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ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant

    Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers
     
    Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers
    • Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers
    • Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers
    • Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers
    • Buy cheap ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant from wholesalers

    ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant

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    Brand Name : YuHong HFW Finned Tubes
    Model Number : ASTM A312 TP321H
    Certification : ABS, BV, DNV, CCS, LR
    Price : Negotiable
    Payment Terms : TT, LC
    Supply Ability : 1000 tons/month
    Delivery Time : 30-50 days
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    ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant

    ASTM A312 TP321H High Frequency Welded Finned Tubes CS Fins for Power Plant


    ASTM A312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stain less steel pipe intended for high-temperature and general corrosive service,such as power plants, boilers, superheaters, and heat exchangers.Wall thickness generally for pipes is average.


    TP321H is a high-carbon variant of 321 for improved high-temperature strength. Austenitic stainless steel with Titanium can prevent carbide precipitation (sensitization) during welding or high-temperature service.


    TP321H with a excellent creep resistance and oxidation resistance at elevated temperatures,and suitable for boiler tubes, superheaters, and reheaters in coal-fired, gas-fired, and nuclear power plants. And the material has good resistance to sulfidation, steam oxidation, and acidic environments,can resistant to intergranular corrosion due to titanium stabilization.


    Testing & Certification
    • Hydrostatic testing
    • Non-destructive testing (NDT) – Ultrasonic, Eddy Current
    • Chemical & Mechanical Property Certification (MTC)



    Chemical Composition (%) max S32109

    GradeCMnPSSiCrNi
    TP321H0.04-0.102.000.0450.031.0017.0-19.09.0-12.0

    Mechanical Properties S32109

    GradeHeat Treating TemperatureTensile Strength,minYield Strength (0.2%Offset,min)
    TP321HCold: 2000°F[1100°C]Hot:1925°F[1050°C]75ksi (515 MPa)30ksi (205 MPa)



    Design Advantages ASTM A312 TP321H Solid Fin Tubes With CS Fins

    Enhanced Heat Transfer EfficiencyHigh thermal conductivity of carbon steel fins improves heat exchange.TP321H base tube ensures corrosion resistance in high-temperature steam/water environments.Extended surface area (due to fins) increases heat transfer rates in boilers, superheaters, and economizers.
    High-Temperature & Creep ResistanceTitanium stabilization prevents sensitization (carbide precipitation) during prolonged high-temperature exposure.TP321H (high-carbon 321) offers superior creep resistance at a high temperatures.
    Corrosion & Oxidation ResistanceCS fins (externally) can be coated/aluminized if exposed to harsh environments.TP321H inner tube resists steam oxidation and sulfidation&acid flue gas corrosion.
    Cost OptimizationCarbon steel fins are cheaper than stainless steel, reducing overall cost while maintaining performance.

    Applications in Power Plant


    High-pressure steam sections:Boiler tubes
    Exposed to extreme heat:Superheaters & reheaters
    Improving thermal efficiency:Air preheaters & economizers

    Corrosion-resistant inside, cost-effective outside:Flue gas heat recovery systems


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