance Advantages
  • 99%-100% fully welded construction for maximum thermal conductivity
  • Exceptional corrosion resistance in harsh environments
  • Enhanced structural integrity from precision welding
  • Flexible configurations: straight, bent, or coiled heat exchangers
  • Minimal thermal resistance between fins and tube
  • Superior resistance to shock, vibration, and thermal cycling
  • Cost and energy efficient with extended service life and high heat exchange rates
Industrial Applications

These finned tubes are extensively used in heating systems (gas-fired boilers, condensing boilers, flue gas condensers), mechanical and automotive engineering (oil coolers, mine coolers, air coolers for diesel engines), chemical processing (gas coolers and heaters, process coolers), power generation facilities (air coolers, cooling towers), and nuclear engineering applications (uranium enrichment plants).

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hangzhou Fin Tube Co., Ltd.
Location Yongchang Industrial Park, Yongchang, Fuyang District, Hangzhou, Zhejiang, China
Contact Person Miao

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