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Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier

    Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers
     
    Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers
    • Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers
    • Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers
    • Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers
    • Buy cheap Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier from wholesalers

    Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier

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    Brand Name : YUHONG
    Model Number : ASTM B111 C44300
    Certification : ABS, GL, DNV, NK, PED, AD2000, ISO 9001
    Price : Negotiable
    Payment Terms : L/C,T/T
    Supply Ability : Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
    Delivery Time : Depends on quantity
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    Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier


    ASTM B111 C44300 U-Bend Tubes: High-Performance Admiralty Brass for Critical Heat Transfer



    Product Overview of C44300 U-Bend Tubes


    C44300 U-Bend Tubes are engineered from arsenical admiralty brass (UNS C44300), offering exceptional seawater corrosion resistance and biofouling mitigation. These cold-formed U-bend tubes meet ASTM B111 specifications for seamless condenser and heat exchanger systems, providing reliable thermal conductivity (≥80 W/m·K) in high-salinity, high-temperature environments up to 150°C. Ideal for power plants, desalination units, and marine applications.



    Chemical Composition of C44300 U-Bend Tubes


    ElementCuZnSnAsPb (max)Fe (max)Impurities (max)
    % Range70.0–73.0Rem.0.9–1.20.02–0.060.070.060.15



    Global Equivalent Grades


    StandardEquivalent GradeKey Similarities
    ENCW706RMatching Cu/Zn/Sn ratios, seawater approval
    JISC4430BIdentical As content, condenser applications
    DINCuZn28Sn1AsCorrosion performance parity
    GBHSn70-1AComparable mechanical properties




    Mechanical Properties of C44300 U-Bend Tubes


    PropertyValueTest Method
    Tensile Strength≥325 MPa (47 ksi)ASTM E8/E8M
    Yield Strength (0.5% ext.)≥105 MPa (15 ksi)ASTM E8/E8M
    Elongation (50mm)≥40%ASTM E8/E8M
    Hardness (Rockwell B)45–65 HRBASTM E18
    U-Bend Specific:

    Bend Radius Tolerance±1.5 × ODASTM B111 Fig. 3
    Ovality Post-Bending≤8% of ODASTM B111



    Precision Tolerances for U-Bend Tubes


    ParameterTolerance (±)Notes
    Outer Diameter (OD)0.10 mm (≤25mm OD)Measured at straight sections

    0.15% (>25mm OD)
    Wall Thickness+20% / -10%Min. wall at bend apex maintained
    U-Bend Leg Length±3.0 mmLaser-verified pre-assembly
    Bend Angle±1.5°Per tube bundle fitment specs
    Straightness1.5 mm/mEnsures no flow obstruction



    Marine & Industrial Applications


    Primary Use Cases:


    • Power Generation: Condenser tubes in nuclear/coal-fired plants (resists ammonia attack)


    • Desalination: Multi-stage flash (MSF) evaporator U-bends


    • Marine Systems: Shipboard heat exchangers, oil coolers


    • Chemical Processing: Sulfuric acid coolers, refinery overhead condensers
    Quality Seawater Resistant ASTM B111 C44300 U-Bend Tubes Heat Exchanger Supplier for sale
    Company Info.
    Yuhong Group Co.,Ltd
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