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  • Omega Pipes

    1. Standard

       Technical Specification: XTG-JS-C-0707-2017

    2.  Chemical Composition

    20G Chemical Composition,%

    Elements
    C
    Mn
    P
    S
    Si
    Min
    0.17
    0.35
     
     
    0.17
    Max
    0.23
    0.65
    0.025
    0.012
    0.37
    Actual value
    0.18
    0.58
    0.016
    0.005
    0.33
     

    3. Mechanical Properties

    20G  Mechanical Properties

    Mechanical Properties
    Tensile Strength
    MPa
    Yield Strength
    MPa
    Hardness
    HBW
    Elongation(longitudinal) %
    Min(Requirements)
    410
    245
     
    24
    Max(Requirements)
    550
     
     
     
    Actual value
    485
    347
     
    28
     

    4. Typical Size

    Size
    Size and Tolerance(mm)
    a
    b
    c
    d
    e
    f
    H
    h1
    h2
    Φ53*7.5
    10.5
    (-1.5,0)
    7.5±0.8
    7.5±0.8
    8.8(-0.4,+1.0_
    8±0.8
    8±0.8
    66
    (-1.4,0)
    58
    (-1.4,0)
    53(-0.7,+0.3)

    5. Typical Application Environment

    It is mainly used for heat exchange tube of nuclear power plant and heat exchange tube of power station boiler.

     


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