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  5. Super Duplex Steel S32760
  • Super Duplex Steel S32760
  • Super Duplex Steel S32760
  • Super Duplex Steel S32760
Super Duplex Steel S32760 Super Duplex Steel S32760 Super Duplex Steel S32760

Super Duplex Steel S32760

  • Product Item:HY015
  • Manufacturing: Cold Rolled/Cold Drawn
  • Type: Seamless/Welded
  • Surface: Annealed and Passivated
  • Application Fields: Sea Water Treatment, Shipbuilding
  • F55  , Super Duplex Steel  , S32760  , Heat Exchanger Tube  , Condenser Tubing
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    Description

    Super Duplex Steel 32760 / UNS S32760 / Alloy 1.4510 / F55


    Alloy 32760 is a super duplex stainless steel supplied in the solution annealed condition. Super duplex 32760 combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >40, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50°C.


    Super duplex 32760 features

    Superior Corrosion Resistance

    With a Pitting Resistance Equivalent number (PREN) of >40, duplex 32760 provides unparalleled resistance to pitting and crevice corrosion in chloride-containing environments.

    Critical Pitting Temperature exceeds 50°C, making it ideal for applications involving seawater and other corrosive media.

    High Mechanical Strength

    Super duplex 32760 offers higher strength compared to both austenitic and 22% Cr duplex stainless steels, making it suitable for high-pressure and high-stress applications.

    Excellent Impact Strength

    This alloy exhibits outstanding ductility and impact strength at both ambient and sub-zero temperatures, ensuring reliability even in harsh conditions.

    Resistance to Stress Corrosion Cracking

    UNS 32760 demonstrates exceptional resistance to chloride-induced stress corrosion cracking, a common issue with traditional stainless steels.

    Weldability and Machinability

    Suitable for various welding methods, including shielded metal arc welding, TIG welding, and plasma welding. Preheating and post-heating are not required, simplifying the fabrication process.


    S32760 Chemical Composition

    %

    C

    Mn

    P

    S

    Si

    Ni

    Cr

    Mo

    N

    Cu

    Min

    6.0

    24.0

    3.0

    0.2

    0.5Max

    0.05

    1.00

    0.030

    0.01

    1.00

    8.0

    26.0

    4.0

    0.3

    1.0


    S32760 Mechanica Properties

    Grade

    Tensile Strength, min, (MPa)

    Yield Strength, min, (MPa)

    Elongation in 2 in. or 50mm, min, %

    Hardness, max HBW

    S32760

    750

    550

    25

    300


    Main Standards:

    ASTM A789 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

    ASTM A790 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

    ASTM A928 Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal



    PREN=Cr% + 3.3*Mo% + 16*N%



    Super duplex 32760 applications

    Chemical and Petrochemical Processing Industry: Ideal for components exposed to aggressive chemicals.

    Oil and Gas Exploration and Processing: Suitable for pumps, valves, pipes, vessels, wellhead equipment, and subsea equipment.

    Sea Water Desalination: Perfect for desalination plants, seawater systems, and heat exchangers.

    Pharmaceutical and Fertilizer Production: Used in equipment handling organic acids, fertilizers, and other corrosive substances.

    Pollution Control Systems: Components in flue gas desulphurisation (FGD) plants, incinerators, and wet scrubbers.

    Marine Industry: Components such as propellers, shafts, rudders, shaft seals, pumps, bolts, and fasteners.


    Company Services

    At HENGYANG PIPING, we go beyond just providing high-quality products; we offer a comprehensive service package designed to meet your specific needs:

    Regular Sizes in Stock: We maintain a wide range of standard sizes to ensure quick delivery.

    Custom Solutions: We offer welding to flanges, threading services, and custom fabrication to meet your unique requirements.

    Quick Delivery: Our efficient supply chain ensures prompt delivery of your orders.

    Quality Assurance: Our products meet NACE MR 0175 and NORSOK M-650 standards, ensuring reliability and performance.

    Material Traceability: We guarantee the quality and traceability of our materials, providing third-party inspection upon request.

    Project Support: We assist through various project stages, including quality control of materials, mill monitoring, and documentation arrangement.



    Hengyang Piping Equipment is the top supplier of Duplex Steel, Super Duplex Steel and Exotic Steel Piping products in China. We not only offer quality products with reasonable pricing, but also can assist through the various project stages. It includes quality control of materials, monitoring and guiding of mills, arrangement of documentation.


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