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        S22053

        1. Standard

        National Standard:GB/T 21833

        2. Chemical Composition

        Elementss C Mn P S Si Cr Mo Ni N Cu
        Min           22.0 3.0 4.5 0.14  
        Max 0.030 2.0 0.030 0.020 1.00 23.0 3.5 6.5 0.20  
        Actual value 0.025 1.30 0.023 0.0001 0.41 22.8 3.1 5.0 0.19 0.20
         

        3. Mechanical Properties

        Mechanical Properties Tensile Strength
        MPa
        Yield Strength
        MPa
        Elongation
        %
        Hardness
        HBW/HRC
        Min 655 485 25  
        Max       290/30
        Actual value 788 620 38 22.5

        4.  Typical Size

        Size Outside Diameter
        mm
        Permissible Variations
        in Outside Diameter
        mm
        Wall Thickness
        mm
        Average Wall Permissible Variations
        in Wall Thickness
        89×6 89 ±0.75 6 ±7.5%S
         
        Note:Standard requirements control range:OD:±0.75mm,WT:±7.5%S

        5. Typical Application Environment

             The duplex stainless steel seamless tube is mainly used in pressure vessel, pressure tanks, high pressure pipe, heat exchanger (chemical processing industry), oil and gas pipelines, heat exchanger pipes, sewage treatment system, pulp and paper industry classifier, bleaching equipment, storage processing system, high strength and corrosion resistance of rotating shaft, squeezing roller, blades, impeller, ship or cargo tank trucks, food processing equipment, the water environmental equipment, etc.
         

        Copyright ? Xinxing Pipes All rights reserved    ICP prepared 16003241 number

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