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ASME SA209 Embedded Finned Tubes for Boiler Economizers

ASME SA209 Embedded Finned Tubes for Boiler Economizers

Nazwa marki: YUHONG
Numer modelu: Nie dotyczy
MOQ: 500kg
Ceny: To be discussed
Szczegóły opakowania: DREWNIANA OBUDOWA Z ŻELAZNĄ RAMĄ
Warunki płatności: T/T, akredytywa
Szczegółowe informacje
Miejsce pochodzenia:
Chiny
Orzecznictwo:
ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834
Produkt:
Wbudowana rurka G Fin
Tworzywo:
ASME SA209 AL1060
Aplikacja:
Ekonomizery kotłowe, Odzysk ciepła odpadowego, Kotły użytkowe, Przemysłowe kotły parowe, Systemy HRS
Pakiet:
DREWNIANA OBUDOWA Z ŻELAZNĄ RAMĄ
Możliwość Supply:
5000 metrów/dzień
Podkreślić:

ASME SA209 finned tubes

,

Embedded G fin tubes for boilers

,

Boiler economizer finned tubes

Opis produktu
ASME SA209 Embedded Finned Tubes for Boiler Economizers
Product Overview

ASME SA209 Embedded Finned Tubes are engineered for boiler economizers where efficient heat recovery and long-term operational reliability are required. These finned tubes combine ASME SA209 alloy steel base tubes with high-purity AL1060 aluminum fins, which are mechanically embedded into precision-machined helical grooves on the tube surface. The embedding process creates a secure mechanical bond that maintains excellent heat transfer performance while reducing fin loosening during thermal cycling.

Compared with plain tubes, embedded finned tubes provide a significantly larger external heat transfer area, allowing economizers to recover more waste heat from flue gases, improve boiler efficiency, and reduce overall fuel consumption. The aluminum fin material offers excellent thermal conductivity and low weight, making it suitable for medium-temperature gas-side heat exchange applications.

Manufactured under strict quality control procedures, these finned tubes are suitable for new boiler installations, retrofit projects, and various industrial heat recovery systems.

Features
  • ASME SA209 alloy steel base tube with excellent high-temperature strength.
  • AL1060 aluminum fins provide outstanding thermal conductivity.
  • Embedded fin construction offers strong mechanical retention.
  • Increased heat transfer surface for improved thermal efficiency.
  • Reduced pressure loss through optimized fin geometry.
  • Excellent resistance to thermal cycling.
  • Suitable for continuous industrial operation.
  • Available in customized dimensions and fin configurations.
  • Compatible with ASME boiler and pressure vessel applications.
Common Applications

Embedded finned tubes are widely used in:

  • Boiler economizers
  • Waste heat recovery units
  • Utility boilers
  • Industrial steam boilers
  • HRSG (Heat Recovery Steam Generator) systems
  • Biomass boilers
  • Power generation plants
  • Chemical processing plants
  • Petrochemical facilities
  • Oil & gas heat recovery equipment
Dimensional Range
Item Standard Range
Base Tube Material ASME SA209
Fin Material AL1060 Aluminum
Tube Outside Diameter 25.4–63.5 mm
Tube Wall Thickness 2.5–8.0 mm
Tube Length Up to 18,000 mm
Fin Height 8–16 mm
Fin Thickness 0.35–0.60 mm
Fin Pitch 2.5–6.0 mm
Overall Finned Tube Diameter 45–95 mm
Manufacturing Method Embedded Helical Fin
Custom dimensions are available upon request.
Manufacturing Process

The external surface of the ASME SA209 tube is machined with continuous helical grooves. AL1060 aluminum strip is then inserted into the grooves under controlled pressure. The groove edges are mechanically closed over the fin base, creating a firm mechanical bond between the tube and fin without welding. This manufacturing process improves fin retention and ensures consistent thermal performance throughout the service life.

Inspection and Quality Control

Each embedded finned tube undergoes comprehensive inspection before shipment, including:

  • Raw material verification
  • Chemical composition analysis
  • Mechanical property testing
  • Tube dimensional inspection
  • Fin geometry inspection
  • Fin tightness verification
  • Hydrostatic testing (when specified)
  • Eddy current or ultrasonic testing
  • Visual surface inspection
  • Packing and identification verification

Inspection can be performed according to customer specifications or third-party requirements.

Chemical Composition of ASME SA209 Base Tube (%)
Element Grade T1
Carbon (C) 0.10–0.20
Manganese (Mn) 0.30–0.80
Phosphorus (P) ≤0.025
Sulfur (S) ≤0.025
Silicon (Si) 0.10–0.50
Molybdenum (Mo) 0.44–0.65
Mechanical Properties of ASME SA209 Base Tube
Property Typical Value
Tensile Strength ≥380 MPa
Yield Strength ≥205 MPa
Elongation ≥30%
Oceny i recenzje

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Wszystkie recenzje

Juan
Argentina Feb 18.2026
The finning is tight — you can tell they used a proper cold-forming process because the fins don't move at all when you try to wiggle them. We've had issues before with other suppliers where the fins would come loose after a few thermal cycles, but these ones feel solid.