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  • S32760

    1. Standard

    ASTM Standard:ASTM A 789M

    2. Chemical Composition

    Elements
    C
    Mn
    P
    S
    Si
    Cr
    Mo
    Ni
    N
    Cu
    W
    PRE
    Min
     
     
     
     
     
    24.0
    3.0
    6.0
    0.20
    0.50
    0.50
    40
    Max
    0.030
    1.0
    0.030
    0.010
    1.00
    26.0
    4.0
    8.0
    0.30
    1.00
    1.00
     
    Actual value
    0.013
    0.78
    0.023
    0.0005
    0.4
    25.36
    3.4
    7.13
    0.28
    0.59
    0.65
    42.13
     

     3.Mechanical Properties

    Mechanical Properties
    Tensile Strength
    MPa
    Yield Strength
    MPa
    Elongation
    %
    Hardness
    HBW/HRC
    IMPact
    J
    (0℃,55*10*10)
    Min
    750
    550
    25
     
     
    Max
     
     
     
    310/32
     
    Actual value
    796
    614
    37
    26.7
    166

    4. Typical Size

    Size
    Outside Diameter
    mm
    Permissible Variations
    in Outside Diameter
    mm
    Wall Thickness
    mm
    Average Wall Permissible Variations
    in Wall Thickness
    95*22.25
    95
    ±0.38
    22.25
    ±10%S
     
    Note:Standard requirements control range:OD:±0.38mm,WT:±10%S

    5. Note:Standard requirements control range:OD:

         Applications: it is mainly used for petroleum and natural gas industrial equipment, offshore platform, heat exchanger, underwater equipment, fire fighting equipment, chemical processing industry, vessel and pipeline industry, high-pressure and submarine pipelines, mechanical components (high strength and corrosion resistant components).

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