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ASTM A179 Embedded Fin Tubes for Air Coolers

Categories Fin Tube
MOQ: 500kgs
Delivery Time: 50-120 days
Model Number: N/A
Material: ASTM A179 A179
Payment Terms: L/C,T/T
Price: To be discussed
Supply Ability: 5000 meters/day
Brand Name: YUHONG
Producct: Embedded Finned Tubes
Certification: ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834
Application: Air Coolers
Place of Origin: China
Package: Iron frame wooden case
Packaging Details: Iron frame wooden case
Company Info.
Yuhong Group Co.,Ltd
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ASTM A179 Embedded Fin Tubes for Air Coolers

ASTM A179 Embedded Fin Tubes
High-Efficiency ASTM A179 Embedded (G-Type) Fin Tubes for Industrial Heat Exchangers

ASTM A179 Embedded Fin Tubes, also known as G-Type Fin Tubes, are manufactured by machining a precise helical groove into the outer surface of an ASTM A179 seamless carbon steel tube. A continuous fin strip is mechanically inserted into the groove, and the surrounding tube material is rolled over the fin base to create a secure mechanical bond. This manufacturing process ensures excellent fin retention, efficient heat transfer, and long-term operational reliability.

ASTM A179 is a low-carbon seamless cold-drawn steel tube specifically developed for heat exchangers, condensers, and similar heat transfer equipment. Its excellent thermal conductivity, good formability, and reliable mechanical properties make it an ideal base tube material for embedded fin tube production.

Embedded fin tubes significantly increase the external heat transfer surface area while maintaining excellent resistance to vibration, thermal cycling, and continuous industrial operation. They are widely used in power generation, petrochemical processing, HVAC systems, and industrial heat recovery applications.

Product Features
  • Manufactured from ASTM A179 seamless cold-drawn carbon steel tubes
  • Precision machined G-Type (Embedded) fin construction
  • Excellent thermal conductivity for efficient heat exchange
  • Strong mechanical bonding between fin and tube
  • High resistance to fin loosening during thermal cycling
  • Suitable for medium-temperature industrial service
  • Improved equipment efficiency with increased surface area
  • Compatible with various fin materials
  • Long service life and reduced maintenance
  • Custom fin dimensions available upon request
Typical Applications

ASTM A179 Embedded Fin Tubes are widely used in:

  • Shell and Tube Heat Exchangers
  • Air Cooled Heat Exchangers
  • Steam Condensers
  • Waste Heat Recovery Systems
  • HVAC Heat Exchange Equipment
  • Petrochemical Plants
  • Oil Refineries
  • Chemical Processing Facilities
  • Power Generation Plants
  • Process Cooling Systems
  • Industrial Dry Cooling Units
Product Specifications
ItemSpecification
Base Tube StandardASTM A179
Tube TypeSeamless Cold-Drawn Low Carbon Steel
Fin TypeEmbedded (G-Type)
Fin MaterialAluminum, Copper, Carbon Steel, Stainless Steel
Manufacturing MethodMechanical Groove Embedding
Tube Outside Diameter19.05–63.5 mm (3/4"–2-1/2")
Tube Wall Thickness1.65–5.0 mm
Tube LengthUp to 18,000 mm
Fin Height8–16 mm
Fin Thickness0.30–0.60 mm
Fin Pitch2.0–6.0 mm
Maximum Recommended Service TemperatureUp to approximately 400°C (depending on fin material and operating conditions)

Custom sizes, fin configurations, and materials are available to meet specific project requirements.

Chemical Composition of ASTM A179
ElementComposition (%)
Carbon (C)≤0.06
Manganese (Mn)0.27–0.63
Phosphorus (P)≤0.035
Sulfur (S)≤0.035

The low carbon content provides excellent weldability, ductility, and thermal conductivity for heat transfer applications.

Mechanical Properties
PropertyValue
Tensile Strength≥325 MPa
Yield Strength≥180 MPa
Elongation≥35%
Hardness≤72 HRB (approximately ≤137 HB)

These properties enable ASTM A179 embedded fin tubes to deliver dependable performance in low- to medium-pressure heat exchange systems.

Inspection and Testing

Each ASTM A179 Embedded Fin Tube can be inspected according to ASTM, ASME, and customer-specific quality requirements.

Typical inspection procedures include:

  • Raw material certification review
  • Chemical composition analysis
  • Mechanical property testing
  • Tube dimensional inspection
  • Fin height and fin pitch measurement
  • Groove depth verification
  • Fin bonding integrity inspection
  • Hydrostatic pressure testing
  • Eddy current testing
  • Ultrasonic testing (UT)
  • Air leak testing (upon request)
  • Positive Material Identification (PMI) (optional)
  • Visual surface inspection
  • Straightness measurement
  • Final packing and quality verification

Third-party inspections by SGS, TÜV, BV, DNV, Intertek, or customer-designated inspection agencies are available upon request.

Advantages of ASTM A179 Embedded Fin Tubes

Embedded fin technology provides an excellent balance between thermal efficiency and mechanical durability. The fin strip is securely locked into the machined groove, minimizing the possibility of fin separation even during prolonged thermal expansion and contraction.

Compared with plain tubes, ASTM A179 Embedded Fin Tubes provide significantly greater external heat transfer area, allowing equipment designers to reduce exchanger size while increasing thermal performance. Their excellent thermal conductivity, combined with reliable mechanical strength, makes them a cost-effective solution for a wide variety of industrial heat transfer applications.

Why Choose Our ASTM A179 Embedded Fin Tubes?
  • Premium ASTM A179 seamless carbon steel base tubes
  • Precision CNC finning technology for consistent quality
  • Strict manufacturing in accordance with ASTM and ASME standards
  • Excellent fin-to-tube bonding strength
  • Comprehensive inspection and full material traceability
  • Custom fin geometry and tube dimensions available
  • OEM and project manufacturing capabilities
  • Export-grade packaging for international shipment
  • Fast production schedules and dependable technical support

Our ASTM A179 Embedded Fin Tubes are designed to maximize heat transfer efficiency while maintaining long-term mechanical integrity. With precision manufacturing, stringent quality control, and customizable configurations, they are an ideal choice for heat exchangers, economizers, condensers, and other industrial thermal systems requiring reliable and efficient performance.

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