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ASTM A376 TP347H Solid Fin Tubes for Economizers

    Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers
     
    Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers
    • Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers
    • Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers
    • Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers
    • Buy cheap ASTM A376 TP347H Solid Fin Tubes for Economizers from wholesalers

    ASTM A376 TP347H Solid Fin Tubes for Economizers

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    Delivery Time : 50-120 days
    Payment Terms : T/T,L/C
    Model Number : N/A
    Price : To be discussed
    Certification : ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834
    Supply Ability : 5000 meters/day
    Brand Name : YUHONG
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    ASTM A376 TP347H Solid Fin Tubes for Economizers

    ASTM A376 TP347H Solid Fin Tubes for Economizers
    Product Overview

    ASTM A376 TP347H Solid Fin Tubes for Economizers are engineered for high-temperature heat recovery systems where long-term thermal stability, reliable pressure performance, and efficient heat transfer are essential. The combination of a TP347H stainless steel base tube and carbon steel (CS) solid fins provides an economical solution for economizer service in boilers, waste heat recovery units, and industrial heat exchangers.

    The TP347H base tube offers excellent high-temperature strength and oxidation resistance, while the carbon steel fins significantly increase the external heat transfer area, improving thermal efficiency without unnecessarily increasing material costs. This material combination is particularly suitable for clean or mildly corrosive flue gas environments where high mechanical reliability and cost-effective operation are priorities.


    Product Features
    • High-temperature TP347H stainless steel base tube for excellent creep strength.
    • Carbon steel solid fins for efficient heat transfer and economical production.
    • Superior resistance to oxidation and intergranular corrosion at elevated temperatures.
    • Strong metallurgical or mechanical bond between tube and fin for long service life.
    • Suitable for continuous operation under demanding thermal cycling conditions.
    • Customizable dimensions, fin geometry, and tube lengths according to project specifications.

    Common Applications

    ASTM A376 TP347H Solid Fin Tubes are widely used in:

    • Boiler economizers
    • Waste heat recovery boilers (WHRB)
    • Heat recovery steam generators (HRSG)
    • Industrial waste heat recovery systems
    • Petrochemical process heaters
    • Power plant heat exchangers
    • Furnace convection sections
    • Thermal oil heaters
    • Industrial air preheaters

    Material Specification
    ComponentMaterial
    Base TubeASTM A376 TP347H Stainless Steel
    Fin MaterialCarbon Steel (CS)
    Fin TypeSolid Helical Fin
    Manufacturing MethodWelded or Integrally Attached Solid Fin (project dependent)

    Typical Size Range
    ItemStandard Range
    Tube Outside Diameter19.05 mm – 63.5 mm (3/4" – 2-1/2")
    Tube Wall Thickness2.0 mm – 8.0 mm
    Tube LengthUp to 18,000 mm
    Fin Height8 mm – 25 mm
    Fin Thickness1.0 mm – 3.0 mm
    Fin Pitch3 mm – 12 mm
    Bare Tube EndAs required
    Custom SizesAvailable upon request

    Chemical Composition of ASTM A376 TP347H (Typical ASTM Requirements)
    ElementContent (%)
    Carbon (C)0.04–0.10
    Manganese (Mn)≤2.00
    Silicon (Si)≤0.75
    Phosphorus (P)≤0.045
    Sulfur (S)≤0.030
    Chromium (Cr)17.0–19.0
    Nickel (Ni)9.0–13.0
    Columbium + Tantalum (Nb + Ta)≥10 × C to ≤1.10

    Chemical composition conforms to ASTM A376 requirements for TP347H.


    Mechanical Properties of ASTM A376 TP347H
    PropertyValue
    Tensile Strength≥515 MPa
    Yield Strength (0.2% Offset)≥205 MPa
    Elongation≥35%
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